diff --git a/ktor-server/ktor-server-plugins/ktor-server-htmx/api/ktor-server-htmx.api b/ktor-server/ktor-server-plugins/ktor-server-htmx/api/ktor-server-htmx.api
new file mode 100644
index 00000000000..37d5431fcae
--- /dev/null
+++ b/ktor-server/ktor-server-plugins/ktor-server-htmx/api/ktor-server-htmx.api
@@ -0,0 +1,75 @@
+public final class io/ktor/server/htmx/HXRequestHeaders {
+	public static final synthetic fun box-impl (Lio/ktor/http/Headers;)Lio/ktor/server/htmx/HXRequestHeaders;
+	public static fun constructor-impl (Lio/ktor/http/Headers;)Lio/ktor/http/Headers;
+	public fun equals (Ljava/lang/Object;)Z
+	public static fun equals-impl (Lio/ktor/http/Headers;Ljava/lang/Object;)Z
+	public static final fun equals-impl0 (Lio/ktor/http/Headers;Lio/ktor/http/Headers;)Z
+	public static final fun getCurrentUrl-impl (Lio/ktor/http/Headers;)Lio/ktor/http/Url;
+	public static final fun getPrompt-impl (Lio/ktor/http/Headers;)Ljava/lang/String;
+	public static final fun getTargetId-impl (Lio/ktor/http/Headers;)Ljava/lang/String;
+	public static final fun getTriggerId-impl (Lio/ktor/http/Headers;)Ljava/lang/String;
+	public static final fun getTriggerName-impl (Lio/ktor/http/Headers;)Ljava/lang/String;
+	public fun hashCode ()I
+	public static fun hashCode-impl (Lio/ktor/http/Headers;)I
+	public static final fun isBoosted-impl (Lio/ktor/http/Headers;)Z
+	public static final fun isHistoryRestore-impl (Lio/ktor/http/Headers;)Z
+	public fun toString ()Ljava/lang/String;
+	public static fun toString-impl (Lio/ktor/http/Headers;)Ljava/lang/String;
+	public final synthetic fun unbox-impl ()Lio/ktor/http/Headers;
+}
+
+public final class io/ktor/server/htmx/HXResponseHeaders : io/ktor/util/collections/StringMap {
+	public fun <init> (Lio/ktor/server/response/ResponseHeaders;)V
+	public fun get (Ljava/lang/String;)Ljava/lang/String;
+	public final fun getLocation ()Ljava/lang/String;
+	public final fun getPushUrl ()Ljava/lang/String;
+	public final fun getRedirect ()Ljava/lang/String;
+	public final fun getRefresh ()Ljava/lang/Boolean;
+	public final fun getReplaceUrl ()Ljava/lang/String;
+	public fun remove (Ljava/lang/String;)Ljava/lang/String;
+	public fun set (Ljava/lang/String;Ljava/lang/String;)V
+	public final fun setLocation (Ljava/lang/String;)V
+	public final fun setPushUrl (Ljava/lang/String;)V
+	public final fun setRedirect (Ljava/lang/String;)V
+	public final fun setRefresh (Ljava/lang/Boolean;)V
+}
+
+public final class io/ktor/server/htmx/HxHeadersKt {
+	public static final fun getHx (Lio/ktor/server/routing/RoutingRequest;)Lio/ktor/http/Headers;
+	public static final fun getHx (Lio/ktor/server/routing/RoutingResponse;)Lio/ktor/server/htmx/HXResponseHeaders;
+	public static final fun isHtmx (Lio/ktor/server/routing/RoutingRequest;)Z
+}
+
+public final class io/ktor/server/htmx/HxRoute : io/ktor/server/routing/Route {
+	public static final synthetic fun box-impl (Lio/ktor/server/routing/Route;)Lio/ktor/server/htmx/HxRoute;
+	public fun createChild (Lio/ktor/server/routing/RouteSelector;)Lio/ktor/server/routing/Route;
+	public static fun createChild-impl (Lio/ktor/server/routing/Route;Lio/ktor/server/routing/RouteSelector;)Lio/ktor/server/routing/Route;
+	public fun equals (Ljava/lang/Object;)Z
+	public static fun equals-impl (Lio/ktor/server/routing/Route;Ljava/lang/Object;)Z
+	public static final fun equals-impl0 (Lio/ktor/server/routing/Route;Lio/ktor/server/routing/Route;)Z
+	public fun getAttributes ()Lio/ktor/util/Attributes;
+	public static fun getAttributes-impl (Lio/ktor/server/routing/Route;)Lio/ktor/util/Attributes;
+	public fun getEnvironment ()Lio/ktor/server/application/ApplicationEnvironment;
+	public static fun getEnvironment-impl (Lio/ktor/server/routing/Route;)Lio/ktor/server/application/ApplicationEnvironment;
+	public fun getParent ()Lio/ktor/server/routing/Route;
+	public static fun getParent-impl (Lio/ktor/server/routing/Route;)Lio/ktor/server/routing/Route;
+	public fun handle (Lkotlin/jvm/functions/Function2;)V
+	public static fun handle-impl (Lio/ktor/server/routing/Route;Lkotlin/jvm/functions/Function2;)V
+	public fun hashCode ()I
+	public static fun hashCode-impl (Lio/ktor/server/routing/Route;)I
+	public fun install (Lio/ktor/server/application/Plugin;Lkotlin/jvm/functions/Function1;)Ljava/lang/Object;
+	public static fun install-impl (Lio/ktor/server/routing/Route;Lio/ktor/server/application/Plugin;Lkotlin/jvm/functions/Function1;)Ljava/lang/Object;
+	public fun plugin (Lio/ktor/server/application/Plugin;)Ljava/lang/Object;
+	public static fun plugin-impl (Lio/ktor/server/routing/Route;Lio/ktor/server/application/Plugin;)Ljava/lang/Object;
+	public static final fun target-impl (Lio/ktor/server/routing/Route;Ljava/lang/String;Lkotlin/jvm/functions/Function1;)Lio/ktor/server/routing/Route;
+	public fun toString ()Ljava/lang/String;
+	public static fun toString-impl (Lio/ktor/server/routing/Route;)Ljava/lang/String;
+	public static final fun trigger-impl (Lio/ktor/server/routing/Route;Ljava/lang/String;Lkotlin/jvm/functions/Function1;)Lio/ktor/server/routing/Route;
+	public final synthetic fun unbox-impl ()Lio/ktor/server/routing/Route;
+}
+
+public final class io/ktor/server/htmx/HxRoutingKt {
+	public static final fun getHx (Lio/ktor/server/routing/Route;)Lio/ktor/server/routing/Route;
+	public static final fun hx (Lio/ktor/server/routing/Route;Lkotlin/jvm/functions/Function1;)Lio/ktor/server/routing/Route;
+}
+
diff --git a/ktor-server/ktor-server-plugins/ktor-server-htmx/api/ktor-server-htmx.klib.api b/ktor-server/ktor-server-plugins/ktor-server-htmx/api/ktor-server-htmx.klib.api
new file mode 100644
index 00000000000..7d7fcfb7d3e
--- /dev/null
+++ b/ktor-server/ktor-server-plugins/ktor-server-htmx/api/ktor-server-htmx.klib.api
@@ -0,0 +1,84 @@
+// Klib ABI Dump
+// Targets: [iosArm64, iosSimulatorArm64, iosX64, js, linuxArm64, linuxX64, macosArm64, macosX64, mingwX64, tvosArm64, tvosSimulatorArm64, tvosX64, wasmJs, watchosArm32, watchosArm64, watchosDeviceArm64, watchosSimulatorArm64, watchosX64]
+// Rendering settings:
+// - Signature version: 2
+// - Show manifest properties: true
+// - Show declarations: true
+
+// Library unique name: <io.ktor:ktor-server-htmx>
+final class io.ktor.server.htmx/HXResponseHeaders : io.ktor.util.collections/StringMap { // io.ktor.server.htmx/HXResponseHeaders|null[0]
+    constructor <init>(io.ktor.server.response/ResponseHeaders) // io.ktor.server.htmx/HXResponseHeaders.<init>|<init>(io.ktor.server.response.ResponseHeaders){}[0]
+
+    final val replaceUrl // io.ktor.server.htmx/HXResponseHeaders.replaceUrl|{}replaceUrl[0]
+        final fun <get-replaceUrl>(): kotlin/String? // io.ktor.server.htmx/HXResponseHeaders.replaceUrl.<get-replaceUrl>|<get-replaceUrl>(){}[0]
+
+    final var location // io.ktor.server.htmx/HXResponseHeaders.location|{}location[0]
+        final fun <get-location>(): kotlin/String? // io.ktor.server.htmx/HXResponseHeaders.location.<get-location>|<get-location>(){}[0]
+        final fun <set-location>(kotlin/String?) // io.ktor.server.htmx/HXResponseHeaders.location.<set-location>|<set-location>(kotlin.String?){}[0]
+    final var pushUrl // io.ktor.server.htmx/HXResponseHeaders.pushUrl|{}pushUrl[0]
+        final fun <get-pushUrl>(): kotlin/String? // io.ktor.server.htmx/HXResponseHeaders.pushUrl.<get-pushUrl>|<get-pushUrl>(){}[0]
+        final fun <set-pushUrl>(kotlin/String?) // io.ktor.server.htmx/HXResponseHeaders.pushUrl.<set-pushUrl>|<set-pushUrl>(kotlin.String?){}[0]
+    final var redirect // io.ktor.server.htmx/HXResponseHeaders.redirect|{}redirect[0]
+        final fun <get-redirect>(): kotlin/String? // io.ktor.server.htmx/HXResponseHeaders.redirect.<get-redirect>|<get-redirect>(){}[0]
+        final fun <set-redirect>(kotlin/String?) // io.ktor.server.htmx/HXResponseHeaders.redirect.<set-redirect>|<set-redirect>(kotlin.String?){}[0]
+    final var refresh // io.ktor.server.htmx/HXResponseHeaders.refresh|{}refresh[0]
+        final fun <get-refresh>(): kotlin/Boolean? // io.ktor.server.htmx/HXResponseHeaders.refresh.<get-refresh>|<get-refresh>(){}[0]
+        final fun <set-refresh>(kotlin/Boolean?) // io.ktor.server.htmx/HXResponseHeaders.refresh.<set-refresh>|<set-refresh>(kotlin.Boolean?){}[0]
+
+    final fun get(kotlin/String): kotlin/String? // io.ktor.server.htmx/HXResponseHeaders.get|get(kotlin.String){}[0]
+    final fun remove(kotlin/String): kotlin/String? // io.ktor.server.htmx/HXResponseHeaders.remove|remove(kotlin.String){}[0]
+    final fun set(kotlin/String, kotlin/String) // io.ktor.server.htmx/HXResponseHeaders.set|set(kotlin.String;kotlin.String){}[0]
+}
+
+final value class io.ktor.server.htmx/HXRequestHeaders { // io.ktor.server.htmx/HXRequestHeaders|null[0]
+    constructor <init>(io.ktor.http/Headers) // io.ktor.server.htmx/HXRequestHeaders.<init>|<init>(io.ktor.http.Headers){}[0]
+
+    final val currentUrl // io.ktor.server.htmx/HXRequestHeaders.currentUrl|{}currentUrl[0]
+        final fun <get-currentUrl>(): io.ktor.http/Url? // io.ktor.server.htmx/HXRequestHeaders.currentUrl.<get-currentUrl>|<get-currentUrl>(){}[0]
+    final val isBoosted // io.ktor.server.htmx/HXRequestHeaders.isBoosted|{}isBoosted[0]
+        final fun <get-isBoosted>(): kotlin/Boolean // io.ktor.server.htmx/HXRequestHeaders.isBoosted.<get-isBoosted>|<get-isBoosted>(){}[0]
+    final val isHistoryRestore // io.ktor.server.htmx/HXRequestHeaders.isHistoryRestore|{}isHistoryRestore[0]
+        final fun <get-isHistoryRestore>(): kotlin/Boolean // io.ktor.server.htmx/HXRequestHeaders.isHistoryRestore.<get-isHistoryRestore>|<get-isHistoryRestore>(){}[0]
+    final val prompt // io.ktor.server.htmx/HXRequestHeaders.prompt|{}prompt[0]
+        final fun <get-prompt>(): kotlin/String? // io.ktor.server.htmx/HXRequestHeaders.prompt.<get-prompt>|<get-prompt>(){}[0]
+    final val targetId // io.ktor.server.htmx/HXRequestHeaders.targetId|{}targetId[0]
+        final fun <get-targetId>(): kotlin/String? // io.ktor.server.htmx/HXRequestHeaders.targetId.<get-targetId>|<get-targetId>(){}[0]
+    final val triggerId // io.ktor.server.htmx/HXRequestHeaders.triggerId|{}triggerId[0]
+        final fun <get-triggerId>(): kotlin/String? // io.ktor.server.htmx/HXRequestHeaders.triggerId.<get-triggerId>|<get-triggerId>(){}[0]
+    final val triggerName // io.ktor.server.htmx/HXRequestHeaders.triggerName|{}triggerName[0]
+        final fun <get-triggerName>(): kotlin/String? // io.ktor.server.htmx/HXRequestHeaders.triggerName.<get-triggerName>|<get-triggerName>(){}[0]
+
+    final fun equals(kotlin/Any?): kotlin/Boolean // io.ktor.server.htmx/HXRequestHeaders.equals|equals(kotlin.Any?){}[0]
+    final fun hashCode(): kotlin/Int // io.ktor.server.htmx/HXRequestHeaders.hashCode|hashCode(){}[0]
+    final fun toString(): kotlin/String // io.ktor.server.htmx/HXRequestHeaders.toString|toString(){}[0]
+}
+
+final value class io.ktor.server.htmx/HxRoute : io.ktor.server.routing/Route { // io.ktor.server.htmx/HxRoute|null[0]
+    final val attributes // io.ktor.server.htmx/HxRoute.attributes|{}attributes[0]
+        final fun <get-attributes>(): io.ktor.util/Attributes // io.ktor.server.htmx/HxRoute.attributes.<get-attributes>|<get-attributes>(){}[0]
+    final val environment // io.ktor.server.htmx/HxRoute.environment|{}environment[0]
+        final fun <get-environment>(): io.ktor.server.application/ApplicationEnvironment // io.ktor.server.htmx/HxRoute.environment.<get-environment>|<get-environment>(){}[0]
+    final val parent // io.ktor.server.htmx/HxRoute.parent|{}parent[0]
+        final fun <get-parent>(): io.ktor.server.routing/Route? // io.ktor.server.htmx/HxRoute.parent.<get-parent>|<get-parent>(){}[0]
+
+    final fun <#A1: kotlin/Any, #B1: kotlin/Any> install(io.ktor.server.application/Plugin<io.ktor.server.application/ApplicationCallPipeline, #A1, #B1>, kotlin/Function1<#A1, kotlin/Unit>): #B1 // io.ktor.server.htmx/HxRoute.install|install(io.ktor.server.application.Plugin<io.ktor.server.application.ApplicationCallPipeline,0:0,0:1>;kotlin.Function1<0:0,kotlin.Unit>){0§<kotlin.Any>;1§<kotlin.Any>}[0]
+    final fun <#A1: kotlin/Any> plugin(io.ktor.server.application/Plugin<*, *, #A1>): #A1 // io.ktor.server.htmx/HxRoute.plugin|plugin(io.ktor.server.application.Plugin<*,*,0:0>){0§<kotlin.Any>}[0]
+    final fun createChild(io.ktor.server.routing/RouteSelector): io.ktor.server.routing/Route // io.ktor.server.htmx/HxRoute.createChild|createChild(io.ktor.server.routing.RouteSelector){}[0]
+    final fun equals(kotlin/Any?): kotlin/Boolean // io.ktor.server.htmx/HxRoute.equals|equals(kotlin.Any?){}[0]
+    final fun handle(kotlin.coroutines/SuspendFunction1<io.ktor.server.routing/RoutingContext, kotlin/Unit>) // io.ktor.server.htmx/HxRoute.handle|handle(kotlin.coroutines.SuspendFunction1<io.ktor.server.routing.RoutingContext,kotlin.Unit>){}[0]
+    final fun hashCode(): kotlin/Int // io.ktor.server.htmx/HxRoute.hashCode|hashCode(){}[0]
+    final fun target(kotlin/String, kotlin/Function1<io.ktor.server.routing/Route, kotlin/Unit>): io.ktor.server.routing/Route // io.ktor.server.htmx/HxRoute.target|target(kotlin.String;kotlin.Function1<io.ktor.server.routing.Route,kotlin.Unit>){}[0]
+    final fun toString(): kotlin/String // io.ktor.server.htmx/HxRoute.toString|toString(){}[0]
+    final fun trigger(kotlin/String, kotlin/Function1<io.ktor.server.routing/Route, kotlin/Unit>): io.ktor.server.routing/Route // io.ktor.server.htmx/HxRoute.trigger|trigger(kotlin.String;kotlin.Function1<io.ktor.server.routing.Route,kotlin.Unit>){}[0]
+}
+
+final val io.ktor.server.htmx/hx // io.ktor.server.htmx/hx|@io.ktor.server.routing.Route{}hx[0]
+    final fun (io.ktor.server.routing/Route).<get-hx>(): io.ktor.server.htmx/HxRoute // io.ktor.server.htmx/hx.<get-hx>|<get-hx>@io.ktor.server.routing.Route(){}[0]
+final val io.ktor.server.htmx/hx // io.ktor.server.htmx/hx|@io.ktor.server.routing.RoutingRequest{}hx[0]
+    final fun (io.ktor.server.routing/RoutingRequest).<get-hx>(): io.ktor.server.htmx/HXRequestHeaders // io.ktor.server.htmx/hx.<get-hx>|<get-hx>@io.ktor.server.routing.RoutingRequest(){}[0]
+final val io.ktor.server.htmx/hx // io.ktor.server.htmx/hx|@io.ktor.server.routing.RoutingResponse{}hx[0]
+    final fun (io.ktor.server.routing/RoutingResponse).<get-hx>(): io.ktor.server.htmx/HXResponseHeaders // io.ktor.server.htmx/hx.<get-hx>|<get-hx>@io.ktor.server.routing.RoutingResponse(){}[0]
+final val io.ktor.server.htmx/isHtmx // io.ktor.server.htmx/isHtmx|@io.ktor.server.routing.RoutingRequest{}isHtmx[0]
+    final fun (io.ktor.server.routing/RoutingRequest).<get-isHtmx>(): kotlin/Boolean // io.ktor.server.htmx/isHtmx.<get-isHtmx>|<get-isHtmx>@io.ktor.server.routing.RoutingRequest(){}[0]
+
+final fun (io.ktor.server.routing/Route).io.ktor.server.htmx/hx(kotlin/Function1<io.ktor.server.htmx/HxRoute, kotlin/Unit>): io.ktor.server.routing/Route // io.ktor.server.htmx/hx|hx@io.ktor.server.routing.Route(kotlin.Function1<io.ktor.server.htmx.HxRoute,kotlin.Unit>){}[0]
diff --git a/ktor-server/ktor-server-plugins/ktor-server-htmx/build.gradle.kts b/ktor-server/ktor-server-plugins/ktor-server-htmx/build.gradle.kts
new file mode 100644
index 00000000000..eab9b9bb280
--- /dev/null
+++ b/ktor-server/ktor-server-plugins/ktor-server-htmx/build.gradle.kts
@@ -0,0 +1,14 @@
+kotlin.sourceSets {
+    commonMain {
+        dependencies {
+            api(project(":ktor-shared:ktor-htmx"))
+            implementation(project(":ktor-utils"))
+        }
+    }
+    commonTest {
+        dependencies {
+            implementation(project(":ktor-server:ktor-server-plugins:ktor-server-html-builder"))
+            implementation(project(":ktor-shared:ktor-htmx:ktor-htmx-html"))
+        }
+    }
+}
diff --git a/ktor-server/ktor-server-plugins/ktor-server-htmx/common/src/io/ktor/server/htmx/HxHeaders.kt b/ktor-server/ktor-server-plugins/ktor-server-htmx/common/src/io/ktor/server/htmx/HxHeaders.kt
new file mode 100644
index 00000000000..03c1570f444
--- /dev/null
+++ b/ktor-server/ktor-server-plugins/ktor-server-htmx/common/src/io/ktor/server/htmx/HxHeaders.kt
@@ -0,0 +1,63 @@
+package io.ktor.server.htmx
+
+import io.ktor.htmx.*
+import io.ktor.http.*
+import io.ktor.server.response.*
+import io.ktor.server.routing.*
+import io.ktor.util.collections.*
+import io.ktor.utils.io.InternalAPI
+import kotlin.jvm.JvmInline
+
+@ExperimentalHtmxApi
+public val RoutingRequest.hx: HXRequestHeaders get() = HXRequestHeaders(headers)
+
+@ExperimentalHtmxApi
+public val RoutingResponse.hx: HXResponseHeaders get() = HXResponseHeaders(headers)
+
+public val RoutingRequest.isHtmx: Boolean get() = headers[HxRequestHeaders.Request] == "true"
+
+@ExperimentalHtmxApi
+@JvmInline
+public value class HXRequestHeaders(private val headers: Headers) {
+
+    /** Indicates that the request is via an element using hx-boost */
+    public val isBoosted: Boolean get() = headers[HxRequestHeaders.Boosted]?.toBoolean() == true
+
+    /** "true" if the request is for history restoration after a miss in the local history cache */
+    public val isHistoryRestore: Boolean get() = headers[HxRequestHeaders.HistoryRestoreRequest]?.toBoolean() == true
+
+    /** The current URL of the browser */
+    public val currentUrl: Url? get() = headers[HxRequestHeaders.CurrentUrl]?.let { Url(it) }
+
+    /** The user response to an hx-prompt */
+    public val prompt: String? get() = headers[HxRequestHeaders.Prompt]
+
+    /** The id of the target element if it exists */
+    public val targetId: String? get() = headers[HxRequestHeaders.Target]
+
+    /** The id of the triggered element if it exists */
+    public val triggerId: String? get() = headers[HxRequestHeaders.Trigger]
+
+    /** The name of the triggered element if it exists */
+    public val triggerName: String? get() = headers[HxRequestHeaders.TriggerName]
+}
+
+@ExperimentalHtmxApi
+@OptIn(InternalAPI::class)
+public class HXResponseHeaders(private val headers: ResponseHeaders) : StringMap {
+
+    public var location: String? by HxResponseHeaders.Location
+    public var pushUrl: String? by HxResponseHeaders.PushUrl
+    public var redirect: String? by HxResponseHeaders.Redirect
+    public var refresh: Boolean? by HxResponseHeaders.Refresh.asBoolean()
+    public val replaceUrl: String? by HxResponseHeaders.ReplaceUrl
+
+    override fun set(key: String, value: String): Unit =
+        headers.append(key, value)
+
+    override fun get(key: String): String? =
+        headers[key]
+
+    override fun remove(key: String): String? =
+        throw IllegalStateException("Not implemented")
+}
diff --git a/ktor-server/ktor-server-plugins/ktor-server-htmx/common/src/io/ktor/server/htmx/HxRouting.kt b/ktor-server/ktor-server-plugins/ktor-server-htmx/common/src/io/ktor/server/htmx/HxRouting.kt
new file mode 100644
index 00000000000..eda6e8e9404
--- /dev/null
+++ b/ktor-server/ktor-server-plugins/ktor-server-htmx/common/src/io/ktor/server/htmx/HxRouting.kt
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2014-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package io.ktor.server.htmx
+
+import io.ktor.htmx.*
+import io.ktor.server.routing.*
+import io.ktor.utils.io.*
+import kotlin.jvm.JvmInline
+
+/**
+ * Property for scoping routes to HTMX (e.g., `hx.get { ... }`
+ */
+@ExperimentalHtmxApi
+public val Route.hx: HxRoute get() = HxRoute.wrap(this)
+
+/**
+ * Scope child routes to apply when `HX-Request` header is supplied.
+ */
+@ExperimentalHtmxApi
+public fun Route.hx(configuration: HxRoute.() -> Unit): Route = with(HxRoute.wrap(this)) {
+    header(HxRequestHeaders.Request, "true") {
+        configuration()
+    }
+}
+
+/**
+ * Provides custom routes based on common HTMX headers.
+ */
+@ExperimentalHtmxApi
+@KtorDsl
+@JvmInline
+public value class HxRoute internal constructor(private val route: Route) : Route by route {
+    internal companion object {
+        internal fun wrap(route: Route) =
+            HxRoute(route.createChild(HttpHeaderRouteSelector(HxRequestHeaders.Request, "true")))
+    }
+
+    /**
+     * Sub-routes only apply to a specific HX-Target header.
+     */
+    public fun target(expectedTarget: String, body: Route.() -> Unit): Route {
+        return header(HxRequestHeaders.Target, expectedTarget, body)
+    }
+
+    /**
+     * Sub-routes only apply to a specific HX-Trigger header.
+     */
+    public fun trigger(expectedTrigger: String, body: Route.() -> Unit): Route =
+        header(HxRequestHeaders.Trigger, expectedTrigger, body)
+}
diff --git a/ktor-server/ktor-server-plugins/ktor-server-htmx/common/test/io/ktor/server/htmx/HxRoutingTest.kt b/ktor-server/ktor-server-plugins/ktor-server-htmx/common/test/io/ktor/server/htmx/HxRoutingTest.kt
new file mode 100644
index 00000000000..99c0bffe02e
--- /dev/null
+++ b/ktor-server/ktor-server-plugins/ktor-server-htmx/common/test/io/ktor/server/htmx/HxRoutingTest.kt
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2014-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package io.ktor.server.htmx
+
+import io.ktor.client.request.*
+import io.ktor.client.statement.*
+import io.ktor.htmx.*
+import io.ktor.server.html.*
+import io.ktor.server.response.*
+import io.ktor.server.routing.*
+import io.ktor.server.testing.*
+import kotlinx.html.body
+import kotlinx.html.h1
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class HxRoutingTest {
+
+    @OptIn(ExperimentalHtmxApi::class)
+    @Test
+    fun routing() = testApplication {
+        val responseTemplate: (String) -> String = { header ->
+            """
+                <!DOCTYPE html>
+                <html>
+                  <body>
+                    <h1>$header</h1>
+                  </body>
+                </html>
+            """.trimIndent()
+        }
+
+        routing {
+            val respondWith: suspend RoutingContext.(String) -> Unit = { text ->
+                call.respondHtml {
+                    body {
+                        h1 { +text }
+                    }
+                }
+            }
+            route("htmx") {
+                get {
+                    call.respondText { "Not HTMX" }
+                }
+                hx.get {
+                    respondWith("No target or trigger")
+                }
+                hx {
+                    target("#test") {
+                        get {
+                            respondWith("With target")
+                        }
+                    }
+                    trigger("#button") {
+                        get {
+                            respondWith("With trigger")
+                        }
+                    }
+                }
+            }
+        }
+        assertEquals(
+            "Not HTMX",
+            client.get("htmx").bodyAsText().trim()
+        )
+        assertEquals(
+            responseTemplate("No target or trigger"),
+            client.get("htmx") {
+                headers[HxRequestHeaders.Request] = "true"
+            }.bodyAsText().trim()
+        )
+        assertEquals(
+            responseTemplate("With target"),
+            client.get("htmx") {
+                headers[HxRequestHeaders.Request] = "true"
+                headers[HxRequestHeaders.Target] = "#test"
+            }.bodyAsText().trim()
+        )
+        assertEquals(
+            responseTemplate("With trigger"),
+            client.get("htmx") {
+                headers[HxRequestHeaders.Request] = "true"
+                headers[HxRequestHeaders.Trigger] = "#button"
+            }.bodyAsText().trim()
+        )
+    }
+}
diff --git a/ktor-server/ktor-server-plugins/ktor-server-htmx/gradle.properties b/ktor-server/ktor-server-plugins/ktor-server-htmx/gradle.properties
new file mode 100644
index 00000000000..9733d692363
--- /dev/null
+++ b/ktor-server/ktor-server-plugins/ktor-server-htmx/gradle.properties
@@ -0,0 +1,6 @@
+#
+# Copyright 2014-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+#
+
+# Needs support in kotlinx-html: https://github.com/Kotlin/kotlinx.html/pull/288
+target.androidNative=false
diff --git a/ktor-shared/ktor-htmx/api/ktor-htmx.api b/ktor-shared/ktor-htmx/api/ktor-htmx.api
new file mode 100644
index 00000000000..3daa4e06074
--- /dev/null
+++ b/ktor-shared/ktor-htmx/api/ktor-htmx.api
@@ -0,0 +1,137 @@
+public abstract interface annotation class io/ktor/htmx/ExperimentalHtmxApi : java/lang/annotation/Annotation {
+}
+
+public final class io/ktor/htmx/HxAttributeKeys {
+	public static final field Boost Ljava/lang/String;
+	public static final field Confirm Ljava/lang/String;
+	public static final field Delete Ljava/lang/String;
+	public static final field Disable Ljava/lang/String;
+	public static final field DisabledElt Ljava/lang/String;
+	public static final field Disinherit Ljava/lang/String;
+	public static final field Encoding Ljava/lang/String;
+	public static final field Ext Ljava/lang/String;
+	public static final field Get Ljava/lang/String;
+	public static final field Headers Ljava/lang/String;
+	public static final field History Ljava/lang/String;
+	public static final field HistoryElt Ljava/lang/String;
+	public static final field INSTANCE Lio/ktor/htmx/HxAttributeKeys;
+	public static final field Include Ljava/lang/String;
+	public static final field Indicator Ljava/lang/String;
+	public static final field Inherit Ljava/lang/String;
+	public static final field On Ljava/lang/String;
+	public static final field Params Ljava/lang/String;
+	public static final field Patch Ljava/lang/String;
+	public static final field Post Ljava/lang/String;
+	public static final field Preserve Ljava/lang/String;
+	public static final field Prompt Ljava/lang/String;
+	public static final field PushUrl Ljava/lang/String;
+	public static final field Put Ljava/lang/String;
+	public static final field ReplaceUrl Ljava/lang/String;
+	public static final field Request Ljava/lang/String;
+	public static final field Select Ljava/lang/String;
+	public static final field SelectOob Ljava/lang/String;
+	public static final field Swap Ljava/lang/String;
+	public static final field SwapOob Ljava/lang/String;
+	public static final field Sync Ljava/lang/String;
+	public static final field Target Ljava/lang/String;
+	public static final field Trigger Ljava/lang/String;
+	public static final field Validate Ljava/lang/String;
+	public static final field Vals Ljava/lang/String;
+	public static final field Vars Ljava/lang/String;
+}
+
+public final class io/ktor/htmx/HxCss {
+	public static final field Added Ljava/lang/String;
+	public static final field INSTANCE Lio/ktor/htmx/HxCss;
+	public static final field Indicator Ljava/lang/String;
+	public static final field Request Ljava/lang/String;
+	public static final field Settling Ljava/lang/String;
+	public static final field Swapping Ljava/lang/String;
+}
+
+public final class io/ktor/htmx/HxEvents {
+	public static final field Abort Ljava/lang/String;
+	public static final field AfterOnLoad Ljava/lang/String;
+	public static final field AfterProcessNode Ljava/lang/String;
+	public static final field AfterRequest Ljava/lang/String;
+	public static final field AfterSettle Ljava/lang/String;
+	public static final field AfterSwap Ljava/lang/String;
+	public static final field BeforeCleanupElement Ljava/lang/String;
+	public static final field BeforeHistorySave Ljava/lang/String;
+	public static final field BeforeOnLoad Ljava/lang/String;
+	public static final field BeforeProcessNode Ljava/lang/String;
+	public static final field BeforeRequest Ljava/lang/String;
+	public static final field BeforeSend Ljava/lang/String;
+	public static final field BeforeSwap Ljava/lang/String;
+	public static final field ConfigRequest Ljava/lang/String;
+	public static final field Confirm Ljava/lang/String;
+	public static final field HistoryCacheError Ljava/lang/String;
+	public static final field HistoryCacheMiss Ljava/lang/String;
+	public static final field HistoryCacheMissError Ljava/lang/String;
+	public static final field HistoryCacheMissLoad Ljava/lang/String;
+	public static final field HistoryRestore Ljava/lang/String;
+	public static final field INSTANCE Lio/ktor/htmx/HxEvents;
+	public static final field Load Ljava/lang/String;
+	public static final field NoSseSourceError Ljava/lang/String;
+	public static final field OnLoadError Ljava/lang/String;
+	public static final field OobAfterSwap Ljava/lang/String;
+	public static final field OobBeforeSwap Ljava/lang/String;
+	public static final field OobErrorNoTarget Ljava/lang/String;
+	public static final field Prompt Ljava/lang/String;
+	public static final field PushedIntoHistory Ljava/lang/String;
+	public static final field ResponseError Ljava/lang/String;
+	public static final field SendError Ljava/lang/String;
+	public static final field SseError Ljava/lang/String;
+	public static final field SseOpen Ljava/lang/String;
+	public static final field SwapError Ljava/lang/String;
+	public static final field TargetError Ljava/lang/String;
+	public static final field Timeout Ljava/lang/String;
+	public static final field ValidationFailed Ljava/lang/String;
+	public static final field ValidationHalted Ljava/lang/String;
+	public static final field ValidationValidate Ljava/lang/String;
+	public static final field XhrAbort Ljava/lang/String;
+	public static final field XhrLoadend Ljava/lang/String;
+	public static final field XhrLoadstart Ljava/lang/String;
+	public static final field XhrProgress Ljava/lang/String;
+}
+
+public final class io/ktor/htmx/HxRequestHeaders {
+	public static final field Boosted Ljava/lang/String;
+	public static final field CurrentUrl Ljava/lang/String;
+	public static final field HistoryRestoreRequest Ljava/lang/String;
+	public static final field INSTANCE Lio/ktor/htmx/HxRequestHeaders;
+	public static final field Prompt Ljava/lang/String;
+	public static final field Request Ljava/lang/String;
+	public static final field Target Ljava/lang/String;
+	public static final field Trigger Ljava/lang/String;
+	public static final field TriggerName Ljava/lang/String;
+}
+
+public final class io/ktor/htmx/HxResponseHeaders {
+	public static final field INSTANCE Lio/ktor/htmx/HxResponseHeaders;
+	public static final field Location Ljava/lang/String;
+	public static final field PushUrl Ljava/lang/String;
+	public static final field Redirect Ljava/lang/String;
+	public static final field Refresh Ljava/lang/String;
+	public static final field ReplaceUrl Ljava/lang/String;
+	public static final field Reselect Ljava/lang/String;
+	public static final field Reswap Ljava/lang/String;
+	public static final field Retarget Ljava/lang/String;
+	public static final field Trigger Ljava/lang/String;
+	public static final field TriggerAfterSettle Ljava/lang/String;
+	public static final field TriggerAfterSwap Ljava/lang/String;
+}
+
+public final class io/ktor/htmx/HxSwap {
+	public static final field INSTANCE Lio/ktor/htmx/HxSwap;
+	public static final field afterBegin Ljava/lang/String;
+	public static final field afterEnd Ljava/lang/String;
+	public static final field beforeBegin Ljava/lang/String;
+	public static final field beforeEnd Ljava/lang/String;
+	public static final field delete Ljava/lang/String;
+	public static final field innerHtml Ljava/lang/String;
+	public static final field none Ljava/lang/String;
+	public static final field outerHtml Ljava/lang/String;
+	public static final field textContent Ljava/lang/String;
+}
+
diff --git a/ktor-shared/ktor-htmx/api/ktor-htmx.klib.api b/ktor-shared/ktor-htmx/api/ktor-htmx.klib.api
new file mode 100644
index 00000000000..1e90e21b32f
--- /dev/null
+++ b/ktor-shared/ktor-htmx/api/ktor-htmx.klib.api
@@ -0,0 +1,249 @@
+// Klib ABI Dump
+// Targets: [androidNativeArm32, androidNativeArm64, androidNativeX64, androidNativeX86, iosArm64, iosSimulatorArm64, iosX64, js, linuxArm64, linuxX64, macosArm64, macosX64, mingwX64, tvosArm64, tvosSimulatorArm64, tvosX64, wasmJs, watchosArm32, watchosArm64, watchosDeviceArm64, watchosSimulatorArm64, watchosX64]
+// Rendering settings:
+// - Signature version: 2
+// - Show manifest properties: true
+// - Show declarations: true
+
+// Library unique name: <io.ktor:ktor-htmx>
+open annotation class io.ktor.htmx/ExperimentalHtmxApi : kotlin/Annotation { // io.ktor.htmx/ExperimentalHtmxApi|null[0]
+    constructor <init>() // io.ktor.htmx/ExperimentalHtmxApi.<init>|<init>(){}[0]
+}
+
+final object io.ktor.htmx/HxAttributeKeys { // io.ktor.htmx/HxAttributeKeys|null[0]
+    final const val Boost // io.ktor.htmx/HxAttributeKeys.Boost|{}Boost[0]
+        final fun <get-Boost>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Boost.<get-Boost>|<get-Boost>(){}[0]
+    final const val Confirm // io.ktor.htmx/HxAttributeKeys.Confirm|{}Confirm[0]
+        final fun <get-Confirm>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Confirm.<get-Confirm>|<get-Confirm>(){}[0]
+    final const val Delete // io.ktor.htmx/HxAttributeKeys.Delete|{}Delete[0]
+        final fun <get-Delete>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Delete.<get-Delete>|<get-Delete>(){}[0]
+    final const val Disable // io.ktor.htmx/HxAttributeKeys.Disable|{}Disable[0]
+        final fun <get-Disable>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Disable.<get-Disable>|<get-Disable>(){}[0]
+    final const val DisabledElt // io.ktor.htmx/HxAttributeKeys.DisabledElt|{}DisabledElt[0]
+        final fun <get-DisabledElt>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.DisabledElt.<get-DisabledElt>|<get-DisabledElt>(){}[0]
+    final const val Disinherit // io.ktor.htmx/HxAttributeKeys.Disinherit|{}Disinherit[0]
+        final fun <get-Disinherit>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Disinherit.<get-Disinherit>|<get-Disinherit>(){}[0]
+    final const val Encoding // io.ktor.htmx/HxAttributeKeys.Encoding|{}Encoding[0]
+        final fun <get-Encoding>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Encoding.<get-Encoding>|<get-Encoding>(){}[0]
+    final const val Ext // io.ktor.htmx/HxAttributeKeys.Ext|{}Ext[0]
+        final fun <get-Ext>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Ext.<get-Ext>|<get-Ext>(){}[0]
+    final const val Get // io.ktor.htmx/HxAttributeKeys.Get|{}Get[0]
+        final fun <get-Get>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Get.<get-Get>|<get-Get>(){}[0]
+    final const val Headers // io.ktor.htmx/HxAttributeKeys.Headers|{}Headers[0]
+        final fun <get-Headers>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Headers.<get-Headers>|<get-Headers>(){}[0]
+    final const val History // io.ktor.htmx/HxAttributeKeys.History|{}History[0]
+        final fun <get-History>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.History.<get-History>|<get-History>(){}[0]
+    final const val HistoryElt // io.ktor.htmx/HxAttributeKeys.HistoryElt|{}HistoryElt[0]
+        final fun <get-HistoryElt>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.HistoryElt.<get-HistoryElt>|<get-HistoryElt>(){}[0]
+    final const val Include // io.ktor.htmx/HxAttributeKeys.Include|{}Include[0]
+        final fun <get-Include>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Include.<get-Include>|<get-Include>(){}[0]
+    final const val Indicator // io.ktor.htmx/HxAttributeKeys.Indicator|{}Indicator[0]
+        final fun <get-Indicator>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Indicator.<get-Indicator>|<get-Indicator>(){}[0]
+    final const val Inherit // io.ktor.htmx/HxAttributeKeys.Inherit|{}Inherit[0]
+        final fun <get-Inherit>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Inherit.<get-Inherit>|<get-Inherit>(){}[0]
+    final const val On // io.ktor.htmx/HxAttributeKeys.On|{}On[0]
+        final fun <get-On>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.On.<get-On>|<get-On>(){}[0]
+    final const val Params // io.ktor.htmx/HxAttributeKeys.Params|{}Params[0]
+        final fun <get-Params>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Params.<get-Params>|<get-Params>(){}[0]
+    final const val Patch // io.ktor.htmx/HxAttributeKeys.Patch|{}Patch[0]
+        final fun <get-Patch>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Patch.<get-Patch>|<get-Patch>(){}[0]
+    final const val Post // io.ktor.htmx/HxAttributeKeys.Post|{}Post[0]
+        final fun <get-Post>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Post.<get-Post>|<get-Post>(){}[0]
+    final const val Preserve // io.ktor.htmx/HxAttributeKeys.Preserve|{}Preserve[0]
+        final fun <get-Preserve>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Preserve.<get-Preserve>|<get-Preserve>(){}[0]
+    final const val Prompt // io.ktor.htmx/HxAttributeKeys.Prompt|{}Prompt[0]
+        final fun <get-Prompt>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Prompt.<get-Prompt>|<get-Prompt>(){}[0]
+    final const val PushUrl // io.ktor.htmx/HxAttributeKeys.PushUrl|{}PushUrl[0]
+        final fun <get-PushUrl>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.PushUrl.<get-PushUrl>|<get-PushUrl>(){}[0]
+    final const val Put // io.ktor.htmx/HxAttributeKeys.Put|{}Put[0]
+        final fun <get-Put>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Put.<get-Put>|<get-Put>(){}[0]
+    final const val ReplaceUrl // io.ktor.htmx/HxAttributeKeys.ReplaceUrl|{}ReplaceUrl[0]
+        final fun <get-ReplaceUrl>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.ReplaceUrl.<get-ReplaceUrl>|<get-ReplaceUrl>(){}[0]
+    final const val Request // io.ktor.htmx/HxAttributeKeys.Request|{}Request[0]
+        final fun <get-Request>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Request.<get-Request>|<get-Request>(){}[0]
+    final const val Select // io.ktor.htmx/HxAttributeKeys.Select|{}Select[0]
+        final fun <get-Select>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Select.<get-Select>|<get-Select>(){}[0]
+    final const val SelectOob // io.ktor.htmx/HxAttributeKeys.SelectOob|{}SelectOob[0]
+        final fun <get-SelectOob>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.SelectOob.<get-SelectOob>|<get-SelectOob>(){}[0]
+    final const val Swap // io.ktor.htmx/HxAttributeKeys.Swap|{}Swap[0]
+        final fun <get-Swap>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Swap.<get-Swap>|<get-Swap>(){}[0]
+    final const val SwapOob // io.ktor.htmx/HxAttributeKeys.SwapOob|{}SwapOob[0]
+        final fun <get-SwapOob>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.SwapOob.<get-SwapOob>|<get-SwapOob>(){}[0]
+    final const val Sync // io.ktor.htmx/HxAttributeKeys.Sync|{}Sync[0]
+        final fun <get-Sync>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Sync.<get-Sync>|<get-Sync>(){}[0]
+    final const val Target // io.ktor.htmx/HxAttributeKeys.Target|{}Target[0]
+        final fun <get-Target>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Target.<get-Target>|<get-Target>(){}[0]
+    final const val Trigger // io.ktor.htmx/HxAttributeKeys.Trigger|{}Trigger[0]
+        final fun <get-Trigger>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Trigger.<get-Trigger>|<get-Trigger>(){}[0]
+    final const val Validate // io.ktor.htmx/HxAttributeKeys.Validate|{}Validate[0]
+        final fun <get-Validate>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Validate.<get-Validate>|<get-Validate>(){}[0]
+    final const val Vals // io.ktor.htmx/HxAttributeKeys.Vals|{}Vals[0]
+        final fun <get-Vals>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Vals.<get-Vals>|<get-Vals>(){}[0]
+    final const val Vars // io.ktor.htmx/HxAttributeKeys.Vars|{}Vars[0]
+        final fun <get-Vars>(): kotlin/String // io.ktor.htmx/HxAttributeKeys.Vars.<get-Vars>|<get-Vars>(){}[0]
+}
+
+final object io.ktor.htmx/HxCss { // io.ktor.htmx/HxCss|null[0]
+    final const val Added // io.ktor.htmx/HxCss.Added|{}Added[0]
+        final fun <get-Added>(): kotlin/String // io.ktor.htmx/HxCss.Added.<get-Added>|<get-Added>(){}[0]
+    final const val Indicator // io.ktor.htmx/HxCss.Indicator|{}Indicator[0]
+        final fun <get-Indicator>(): kotlin/String // io.ktor.htmx/HxCss.Indicator.<get-Indicator>|<get-Indicator>(){}[0]
+    final const val Request // io.ktor.htmx/HxCss.Request|{}Request[0]
+        final fun <get-Request>(): kotlin/String // io.ktor.htmx/HxCss.Request.<get-Request>|<get-Request>(){}[0]
+    final const val Settling // io.ktor.htmx/HxCss.Settling|{}Settling[0]
+        final fun <get-Settling>(): kotlin/String // io.ktor.htmx/HxCss.Settling.<get-Settling>|<get-Settling>(){}[0]
+    final const val Swapping // io.ktor.htmx/HxCss.Swapping|{}Swapping[0]
+        final fun <get-Swapping>(): kotlin/String // io.ktor.htmx/HxCss.Swapping.<get-Swapping>|<get-Swapping>(){}[0]
+}
+
+final object io.ktor.htmx/HxEvents { // io.ktor.htmx/HxEvents|null[0]
+    final const val Abort // io.ktor.htmx/HxEvents.Abort|{}Abort[0]
+        final fun <get-Abort>(): kotlin/String // io.ktor.htmx/HxEvents.Abort.<get-Abort>|<get-Abort>(){}[0]
+    final const val AfterOnLoad // io.ktor.htmx/HxEvents.AfterOnLoad|{}AfterOnLoad[0]
+        final fun <get-AfterOnLoad>(): kotlin/String // io.ktor.htmx/HxEvents.AfterOnLoad.<get-AfterOnLoad>|<get-AfterOnLoad>(){}[0]
+    final const val AfterProcessNode // io.ktor.htmx/HxEvents.AfterProcessNode|{}AfterProcessNode[0]
+        final fun <get-AfterProcessNode>(): kotlin/String // io.ktor.htmx/HxEvents.AfterProcessNode.<get-AfterProcessNode>|<get-AfterProcessNode>(){}[0]
+    final const val AfterRequest // io.ktor.htmx/HxEvents.AfterRequest|{}AfterRequest[0]
+        final fun <get-AfterRequest>(): kotlin/String // io.ktor.htmx/HxEvents.AfterRequest.<get-AfterRequest>|<get-AfterRequest>(){}[0]
+    final const val AfterSettle // io.ktor.htmx/HxEvents.AfterSettle|{}AfterSettle[0]
+        final fun <get-AfterSettle>(): kotlin/String // io.ktor.htmx/HxEvents.AfterSettle.<get-AfterSettle>|<get-AfterSettle>(){}[0]
+    final const val AfterSwap // io.ktor.htmx/HxEvents.AfterSwap|{}AfterSwap[0]
+        final fun <get-AfterSwap>(): kotlin/String // io.ktor.htmx/HxEvents.AfterSwap.<get-AfterSwap>|<get-AfterSwap>(){}[0]
+    final const val BeforeCleanupElement // io.ktor.htmx/HxEvents.BeforeCleanupElement|{}BeforeCleanupElement[0]
+        final fun <get-BeforeCleanupElement>(): kotlin/String // io.ktor.htmx/HxEvents.BeforeCleanupElement.<get-BeforeCleanupElement>|<get-BeforeCleanupElement>(){}[0]
+    final const val BeforeHistorySave // io.ktor.htmx/HxEvents.BeforeHistorySave|{}BeforeHistorySave[0]
+        final fun <get-BeforeHistorySave>(): kotlin/String // io.ktor.htmx/HxEvents.BeforeHistorySave.<get-BeforeHistorySave>|<get-BeforeHistorySave>(){}[0]
+    final const val BeforeOnLoad // io.ktor.htmx/HxEvents.BeforeOnLoad|{}BeforeOnLoad[0]
+        final fun <get-BeforeOnLoad>(): kotlin/String // io.ktor.htmx/HxEvents.BeforeOnLoad.<get-BeforeOnLoad>|<get-BeforeOnLoad>(){}[0]
+    final const val BeforeProcessNode // io.ktor.htmx/HxEvents.BeforeProcessNode|{}BeforeProcessNode[0]
+        final fun <get-BeforeProcessNode>(): kotlin/String // io.ktor.htmx/HxEvents.BeforeProcessNode.<get-BeforeProcessNode>|<get-BeforeProcessNode>(){}[0]
+    final const val BeforeRequest // io.ktor.htmx/HxEvents.BeforeRequest|{}BeforeRequest[0]
+        final fun <get-BeforeRequest>(): kotlin/String // io.ktor.htmx/HxEvents.BeforeRequest.<get-BeforeRequest>|<get-BeforeRequest>(){}[0]
+    final const val BeforeSend // io.ktor.htmx/HxEvents.BeforeSend|{}BeforeSend[0]
+        final fun <get-BeforeSend>(): kotlin/String // io.ktor.htmx/HxEvents.BeforeSend.<get-BeforeSend>|<get-BeforeSend>(){}[0]
+    final const val BeforeSwap // io.ktor.htmx/HxEvents.BeforeSwap|{}BeforeSwap[0]
+        final fun <get-BeforeSwap>(): kotlin/String // io.ktor.htmx/HxEvents.BeforeSwap.<get-BeforeSwap>|<get-BeforeSwap>(){}[0]
+    final const val ConfigRequest // io.ktor.htmx/HxEvents.ConfigRequest|{}ConfigRequest[0]
+        final fun <get-ConfigRequest>(): kotlin/String // io.ktor.htmx/HxEvents.ConfigRequest.<get-ConfigRequest>|<get-ConfigRequest>(){}[0]
+    final const val Confirm // io.ktor.htmx/HxEvents.Confirm|{}Confirm[0]
+        final fun <get-Confirm>(): kotlin/String // io.ktor.htmx/HxEvents.Confirm.<get-Confirm>|<get-Confirm>(){}[0]
+    final const val HistoryCacheError // io.ktor.htmx/HxEvents.HistoryCacheError|{}HistoryCacheError[0]
+        final fun <get-HistoryCacheError>(): kotlin/String // io.ktor.htmx/HxEvents.HistoryCacheError.<get-HistoryCacheError>|<get-HistoryCacheError>(){}[0]
+    final const val HistoryCacheMiss // io.ktor.htmx/HxEvents.HistoryCacheMiss|{}HistoryCacheMiss[0]
+        final fun <get-HistoryCacheMiss>(): kotlin/String // io.ktor.htmx/HxEvents.HistoryCacheMiss.<get-HistoryCacheMiss>|<get-HistoryCacheMiss>(){}[0]
+    final const val HistoryCacheMissError // io.ktor.htmx/HxEvents.HistoryCacheMissError|{}HistoryCacheMissError[0]
+        final fun <get-HistoryCacheMissError>(): kotlin/String // io.ktor.htmx/HxEvents.HistoryCacheMissError.<get-HistoryCacheMissError>|<get-HistoryCacheMissError>(){}[0]
+    final const val HistoryCacheMissLoad // io.ktor.htmx/HxEvents.HistoryCacheMissLoad|{}HistoryCacheMissLoad[0]
+        final fun <get-HistoryCacheMissLoad>(): kotlin/String // io.ktor.htmx/HxEvents.HistoryCacheMissLoad.<get-HistoryCacheMissLoad>|<get-HistoryCacheMissLoad>(){}[0]
+    final const val HistoryRestore // io.ktor.htmx/HxEvents.HistoryRestore|{}HistoryRestore[0]
+        final fun <get-HistoryRestore>(): kotlin/String // io.ktor.htmx/HxEvents.HistoryRestore.<get-HistoryRestore>|<get-HistoryRestore>(){}[0]
+    final const val Load // io.ktor.htmx/HxEvents.Load|{}Load[0]
+        final fun <get-Load>(): kotlin/String // io.ktor.htmx/HxEvents.Load.<get-Load>|<get-Load>(){}[0]
+    final const val NoSseSourceError // io.ktor.htmx/HxEvents.NoSseSourceError|{}NoSseSourceError[0]
+        final fun <get-NoSseSourceError>(): kotlin/String // io.ktor.htmx/HxEvents.NoSseSourceError.<get-NoSseSourceError>|<get-NoSseSourceError>(){}[0]
+    final const val OnLoadError // io.ktor.htmx/HxEvents.OnLoadError|{}OnLoadError[0]
+        final fun <get-OnLoadError>(): kotlin/String // io.ktor.htmx/HxEvents.OnLoadError.<get-OnLoadError>|<get-OnLoadError>(){}[0]
+    final const val OobAfterSwap // io.ktor.htmx/HxEvents.OobAfterSwap|{}OobAfterSwap[0]
+        final fun <get-OobAfterSwap>(): kotlin/String // io.ktor.htmx/HxEvents.OobAfterSwap.<get-OobAfterSwap>|<get-OobAfterSwap>(){}[0]
+    final const val OobBeforeSwap // io.ktor.htmx/HxEvents.OobBeforeSwap|{}OobBeforeSwap[0]
+        final fun <get-OobBeforeSwap>(): kotlin/String // io.ktor.htmx/HxEvents.OobBeforeSwap.<get-OobBeforeSwap>|<get-OobBeforeSwap>(){}[0]
+    final const val OobErrorNoTarget // io.ktor.htmx/HxEvents.OobErrorNoTarget|{}OobErrorNoTarget[0]
+        final fun <get-OobErrorNoTarget>(): kotlin/String // io.ktor.htmx/HxEvents.OobErrorNoTarget.<get-OobErrorNoTarget>|<get-OobErrorNoTarget>(){}[0]
+    final const val Prompt // io.ktor.htmx/HxEvents.Prompt|{}Prompt[0]
+        final fun <get-Prompt>(): kotlin/String // io.ktor.htmx/HxEvents.Prompt.<get-Prompt>|<get-Prompt>(){}[0]
+    final const val PushedIntoHistory // io.ktor.htmx/HxEvents.PushedIntoHistory|{}PushedIntoHistory[0]
+        final fun <get-PushedIntoHistory>(): kotlin/String // io.ktor.htmx/HxEvents.PushedIntoHistory.<get-PushedIntoHistory>|<get-PushedIntoHistory>(){}[0]
+    final const val ResponseError // io.ktor.htmx/HxEvents.ResponseError|{}ResponseError[0]
+        final fun <get-ResponseError>(): kotlin/String // io.ktor.htmx/HxEvents.ResponseError.<get-ResponseError>|<get-ResponseError>(){}[0]
+    final const val SendError // io.ktor.htmx/HxEvents.SendError|{}SendError[0]
+        final fun <get-SendError>(): kotlin/String // io.ktor.htmx/HxEvents.SendError.<get-SendError>|<get-SendError>(){}[0]
+    final const val SseError // io.ktor.htmx/HxEvents.SseError|{}SseError[0]
+        final fun <get-SseError>(): kotlin/String // io.ktor.htmx/HxEvents.SseError.<get-SseError>|<get-SseError>(){}[0]
+    final const val SseOpen // io.ktor.htmx/HxEvents.SseOpen|{}SseOpen[0]
+        final fun <get-SseOpen>(): kotlin/String // io.ktor.htmx/HxEvents.SseOpen.<get-SseOpen>|<get-SseOpen>(){}[0]
+    final const val SwapError // io.ktor.htmx/HxEvents.SwapError|{}SwapError[0]
+        final fun <get-SwapError>(): kotlin/String // io.ktor.htmx/HxEvents.SwapError.<get-SwapError>|<get-SwapError>(){}[0]
+    final const val TargetError // io.ktor.htmx/HxEvents.TargetError|{}TargetError[0]
+        final fun <get-TargetError>(): kotlin/String // io.ktor.htmx/HxEvents.TargetError.<get-TargetError>|<get-TargetError>(){}[0]
+    final const val Timeout // io.ktor.htmx/HxEvents.Timeout|{}Timeout[0]
+        final fun <get-Timeout>(): kotlin/String // io.ktor.htmx/HxEvents.Timeout.<get-Timeout>|<get-Timeout>(){}[0]
+    final const val ValidationFailed // io.ktor.htmx/HxEvents.ValidationFailed|{}ValidationFailed[0]
+        final fun <get-ValidationFailed>(): kotlin/String // io.ktor.htmx/HxEvents.ValidationFailed.<get-ValidationFailed>|<get-ValidationFailed>(){}[0]
+    final const val ValidationHalted // io.ktor.htmx/HxEvents.ValidationHalted|{}ValidationHalted[0]
+        final fun <get-ValidationHalted>(): kotlin/String // io.ktor.htmx/HxEvents.ValidationHalted.<get-ValidationHalted>|<get-ValidationHalted>(){}[0]
+    final const val ValidationValidate // io.ktor.htmx/HxEvents.ValidationValidate|{}ValidationValidate[0]
+        final fun <get-ValidationValidate>(): kotlin/String // io.ktor.htmx/HxEvents.ValidationValidate.<get-ValidationValidate>|<get-ValidationValidate>(){}[0]
+    final const val XhrAbort // io.ktor.htmx/HxEvents.XhrAbort|{}XhrAbort[0]
+        final fun <get-XhrAbort>(): kotlin/String // io.ktor.htmx/HxEvents.XhrAbort.<get-XhrAbort>|<get-XhrAbort>(){}[0]
+    final const val XhrLoadend // io.ktor.htmx/HxEvents.XhrLoadend|{}XhrLoadend[0]
+        final fun <get-XhrLoadend>(): kotlin/String // io.ktor.htmx/HxEvents.XhrLoadend.<get-XhrLoadend>|<get-XhrLoadend>(){}[0]
+    final const val XhrLoadstart // io.ktor.htmx/HxEvents.XhrLoadstart|{}XhrLoadstart[0]
+        final fun <get-XhrLoadstart>(): kotlin/String // io.ktor.htmx/HxEvents.XhrLoadstart.<get-XhrLoadstart>|<get-XhrLoadstart>(){}[0]
+    final const val XhrProgress // io.ktor.htmx/HxEvents.XhrProgress|{}XhrProgress[0]
+        final fun <get-XhrProgress>(): kotlin/String // io.ktor.htmx/HxEvents.XhrProgress.<get-XhrProgress>|<get-XhrProgress>(){}[0]
+}
+
+final object io.ktor.htmx/HxRequestHeaders { // io.ktor.htmx/HxRequestHeaders|null[0]
+    final const val Boosted // io.ktor.htmx/HxRequestHeaders.Boosted|{}Boosted[0]
+        final fun <get-Boosted>(): kotlin/String // io.ktor.htmx/HxRequestHeaders.Boosted.<get-Boosted>|<get-Boosted>(){}[0]
+    final const val CurrentUrl // io.ktor.htmx/HxRequestHeaders.CurrentUrl|{}CurrentUrl[0]
+        final fun <get-CurrentUrl>(): kotlin/String // io.ktor.htmx/HxRequestHeaders.CurrentUrl.<get-CurrentUrl>|<get-CurrentUrl>(){}[0]
+    final const val HistoryRestoreRequest // io.ktor.htmx/HxRequestHeaders.HistoryRestoreRequest|{}HistoryRestoreRequest[0]
+        final fun <get-HistoryRestoreRequest>(): kotlin/String // io.ktor.htmx/HxRequestHeaders.HistoryRestoreRequest.<get-HistoryRestoreRequest>|<get-HistoryRestoreRequest>(){}[0]
+    final const val Prompt // io.ktor.htmx/HxRequestHeaders.Prompt|{}Prompt[0]
+        final fun <get-Prompt>(): kotlin/String // io.ktor.htmx/HxRequestHeaders.Prompt.<get-Prompt>|<get-Prompt>(){}[0]
+    final const val Request // io.ktor.htmx/HxRequestHeaders.Request|{}Request[0]
+        final fun <get-Request>(): kotlin/String // io.ktor.htmx/HxRequestHeaders.Request.<get-Request>|<get-Request>(){}[0]
+    final const val Target // io.ktor.htmx/HxRequestHeaders.Target|{}Target[0]
+        final fun <get-Target>(): kotlin/String // io.ktor.htmx/HxRequestHeaders.Target.<get-Target>|<get-Target>(){}[0]
+    final const val Trigger // io.ktor.htmx/HxRequestHeaders.Trigger|{}Trigger[0]
+        final fun <get-Trigger>(): kotlin/String // io.ktor.htmx/HxRequestHeaders.Trigger.<get-Trigger>|<get-Trigger>(){}[0]
+    final const val TriggerName // io.ktor.htmx/HxRequestHeaders.TriggerName|{}TriggerName[0]
+        final fun <get-TriggerName>(): kotlin/String // io.ktor.htmx/HxRequestHeaders.TriggerName.<get-TriggerName>|<get-TriggerName>(){}[0]
+}
+
+final object io.ktor.htmx/HxResponseHeaders { // io.ktor.htmx/HxResponseHeaders|null[0]
+    final const val Location // io.ktor.htmx/HxResponseHeaders.Location|{}Location[0]
+        final fun <get-Location>(): kotlin/String // io.ktor.htmx/HxResponseHeaders.Location.<get-Location>|<get-Location>(){}[0]
+    final const val PushUrl // io.ktor.htmx/HxResponseHeaders.PushUrl|{}PushUrl[0]
+        final fun <get-PushUrl>(): kotlin/String // io.ktor.htmx/HxResponseHeaders.PushUrl.<get-PushUrl>|<get-PushUrl>(){}[0]
+    final const val Redirect // io.ktor.htmx/HxResponseHeaders.Redirect|{}Redirect[0]
+        final fun <get-Redirect>(): kotlin/String // io.ktor.htmx/HxResponseHeaders.Redirect.<get-Redirect>|<get-Redirect>(){}[0]
+    final const val Refresh // io.ktor.htmx/HxResponseHeaders.Refresh|{}Refresh[0]
+        final fun <get-Refresh>(): kotlin/String // io.ktor.htmx/HxResponseHeaders.Refresh.<get-Refresh>|<get-Refresh>(){}[0]
+    final const val ReplaceUrl // io.ktor.htmx/HxResponseHeaders.ReplaceUrl|{}ReplaceUrl[0]
+        final fun <get-ReplaceUrl>(): kotlin/String // io.ktor.htmx/HxResponseHeaders.ReplaceUrl.<get-ReplaceUrl>|<get-ReplaceUrl>(){}[0]
+    final const val Reselect // io.ktor.htmx/HxResponseHeaders.Reselect|{}Reselect[0]
+        final fun <get-Reselect>(): kotlin/String // io.ktor.htmx/HxResponseHeaders.Reselect.<get-Reselect>|<get-Reselect>(){}[0]
+    final const val Reswap // io.ktor.htmx/HxResponseHeaders.Reswap|{}Reswap[0]
+        final fun <get-Reswap>(): kotlin/String // io.ktor.htmx/HxResponseHeaders.Reswap.<get-Reswap>|<get-Reswap>(){}[0]
+    final const val Retarget // io.ktor.htmx/HxResponseHeaders.Retarget|{}Retarget[0]
+        final fun <get-Retarget>(): kotlin/String // io.ktor.htmx/HxResponseHeaders.Retarget.<get-Retarget>|<get-Retarget>(){}[0]
+    final const val Trigger // io.ktor.htmx/HxResponseHeaders.Trigger|{}Trigger[0]
+        final fun <get-Trigger>(): kotlin/String // io.ktor.htmx/HxResponseHeaders.Trigger.<get-Trigger>|<get-Trigger>(){}[0]
+    final const val TriggerAfterSettle // io.ktor.htmx/HxResponseHeaders.TriggerAfterSettle|{}TriggerAfterSettle[0]
+        final fun <get-TriggerAfterSettle>(): kotlin/String // io.ktor.htmx/HxResponseHeaders.TriggerAfterSettle.<get-TriggerAfterSettle>|<get-TriggerAfterSettle>(){}[0]
+    final const val TriggerAfterSwap // io.ktor.htmx/HxResponseHeaders.TriggerAfterSwap|{}TriggerAfterSwap[0]
+        final fun <get-TriggerAfterSwap>(): kotlin/String // io.ktor.htmx/HxResponseHeaders.TriggerAfterSwap.<get-TriggerAfterSwap>|<get-TriggerAfterSwap>(){}[0]
+}
+
+final object io.ktor.htmx/HxSwap { // io.ktor.htmx/HxSwap|null[0]
+    final const val afterBegin // io.ktor.htmx/HxSwap.afterBegin|{}afterBegin[0]
+        final fun <get-afterBegin>(): kotlin/String // io.ktor.htmx/HxSwap.afterBegin.<get-afterBegin>|<get-afterBegin>(){}[0]
+    final const val afterEnd // io.ktor.htmx/HxSwap.afterEnd|{}afterEnd[0]
+        final fun <get-afterEnd>(): kotlin/String // io.ktor.htmx/HxSwap.afterEnd.<get-afterEnd>|<get-afterEnd>(){}[0]
+    final const val beforeBegin // io.ktor.htmx/HxSwap.beforeBegin|{}beforeBegin[0]
+        final fun <get-beforeBegin>(): kotlin/String // io.ktor.htmx/HxSwap.beforeBegin.<get-beforeBegin>|<get-beforeBegin>(){}[0]
+    final const val beforeEnd // io.ktor.htmx/HxSwap.beforeEnd|{}beforeEnd[0]
+        final fun <get-beforeEnd>(): kotlin/String // io.ktor.htmx/HxSwap.beforeEnd.<get-beforeEnd>|<get-beforeEnd>(){}[0]
+    final const val delete // io.ktor.htmx/HxSwap.delete|{}delete[0]
+        final fun <get-delete>(): kotlin/String // io.ktor.htmx/HxSwap.delete.<get-delete>|<get-delete>(){}[0]
+    final const val innerHtml // io.ktor.htmx/HxSwap.innerHtml|{}innerHtml[0]
+        final fun <get-innerHtml>(): kotlin/String // io.ktor.htmx/HxSwap.innerHtml.<get-innerHtml>|<get-innerHtml>(){}[0]
+    final const val none // io.ktor.htmx/HxSwap.none|{}none[0]
+        final fun <get-none>(): kotlin/String // io.ktor.htmx/HxSwap.none.<get-none>|<get-none>(){}[0]
+    final const val outerHtml // io.ktor.htmx/HxSwap.outerHtml|{}outerHtml[0]
+        final fun <get-outerHtml>(): kotlin/String // io.ktor.htmx/HxSwap.outerHtml.<get-outerHtml>|<get-outerHtml>(){}[0]
+    final const val textContent // io.ktor.htmx/HxSwap.textContent|{}textContent[0]
+        final fun <get-textContent>(): kotlin/String // io.ktor.htmx/HxSwap.textContent.<get-textContent>|<get-textContent>(){}[0]
+}
diff --git a/ktor-shared/ktor-htmx/build.gradle.kts b/ktor-shared/ktor-htmx/build.gradle.kts
new file mode 100644
index 00000000000..1b9815283da
--- /dev/null
+++ b/ktor-shared/ktor-htmx/build.gradle.kts
@@ -0,0 +1,5 @@
+/*
+ * Copyright 2014-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+description = "Common HTMX constants for use in client and server"
diff --git a/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/Annotations.kt b/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/Annotations.kt
new file mode 100644
index 00000000000..a1fbae2c233
--- /dev/null
+++ b/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/Annotations.kt
@@ -0,0 +1,8 @@
+/*
+ * Copyright 2014-2025 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package io.ktor.htmx
+
+@MustBeDocumented @Retention @RequiresOptIn
+public annotation class ExperimentalHtmxApi
diff --git a/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxAttributeKeys.kt b/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxAttributeKeys.kt
new file mode 100644
index 00000000000..d4f4dbb3832
--- /dev/null
+++ b/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxAttributeKeys.kt
@@ -0,0 +1,188 @@
+/*
+ * Copyright 2014-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+@file:Suppress("ConstPropertyName")
+
+package io.ktor.htmx
+
+/**
+ * Attribute constants that are used with HTMX.
+ *
+ * @see [Official documentation](https://htmx.org/reference/#attributes-additional)
+ */
+public object HxAttributeKeys {
+    /**
+     * Issues a GET to the specified URL.
+     */
+    public const val Get: String = "hx-get"
+
+    /**
+     * Issues a POST to the specified URL.
+     */
+    public const val Post: String = "hx-post"
+
+    /**
+     * Handles events with inline scripts on elements.
+     */
+    public const val On: String = "hx-on"
+
+    /**
+     * Pushes a URL into the browser location bar to create history.
+     */
+    public const val PushUrl: String = "hx-push-url"
+
+    /**
+     * Selects content to swap in from a response.
+     */
+    public const val Select: String = "hx-select"
+
+    /**
+     * Selects content to swap in from a response, somewhere other than the target (out of band).
+     */
+    public const val SelectOob: String = "hx-select-oob"
+
+    /**
+     * Controls how content will swap in (outerHTML, beforeend, afterend, …).
+     */
+    public const val Swap: String = "hx-swap"
+
+    /**
+     * Marks element to swap in from a response (out of band).
+     */
+    public const val SwapOob: String = "hx-swap-oob"
+
+    /**
+     * Specifies the target element to be swapped.
+     */
+    public const val Target: String = "hx-target"
+
+    /**
+     * Specifies the event that triggers the request.
+     */
+    public const val Trigger: String = "hx-trigger"
+
+    /**
+     * Adds values to submit with the request (JSON format).
+     */
+    public const val Vals: String = "hx-vals"
+
+    /**
+     * Adds progressive enhancement for links and forms.
+     */
+    public const val Boost: String = "hx-boost"
+
+    /**
+     * Shows a confirm() dialog before issuing a request.
+     */
+    public const val Confirm: String = "hx-confirm"
+
+    /**
+     * Issues a DELETE to the specified URL.
+     */
+    public const val Delete: String = "hx-delete"
+
+    /**
+     * Disables htmx processing for the given node and any children nodes.
+     */
+    public const val Disable: String = "hx-disable"
+
+    /**
+     * Adds the disabled attribute to the specified elements while a request is in flight.
+     */
+    public const val DisabledElt: String = "hx-disabled-elt"
+
+    /**
+     * Controls and disables automatic attribute inheritance for child nodes.
+     */
+    public const val Disinherit: String = "hx-disinherit"
+
+    /**
+     * Changes the request encoding type.
+     */
+    public const val Encoding: String = "hx-encoding"
+
+    /**
+     * Extensions to use for this element.
+     */
+    public const val Ext: String = "hx-ext"
+
+    /**
+     * Adds to the headers that will be submitted with the request.
+     */
+    public const val Headers: String = "hx-headers"
+
+    /**
+     * Prevents sensitive data from being saved to the history cache.
+     */
+    public const val History: String = "hx-history"
+
+    /**
+     * Specifies the element to snapshot and restore during history navigation.
+     */
+    public const val HistoryElt: String = "hx-history-elt"
+
+    /**
+     * Includes additional data in requests.
+     */
+    public const val Include: String = "hx-include"
+
+    /**
+     * Specifies the element to put the htmx-request class on during the request.
+     */
+    public const val Indicator: String = "hx-indicator"
+
+    /**
+     * Controls and enables automatic attribute inheritance for child nodes if it has been disabled by default.
+     */
+    public const val Inherit: String = "hx-inherit"
+
+    /**
+     * Filters the parameters that will be submitted with a request.
+     */
+    public const val Params: String = "hx-params"
+
+    /**
+     * Issues a PATCH to the specified URL.
+     */
+    public const val Patch: String = "hx-patch"
+
+    /**
+     * Specifies elements to keep unchanged between requests.
+     */
+    public const val Preserve: String = "hx-preserve"
+
+    /**
+     * Shows a prompt() before submitting a request.
+     */
+    public const val Prompt: String = "hx-prompt"
+
+    /**
+     * Issues a PUT to the specified URL.
+     */
+    public const val Put: String = "hx-put"
+
+    /**
+     * Replaces the URL in the browser location bar.
+     */
+    public const val ReplaceUrl: String = "hx-replace-url"
+
+    /**
+     * Configures various aspects of the request.
+     */
+    public const val Request: String = "hx-request"
+
+    /**
+     * Controls how requests made by different elements are synchronized.
+     */
+    public const val Sync: String = "hx-sync"
+
+    /**
+     * Forces elements to validate themselves before a request.
+     */
+    public const val Validate: String = "hx-validate"
+
+    /**
+     * Adds values dynamically to the parameters to submit with the request (deprecated, please use hx-vals).
+     */
+    public const val Vars: String = "hx-vars"
+}
diff --git a/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxCss.kt b/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxCss.kt
new file mode 100644
index 00000000000..0d130b38b25
--- /dev/null
+++ b/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxCss.kt
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2014-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+@file:Suppress("ConstPropertyName")
+
+package io.ktor.htmx
+
+/**
+ * Constants for HTMX CSS classes.
+ *
+ * @see [Official documentation](https://htmx.org/reference/#classes)
+ */
+public object HxCss {
+    /**
+     * Applied to a new piece of content before it is swapped, removed after it is settled.
+     */
+    public const val Added: String = "htmx-added"
+
+    /**
+     * A dynamically generated class that will toggle visible (opacity:1) when a htmx-request class is present
+     */
+    public const val Indicator: String = "htmx-indicator"
+
+    /**
+     * Applied to either the element or the element specified with hx-indicator while a request is ongoing
+     */
+    public const val Request: String = "htmx-request"
+
+    /**
+     * Applied to a target after content is swapped, removed after it is settled. The duration can be modified via hx-swap.
+     */
+    public const val Settling: String = "htmx-settling"
+
+    /**
+     * Applied to a target before any content is swapped, removed after it is swapped. The duration can be modified via hx-swap.
+     */
+    public const val Swapping: String = "htmx-swapping"
+}
diff --git a/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxEvents.kt b/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxEvents.kt
new file mode 100644
index 00000000000..2bdebca0da3
--- /dev/null
+++ b/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxEvents.kt
@@ -0,0 +1,222 @@
+/*
+ * Copyright 2014-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package io.ktor.htmx
+
+/**
+ * Constants for HTMX events.
+ *
+ * @see [Official documentation](https://htmx.org/events/)
+ */
+public object HxEvents {
+    /**
+     * Send this event to an element to abort a request.
+     */
+    public const val Abort: String = "htmx:abort"
+
+    /**
+     * Triggered after an AJAX request has completed processing a successful response.
+     */
+    public const val AfterOnLoad: String = "htmx:afterOnLoad"
+
+    /**
+     * Triggered after htmx has initialized a node.
+     */
+    public const val AfterProcessNode: String = "htmx:afterProcessNode"
+
+    /**
+     * Triggered after an AJAX request has completed.
+     */
+    public const val AfterRequest: String = "htmx:afterRequest"
+
+    /**
+     * Triggered after the DOM has settled.
+     */
+    public const val AfterSettle: String = "htmx:afterSettle"
+
+    /**
+     * Triggered after new content has been swapped in.
+     */
+    public const val AfterSwap: String = "htmx:afterSwap"
+
+    /**
+     * Triggered before htmx disables an element or removes it from the DOM.
+     */
+    public const val BeforeCleanupElement: String = "htmx:beforeCleanupElement"
+
+    /**
+     * Triggered before any response processing occurs.
+     */
+    public const val BeforeOnLoad: String = "htmx:beforeOnLoad"
+
+    /**
+     * Triggered before htmx initializes a node.
+     */
+    public const val BeforeProcessNode: String = "htmx:beforeProcessNode"
+
+    /**
+     * Triggered before an AJAX request is made.
+     */
+    public const val BeforeRequest: String = "htmx:beforeRequest"
+
+    /**
+     * Triggered before a swap is done, allows you to configure the swap.
+     */
+    public const val BeforeSwap: String = "htmx:beforeSwap"
+
+    /**
+     * Triggered just before an AJAX request is sent.
+     */
+    public const val BeforeSend: String = "htmx:beforeSend"
+
+    /**
+     * Triggered before the request, allows you to customize parameters, headers.
+     */
+    public const val ConfigRequest: String = "htmx:configRequest"
+
+    /**
+     * Triggered after a trigger occurs on an element, allows you to cancel (or delay) issuing the AJAX request.
+     */
+    public const val Confirm: String = "htmx:confirm"
+
+    /**
+     * Triggered on an error during cache writing.
+     */
+    public const val HistoryCacheError: String = "htmx:historyCacheError"
+
+    /**
+     * Triggered on a cache miss in the history subsystem.
+     */
+    public const val HistoryCacheMiss: String = "htmx:historyCacheMiss"
+
+    /**
+     * Triggered on an unsuccessful remote retrieval.
+     */
+    public const val HistoryCacheMissError: String = "htmx:historyCacheMissError"
+
+    /**
+     * Triggered on a successful remote retrieval.
+     */
+    public const val HistoryCacheMissLoad: String = "htmx:historyCacheMissLoad"
+
+    /**
+     * Triggered when htmx handles a history restoration action.
+     */
+    public const val HistoryRestore: String = "htmx:historyRestore"
+
+    /**
+     * Triggered before content is saved to the history cache.
+     */
+    public const val BeforeHistorySave: String = "htmx:beforeHistorySave"
+
+    /**
+     * Triggered when new content is added to the DOM.
+     */
+    public const val Load: String = "htmx:load"
+
+    /**
+     * Triggered when an element refers to a SSE event in its trigger, but no parent SSE source has been defined.
+     */
+    public const val NoSseSourceError: String = "htmx:noSSESourceError"
+
+    /**
+     * Triggered when an exception occurs during the onLoad handling in htmx.
+     */
+    public const val OnLoadError: String = "htmx:onLoadError"
+
+    /**
+     * Triggered after an out of band element has been swapped in.
+     */
+    public const val OobAfterSwap: String = "htmx:oobAfterSwap"
+
+    /**
+     * Triggered before an out of band element swap is done, allows you to configure the swap.
+     */
+    public const val OobBeforeSwap: String = "htmx:oobBeforeSwap"
+
+    /**
+     * Triggered when an out of band element does not have a matching ID in the current DOM.
+     */
+    public const val OobErrorNoTarget: String = "htmx:oobErrorNoTarget"
+
+    /**
+     * Triggered after a prompt is shown.
+     */
+    public const val Prompt: String = "htmx:prompt"
+
+    /**
+     * Triggered after a URL is pushed into history.
+     */
+    public const val PushedIntoHistory: String = "htmx:pushedIntoHistory"
+
+    /**
+     * Triggered when an HTTP response error (non-200 or 300 response code) occurs.
+     */
+    public const val ResponseError: String = "htmx:responseError"
+
+    /**
+     * Triggered when a network error prevents an HTTP request from happening.
+     */
+    public const val SendError: String = "htmx:sendError"
+
+    /**
+     * Triggered when an error occurs with a SSE source.
+     */
+    public const val SseError: String = "htmx:sseError"
+
+    /**
+     * Triggered when a SSE source is opened.
+     */
+    public const val SseOpen: String = "htmx:sseOpen"
+
+    /**
+     * Triggered when an error occurs during the swap phase.
+     */
+    public const val SwapError: String = "htmx:swapError"
+
+    /**
+     * Triggered when an invalid target is specified.
+     */
+    public const val TargetError: String = "htmx:targetError"
+
+    /**
+     * Triggered when a request timeout occurs.
+     */
+    public const val Timeout: String = "htmx:timeout"
+
+    /**
+     * Triggered before an element is validated.
+     */
+    public const val ValidationValidate: String = "htmx:validation:validate"
+
+    /**
+     * Triggered when an element fails validation.
+     */
+    public const val ValidationFailed: String = "htmx:validation:failed"
+
+    /**
+     * Triggered when a request is halted due to validation errors.
+     */
+    public const val ValidationHalted: String = "htmx:validation:halted"
+
+    /**
+     * Triggered when an AJAX request aborts.
+     */
+    public const val XhrAbort: String = "htmx:xhr:abort"
+
+    /**
+     * Triggered when an AJAX request ends.
+     */
+    public const val XhrLoadend: String = "htmx:xhr:loadend"
+
+    /**
+     * Triggered when an AJAX request starts.
+     */
+    public const val XhrLoadstart: String = "htmx:xhr:loadstart"
+
+    /**
+     * Triggered periodically during an AJAX request that supports progress events.
+     */
+    public const val XhrProgress: String = "htmx:xhr:progress"
+}
diff --git a/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxRequestHeaders.kt b/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxRequestHeaders.kt
new file mode 100644
index 00000000000..efea5390b00
--- /dev/null
+++ b/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxRequestHeaders.kt
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2014-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+@file:Suppress("ConstPropertyName")
+
+package io.ktor.htmx
+
+/**
+ * Constants for HTMX request headers.
+ *
+ * @see [Official documentation](https://htmx.org/events/)
+ */
+public object HxRequestHeaders {
+    /**
+     * Indicates that the request is via an element using hx-boost.
+     */
+    public const val Boosted: String = "HX-Boosted"
+
+    /**
+     * The current URL of the browser.
+     */
+    public const val CurrentUrl: String = "HX-Current-URL"
+
+    /**
+     * “True” if the request is for history restoration after a miss in the local history cache.
+     */
+    public const val HistoryRestoreRequest: String = "HX-History-Restore-Request"
+
+    /**
+     * The user response to an hx-prompt.
+     */
+    public const val Prompt: String = "HX-Prompt"
+
+    /**
+     * Always “true”.
+     */
+    public const val Request: String = "HX-Request"
+
+    /**
+     * The id of the target element if it exists.
+     */
+    public const val Target: String = "HX-Target"
+
+    /**
+     * The name of the triggered element if it exists.
+     */
+    public const val TriggerName: String = "HX-Trigger-Name"
+
+    /**
+     * The id of the triggered element if it exists.
+     */
+    public const val Trigger: String = "HX-Trigger"
+}
diff --git a/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxResponseHeaders.kt b/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxResponseHeaders.kt
new file mode 100644
index 00000000000..661a5a71b24
--- /dev/null
+++ b/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxResponseHeaders.kt
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2014-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+@file:Suppress("ConstPropertyName")
+
+package io.ktor.htmx
+
+/**
+ * Constants for HTMX response headers.
+ *
+ * @see [Official documentation](https://htmx.org/reference/#response_headers)
+ */
+public object HxResponseHeaders {
+    /**
+     * Allows you to do a client-side redirect that does not do a full page reload.
+     */
+    public const val Location: String = "HX-Location"
+
+    /**
+     * Pushes a new URL into the history stack.
+     */
+    public const val PushUrl: String = "HX-Push-Url"
+
+    /**
+     * Can be used to do a client-side redirect to a new location.
+     */
+    public const val Redirect: String = "HX-Redirect"
+
+    /**
+     * If set to “true” the client-side will do a full refresh of the page.
+     */
+    public const val Refresh: String = "HX-Refresh"
+
+    /**
+     * Replaces the current URL in the location bar.
+     */
+    public const val ReplaceUrl: String = "HX-Replace-Url"
+
+    /**
+     * Allows you to specify how the response will be swapped. See hx-swap for possible values.
+     */
+    public const val Reswap: String = "HX-Reswap"
+
+    /**
+     * A CSS selector that updates the target of the content update to a different element on the page.
+     */
+    public const val Retarget: String = "HX-Retarget"
+
+    /**
+     * A CSS selector that allows you to choose which part of the response is used to be swapped in. Overrides an existing hx-select on the triggering element.
+     */
+    public const val Reselect: String = "HX-Reselect"
+
+    /**
+     * Allows you to trigger client-side events.
+     */
+    public const val Trigger: String = "HX-Trigger"
+
+    /**
+     * Allows you to trigger client-side events after the settle step.
+     */
+    public const val TriggerAfterSettle: String = "HX-Trigger-After-Settle"
+
+    /**
+     * Allows you to trigger client-side events after the swap step.
+     */
+    public const val TriggerAfterSwap: String = "HX-Trigger-After-Swap"
+}
diff --git a/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxSwap.kt b/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxSwap.kt
new file mode 100644
index 00000000000..804dc681b3c
--- /dev/null
+++ b/ktor-shared/ktor-htmx/common/src/io/ktor/htmx/HxSwap.kt
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2014-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+@file:Suppress("ConstPropertyName")
+
+package io.ktor.htmx
+
+/**
+ * Constants for "hx-swap" values.
+ *
+ * @see [Official documentation](https://htmx.org/attributes/hx-swap/)
+ */
+public object HxSwap {
+    /**
+     * Replace the inner HTML of the target element
+     */
+    public const val innerHtml: String = "innerHtml"
+
+    /**
+     * Replace the entire target element with the response
+     */
+    public const val outerHtml: String = "outerHTML"
+
+    /**
+     * Replace the text content of the target element, without parsing the response as HTML
+     */
+    public const val textContent: String = "textContent"
+
+    /**
+     * Insert the response before the target element
+     */
+    public const val beforeBegin: String = "beforebegin"
+
+    /**
+     * Insert the response before the first child of the target element
+     */
+    public const val afterBegin: String = "afterbegin"
+
+    /**
+     * Insert the response after the last child of the target element
+     */
+    public const val beforeEnd: String = "beforeend"
+
+    /**
+     * Insert the response after the target element
+     */
+    public const val afterEnd: String = "afterend"
+
+    /**
+     * Deletes the target element regardless of the response
+     */
+    public const val delete: String = "delete"
+
+    /**
+     * Does not append content from response (out of band items will still be processed)
+     */
+    public const val none: String = "none"
+}
diff --git a/ktor-shared/ktor-htmx/ktor-htmx-html/api/ktor-htmx-html.api b/ktor-shared/ktor-htmx/ktor-htmx-html/api/ktor-htmx-html.api
new file mode 100644
index 00000000000..5e5ef10700a
--- /dev/null
+++ b/ktor-shared/ktor-htmx/ktor-htmx-html/api/ktor-htmx-html.api
@@ -0,0 +1,51 @@
+public final class io/ktor/htmx/html/HxAttributes : io/ktor/util/collections/StringMapDelegate {
+	public fun <init> (Lkotlinx/html/impl/DelegatingMap;)V
+	public fun get (Ljava/lang/String;)Ljava/lang/String;
+	public final fun getGet ()Ljava/lang/String;
+	public synthetic fun getMap ()Ljava/util/Map;
+	public fun getMap ()Lkotlinx/html/impl/DelegatingMap;
+	public final fun getOn-6sA4otk ()Ljava/util/Map;
+	public final fun getPost ()Ljava/lang/String;
+	public final fun getPushUrl ()Ljava/lang/String;
+	public final fun getSelect ()Ljava/lang/String;
+	public final fun getSelectOob ()Ljava/lang/String;
+	public final fun getSwap ()Ljava/lang/String;
+	public final fun getSwapOob ()Ljava/lang/String;
+	public final fun getTarget ()Ljava/lang/String;
+	public final fun getTrigger ()Ljava/lang/String;
+	public final fun getVals ()Ljava/lang/String;
+	public final fun on (Ljava/lang/String;Ljava/lang/String;)V
+	public fun remove (Ljava/lang/String;)Ljava/lang/String;
+	public fun set (Ljava/lang/String;Ljava/lang/String;)V
+	public final fun setGet (Ljava/lang/String;)V
+	public final fun setPost (Ljava/lang/String;)V
+	public final fun setPushUrl (Ljava/lang/String;)V
+	public final fun setSelect (Ljava/lang/String;)V
+	public final fun setSelectOob (Ljava/lang/String;)V
+	public final fun setSwap (Ljava/lang/String;)V
+	public final fun setSwapOob (Ljava/lang/String;)V
+	public final fun setTarget (Ljava/lang/String;)V
+	public final fun setTrigger (Ljava/lang/String;)V
+	public final fun setVals (Ljava/lang/String;)V
+}
+
+public final class io/ktor/htmx/html/HxAttributes$On {
+	public static final synthetic fun box-impl (Ljava/util/Map;)Lio/ktor/htmx/html/HxAttributes$On;
+	public static fun constructor-impl (Ljava/util/Map;)Ljava/util/Map;
+	public fun equals (Ljava/lang/Object;)Z
+	public static fun equals-impl (Ljava/util/Map;Ljava/lang/Object;)Z
+	public static final fun equals-impl0 (Ljava/util/Map;Ljava/util/Map;)Z
+	public static final fun get-impl (Ljava/util/Map;Ljava/lang/String;)Ljava/lang/String;
+	public fun hashCode ()I
+	public static fun hashCode-impl (Ljava/util/Map;)I
+	public static final fun set-impl (Ljava/util/Map;Ljava/lang/String;Ljava/lang/String;)V
+	public fun toString ()Ljava/lang/String;
+	public static fun toString-impl (Ljava/util/Map;)Ljava/lang/String;
+	public final synthetic fun unbox-impl ()Ljava/util/Map;
+}
+
+public final class io/ktor/htmx/html/HxAttributesKt {
+	public static final fun getHx (Lkotlinx/html/impl/DelegatingMap;)Lio/ktor/htmx/html/HxAttributes;
+	public static final fun hx (Lkotlinx/html/impl/DelegatingMap;Lkotlin/jvm/functions/Function1;)V
+}
+
diff --git a/ktor-shared/ktor-htmx/ktor-htmx-html/api/ktor-htmx-html.klib.api b/ktor-shared/ktor-htmx/ktor-htmx-html/api/ktor-htmx-html.klib.api
new file mode 100644
index 00000000000..4b7d507dca9
--- /dev/null
+++ b/ktor-shared/ktor-htmx/ktor-htmx-html/api/ktor-htmx-html.klib.api
@@ -0,0 +1,64 @@
+// Klib ABI Dump
+// Targets: [androidNativeArm32, androidNativeArm64, androidNativeX64, androidNativeX86, iosArm64, iosSimulatorArm64, iosX64, js, linuxArm64, linuxX64, macosArm64, macosX64, mingwX64, tvosArm64, tvosSimulatorArm64, tvosX64, wasmJs, watchosArm32, watchosArm64, watchosDeviceArm64, watchosSimulatorArm64, watchosX64]
+// Rendering settings:
+// - Signature version: 2
+// - Show manifest properties: true
+// - Show declarations: true
+
+// Library unique name: <io.ktor:ktor-htmx-html>
+final class io.ktor.htmx.html/HxAttributes : io.ktor.util.collections/StringMapDelegate { // io.ktor.htmx.html/HxAttributes|null[0]
+    constructor <init>(kotlinx.html.impl/DelegatingMap) // io.ktor.htmx.html/HxAttributes.<init>|<init>(kotlinx.html.impl.DelegatingMap){}[0]
+
+    final val map // io.ktor.htmx.html/HxAttributes.map|{}map[0]
+        final fun <get-map>(): kotlinx.html.impl/DelegatingMap // io.ktor.htmx.html/HxAttributes.map.<get-map>|<get-map>(){}[0]
+    final val on // io.ktor.htmx.html/HxAttributes.on|{}on[0]
+        final fun <get-on>(): io.ktor.htmx.html/HxAttributes.On // io.ktor.htmx.html/HxAttributes.on.<get-on>|<get-on>(){}[0]
+
+    final var get // io.ktor.htmx.html/HxAttributes.get|{}get[0]
+        final fun <get-get>(): kotlin/String? // io.ktor.htmx.html/HxAttributes.get.<get-get>|<get-get>(){}[0]
+        final fun <set-get>(kotlin/String?) // io.ktor.htmx.html/HxAttributes.get.<set-get>|<set-get>(kotlin.String?){}[0]
+    final var post // io.ktor.htmx.html/HxAttributes.post|{}post[0]
+        final fun <get-post>(): kotlin/String? // io.ktor.htmx.html/HxAttributes.post.<get-post>|<get-post>(){}[0]
+        final fun <set-post>(kotlin/String?) // io.ktor.htmx.html/HxAttributes.post.<set-post>|<set-post>(kotlin.String?){}[0]
+    final var pushUrl // io.ktor.htmx.html/HxAttributes.pushUrl|{}pushUrl[0]
+        final fun <get-pushUrl>(): kotlin/String? // io.ktor.htmx.html/HxAttributes.pushUrl.<get-pushUrl>|<get-pushUrl>(){}[0]
+        final fun <set-pushUrl>(kotlin/String?) // io.ktor.htmx.html/HxAttributes.pushUrl.<set-pushUrl>|<set-pushUrl>(kotlin.String?){}[0]
+    final var select // io.ktor.htmx.html/HxAttributes.select|{}select[0]
+        final fun <get-select>(): kotlin/String? // io.ktor.htmx.html/HxAttributes.select.<get-select>|<get-select>(){}[0]
+        final fun <set-select>(kotlin/String?) // io.ktor.htmx.html/HxAttributes.select.<set-select>|<set-select>(kotlin.String?){}[0]
+    final var selectOob // io.ktor.htmx.html/HxAttributes.selectOob|{}selectOob[0]
+        final fun <get-selectOob>(): kotlin/String? // io.ktor.htmx.html/HxAttributes.selectOob.<get-selectOob>|<get-selectOob>(){}[0]
+        final fun <set-selectOob>(kotlin/String?) // io.ktor.htmx.html/HxAttributes.selectOob.<set-selectOob>|<set-selectOob>(kotlin.String?){}[0]
+    final var swap // io.ktor.htmx.html/HxAttributes.swap|{}swap[0]
+        final fun <get-swap>(): kotlin/String? // io.ktor.htmx.html/HxAttributes.swap.<get-swap>|<get-swap>(){}[0]
+        final fun <set-swap>(kotlin/String?) // io.ktor.htmx.html/HxAttributes.swap.<set-swap>|<set-swap>(kotlin.String?){}[0]
+    final var swapOob // io.ktor.htmx.html/HxAttributes.swapOob|{}swapOob[0]
+        final fun <get-swapOob>(): kotlin/String? // io.ktor.htmx.html/HxAttributes.swapOob.<get-swapOob>|<get-swapOob>(){}[0]
+        final fun <set-swapOob>(kotlin/String?) // io.ktor.htmx.html/HxAttributes.swapOob.<set-swapOob>|<set-swapOob>(kotlin.String?){}[0]
+    final var target // io.ktor.htmx.html/HxAttributes.target|{}target[0]
+        final fun <get-target>(): kotlin/String? // io.ktor.htmx.html/HxAttributes.target.<get-target>|<get-target>(){}[0]
+        final fun <set-target>(kotlin/String?) // io.ktor.htmx.html/HxAttributes.target.<set-target>|<set-target>(kotlin.String?){}[0]
+    final var trigger // io.ktor.htmx.html/HxAttributes.trigger|{}trigger[0]
+        final fun <get-trigger>(): kotlin/String? // io.ktor.htmx.html/HxAttributes.trigger.<get-trigger>|<get-trigger>(){}[0]
+        final fun <set-trigger>(kotlin/String?) // io.ktor.htmx.html/HxAttributes.trigger.<set-trigger>|<set-trigger>(kotlin.String?){}[0]
+    final var vals // io.ktor.htmx.html/HxAttributes.vals|{}vals[0]
+        final fun <get-vals>(): kotlin/String? // io.ktor.htmx.html/HxAttributes.vals.<get-vals>|<get-vals>(){}[0]
+        final fun <set-vals>(kotlin/String?) // io.ktor.htmx.html/HxAttributes.vals.<set-vals>|<set-vals>(kotlin.String?){}[0]
+
+    final fun on(kotlin/String, kotlin/String) // io.ktor.htmx.html/HxAttributes.on|on(kotlin.String;kotlin.String){}[0]
+
+    final value class On { // io.ktor.htmx.html/HxAttributes.On|null[0]
+        constructor <init>(kotlin.collections/MutableMap<kotlin/String, kotlin/String>) // io.ktor.htmx.html/HxAttributes.On.<init>|<init>(kotlin.collections.MutableMap<kotlin.String,kotlin.String>){}[0]
+
+        final fun equals(kotlin/Any?): kotlin/Boolean // io.ktor.htmx.html/HxAttributes.On.equals|equals(kotlin.Any?){}[0]
+        final fun get(kotlin/String): kotlin/String? // io.ktor.htmx.html/HxAttributes.On.get|get(kotlin.String){}[0]
+        final fun hashCode(): kotlin/Int // io.ktor.htmx.html/HxAttributes.On.hashCode|hashCode(){}[0]
+        final fun set(kotlin/String, kotlin/String?) // io.ktor.htmx.html/HxAttributes.On.set|set(kotlin.String;kotlin.String?){}[0]
+        final fun toString(): kotlin/String // io.ktor.htmx.html/HxAttributes.On.toString|toString(){}[0]
+    }
+}
+
+final val io.ktor.htmx.html/hx // io.ktor.htmx.html/hx|@kotlinx.html.impl.DelegatingMap{}hx[0]
+    final fun (kotlinx.html.impl/DelegatingMap).<get-hx>(): io.ktor.htmx.html/HxAttributes // io.ktor.htmx.html/hx.<get-hx>|<get-hx>@kotlinx.html.impl.DelegatingMap(){}[0]
+
+final inline fun (kotlinx.html.impl/DelegatingMap).io.ktor.htmx.html/hx(kotlin/Function1<io.ktor.htmx.html/HxAttributes, kotlin/Unit>) // io.ktor.htmx.html/hx|hx@kotlinx.html.impl.DelegatingMap(kotlin.Function1<io.ktor.htmx.html.HxAttributes,kotlin.Unit>){}[0]
diff --git a/ktor-shared/ktor-htmx/ktor-htmx-html/build.gradle.kts b/ktor-shared/ktor-htmx/ktor-htmx-html/build.gradle.kts
new file mode 100644
index 00000000000..cbeed0c2b3c
--- /dev/null
+++ b/ktor-shared/ktor-htmx/ktor-htmx-html/build.gradle.kts
@@ -0,0 +1,16 @@
+/*
+ * Copyright 2014-2025 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+description = "HTMX support for the Kotlin HTML DSL"
+
+kotlin.sourceSets {
+    commonMain {
+        dependencies {
+            api(libs.kotlinx.html)
+            api(project(":ktor-shared:ktor-htmx"))
+            implementation(project(":ktor-utils"))
+        }
+    }
+}
+
diff --git a/ktor-shared/ktor-htmx/ktor-htmx-html/common/src/io/ktor/htmx/html/HxAttributes.kt b/ktor-shared/ktor-htmx/ktor-htmx-html/common/src/io/ktor/htmx/html/HxAttributes.kt
new file mode 100644
index 00000000000..b9b7b38a561
--- /dev/null
+++ b/ktor-shared/ktor-htmx/ktor-htmx-html/common/src/io/ktor/htmx/html/HxAttributes.kt
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2014-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package io.ktor.htmx.html
+
+import io.ktor.htmx.*
+import io.ktor.util.collections.*
+import io.ktor.utils.io.*
+import kotlinx.html.HtmlTagMarker
+import kotlinx.html.impl.DelegatingMap
+import kotlin.jvm.JvmInline
+
+@ExperimentalHtmxApi
+public val DelegatingMap.hx: HxAttributes get() = HxAttributes(this)
+
+@ExperimentalHtmxApi
+public inline fun DelegatingMap.hx(block: HxAttributes.() -> Unit) {
+    hx.block()
+}
+
+@ExperimentalHtmxApi
+@HtmlTagMarker
+@OptIn(InternalAPI::class)
+public class HxAttributes(override val map: DelegatingMap) : StringMapDelegate {
+    public var get: String? by HxAttributeKeys.Get
+    public var post: String? by HxAttributeKeys.Post
+    public var pushUrl: String? by HxAttributeKeys.PushUrl
+    public var select: String? by HxAttributeKeys.Select
+    public var selectOob: String? by HxAttributeKeys.SelectOob
+    public var swap: String? by HxAttributeKeys.Swap
+    public var swapOob: String? by HxAttributeKeys.SwapOob
+    public var target: String? by HxAttributeKeys.Target
+    public var trigger: String? by HxAttributeKeys.Trigger
+    public var vals: String? by HxAttributeKeys.Vals
+
+    public val on: On
+        get() = On(map)
+
+    public fun on(event: String, script: String) {
+        map["hx-on:$event"] = script
+    }
+
+    @JvmInline
+    public value class On(private val attributes: MutableMap<String, String>) {
+        public operator fun set(event: String, script: String?) {
+            if (script == null) {
+                attributes.remove("${HxAttributeKeys.On}:$event")
+            } else {
+                attributes["${HxAttributeKeys.On}:$event"] = script
+            }
+        }
+
+        public operator fun get(event: String): String? = attributes["${HxAttributeKeys.On}:$event"]
+    }
+}
diff --git a/ktor-shared/ktor-htmx/ktor-htmx-html/common/test/io/ktor/htmx/html/HxAttributesTest.kt b/ktor-shared/ktor-htmx/ktor-htmx-html/common/test/io/ktor/htmx/html/HxAttributesTest.kt
new file mode 100644
index 00000000000..13cc1eaeb75
--- /dev/null
+++ b/ktor-shared/ktor-htmx/ktor-htmx-html/common/test/io/ktor/htmx/html/HxAttributesTest.kt
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2014-2025 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package io.ktor.htmx.html
+
+import io.ktor.htmx.ExperimentalHtmxApi
+import io.ktor.htmx.HxSwap
+import kotlinx.html.body
+import kotlinx.html.button
+import kotlinx.html.html
+import kotlinx.html.stream.appendHTML
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class HxAttributesTest {
+
+    @OptIn(ExperimentalHtmxApi::class)
+    @Test
+    fun htmxAttributes() {
+        val actual = buildString {
+            appendHTML(prettyPrint = true).html {
+                body {
+                    button {
+                        attributes.hx {
+                            get = "/?page=1"
+                            target = "#replaceMe"
+                            swap = HxSwap.outerHtml
+                            trigger = "click[console.log('Hello!')||true]"
+                        }
+                    }
+                }
+            }
+        }
+        assertEquals(
+            """
+            <html>
+              <body><button hx-get="/?page=1" hx-target="#replaceMe" hx-swap="outerHTML" hx-trigger="click[console.log('Hello!')||true]"></button></body>
+            </html>
+            """.trimIndent(),
+            actual.trim()
+        )
+    }
+}
diff --git a/ktor-utils/api/ktor-utils.api b/ktor-utils/api/ktor-utils.api
index e9ff2665b3e..30491e807d6 100644
--- a/ktor-utils/api/ktor-utils.api
+++ b/ktor-utils/api/ktor-utils.api
@@ -587,6 +587,37 @@ public final class io/ktor/util/collections/CopyOnWriteHashMap {
 	public final fun set (Ljava/lang/Object;Ljava/lang/Object;)V
 }
 
+public final class io/ktor/util/collections/MapDelegatesKt {
+	public static final fun asBoolean (Ljava/lang/String;)Lio/ktor/util/collections/SerializedMapValue;
+	public static final fun getValue (Lio/ktor/util/collections/SerializedMapValue;Lio/ktor/util/collections/StringMap;Lkotlin/reflect/KProperty;)Ljava/lang/Object;
+	public static final fun getValue (Ljava/lang/String;Lio/ktor/util/collections/StringMap;Lkotlin/reflect/KProperty;)Ljava/lang/String;
+	public static final fun setValue (Lio/ktor/util/collections/SerializedMapValue;Lio/ktor/util/collections/StringMap;Lkotlin/reflect/KProperty;Ljava/lang/Object;)V
+	public static final fun setValue (Ljava/lang/String;Lio/ktor/util/collections/StringMap;Lkotlin/reflect/KProperty;Ljava/lang/String;)V
+}
+
+public final class io/ktor/util/collections/SerializedMapValue {
+	public fun <init> (Ljava/lang/String;Lkotlin/jvm/functions/Function1;Lkotlin/jvm/functions/Function1;)V
+}
+
+public abstract interface class io/ktor/util/collections/StringMap {
+	public abstract fun get (Ljava/lang/String;)Ljava/lang/String;
+	public abstract fun remove (Ljava/lang/String;)Ljava/lang/String;
+	public abstract fun set (Ljava/lang/String;Ljava/lang/String;)V
+}
+
+public abstract interface class io/ktor/util/collections/StringMapDelegate : io/ktor/util/collections/StringMap {
+	public abstract fun get (Ljava/lang/String;)Ljava/lang/String;
+	public abstract fun getMap ()Ljava/util/Map;
+	public abstract fun remove (Ljava/lang/String;)Ljava/lang/String;
+	public abstract fun set (Ljava/lang/String;Ljava/lang/String;)V
+}
+
+public final class io/ktor/util/collections/StringMapDelegate$DefaultImpls {
+	public static fun get (Lio/ktor/util/collections/StringMapDelegate;Ljava/lang/String;)Ljava/lang/String;
+	public static fun remove (Lio/ktor/util/collections/StringMapDelegate;Ljava/lang/String;)Ljava/lang/String;
+	public static fun set (Lio/ktor/util/collections/StringMapDelegate;Ljava/lang/String;Ljava/lang/String;)V
+}
+
 public abstract interface class io/ktor/util/converters/ConversionService {
 	public abstract fun fromValues (Ljava/util/List;Lio/ktor/util/reflect/TypeInfo;)Ljava/lang/Object;
 	public abstract fun toValues (Ljava/lang/Object;)Ljava/util/List;
diff --git a/ktor-utils/api/ktor-utils.klib.api b/ktor-utils/api/ktor-utils.klib.api
index 7d3bdf0f4da..8219bd27571 100644
--- a/ktor-utils/api/ktor-utils.klib.api
+++ b/ktor-utils/api/ktor-utils.klib.api
@@ -75,6 +75,21 @@ final enum class io.ktor.util.logging/LogLevel : kotlin/Enum<io.ktor.util.loggin
     enum entry NONE // io.ktor.util.logging/LogLevel.NONE|null[0]
 }
 
+abstract interface io.ktor.util.collections/StringMap { // io.ktor.util.collections/StringMap|null[0]
+    abstract fun get(kotlin/String): kotlin/String? // io.ktor.util.collections/StringMap.get|get(kotlin.String){}[0]
+    abstract fun remove(kotlin/String): kotlin/String? // io.ktor.util.collections/StringMap.remove|remove(kotlin.String){}[0]
+    abstract fun set(kotlin/String, kotlin/String) // io.ktor.util.collections/StringMap.set|set(kotlin.String;kotlin.String){}[0]
+}
+
+abstract interface io.ktor.util.collections/StringMapDelegate : io.ktor.util.collections/StringMap { // io.ktor.util.collections/StringMapDelegate|null[0]
+    abstract val map // io.ktor.util.collections/StringMapDelegate.map|{}map[0]
+        abstract fun <get-map>(): kotlin.collections/MutableMap<kotlin/String, kotlin/String> // io.ktor.util.collections/StringMapDelegate.map.<get-map>|<get-map>(){}[0]
+
+    open fun get(kotlin/String): kotlin/String? // io.ktor.util.collections/StringMapDelegate.get|get(kotlin.String){}[0]
+    open fun remove(kotlin/String): kotlin/String? // io.ktor.util.collections/StringMapDelegate.remove|remove(kotlin.String){}[0]
+    open fun set(kotlin/String, kotlin/String) // io.ktor.util.collections/StringMapDelegate.set|set(kotlin.String;kotlin.String){}[0]
+}
+
 abstract interface io.ktor.util.converters/ConversionService { // io.ktor.util.converters/ConversionService|null[0]
     abstract fun fromValues(kotlin.collections/List<kotlin/String>, io.ktor.util.reflect/TypeInfo): kotlin/Any? // io.ktor.util.converters/ConversionService.fromValues|fromValues(kotlin.collections.List<kotlin.String>;io.ktor.util.reflect.TypeInfo){}[0]
     abstract fun toValues(kotlin/Any?): kotlin.collections/List<kotlin/String> // io.ktor.util.converters/ConversionService.toValues|toValues(kotlin.Any?){}[0]
@@ -293,6 +308,10 @@ final class <#A: kotlin/Any?, #B: kotlin/Any?> io.ktor.util.collections/Concurre
     final fun toString(): kotlin/String // io.ktor.util.collections/ConcurrentMap.toString|toString(){}[0]
 }
 
+final class <#A: kotlin/Any?> io.ktor.util.collections/SerializedMapValue { // io.ktor.util.collections/SerializedMapValue|null[0]
+    constructor <init>(kotlin/String, kotlin/Function1<#A, kotlin/String>, kotlin/Function1<kotlin/String, #A>) // io.ktor.util.collections/SerializedMapValue.<init>|<init>(kotlin.String;kotlin.Function1<1:0,kotlin.String>;kotlin.Function1<kotlin.String,1:0>){}[0]
+}
+
 final class io.ktor.util.cio/ChannelReadException : io.ktor.util.cio/ChannelIOException { // io.ktor.util.cio/ChannelReadException|null[0]
     constructor <init>(kotlin/String = ..., kotlin/Throwable) // io.ktor.util.cio/ChannelReadException.<init>|<init>(kotlin.String;kotlin.Throwable){}[0]
 }
@@ -928,6 +947,9 @@ final fun (kotlin/Any).io.ktor.util.reflect/instanceOf(kotlin.reflect/KClass<*>)
 final fun (kotlin/ByteArray).io.ktor.util/encodeBase64(): kotlin/String // io.ktor.util/encodeBase64|encodeBase64@kotlin.ByteArray(){}[0]
 final fun (kotlin/ByteArray).io.ktor.util/readShort(kotlin/Int): kotlin/Short // io.ktor.util/readShort|readShort@kotlin.ByteArray(kotlin.Int){}[0]
 final fun (kotlin/Char).io.ktor.util/isLowerCase(): kotlin/Boolean // io.ktor.util/isLowerCase|isLowerCase@kotlin.Char(){}[0]
+final fun (kotlin/String).io.ktor.util.collections/asBoolean(): io.ktor.util.collections/SerializedMapValue<kotlin/Boolean> // io.ktor.util.collections/asBoolean|asBoolean@kotlin.String(){}[0]
+final fun (kotlin/String).io.ktor.util.collections/getValue(io.ktor.util.collections/StringMap, kotlin.reflect/KProperty<*>): kotlin/String? // io.ktor.util.collections/getValue|getValue@kotlin.String(io.ktor.util.collections.StringMap;kotlin.reflect.KProperty<*>){}[0]
+final fun (kotlin/String).io.ktor.util.collections/setValue(io.ktor.util.collections/StringMap, kotlin.reflect/KProperty<*>, kotlin/String?) // io.ktor.util.collections/setValue|setValue@kotlin.String(io.ktor.util.collections.StringMap;kotlin.reflect.KProperty<*>;kotlin.String?){}[0]
 final fun (kotlin/String).io.ktor.util/decodeBase64Bytes(): kotlin/ByteArray // io.ktor.util/decodeBase64Bytes|decodeBase64Bytes@kotlin.String(){}[0]
 final fun (kotlin/String).io.ktor.util/decodeBase64String(): kotlin/String // io.ktor.util/decodeBase64String|decodeBase64String@kotlin.String(){}[0]
 final fun (kotlin/String).io.ktor.util/encodeBase64(): kotlin/String // io.ktor.util/encodeBase64|encodeBase64@kotlin.String(){}[0]
@@ -942,6 +964,8 @@ final fun (kotlinx.io/Source).io.ktor.util/encodeBase64(): kotlin/String // io.k
 final fun <#A: kotlin/Any, #B: kotlin/Any> io.ktor.util.collections/sharedMap(kotlin/Int = ...): kotlin.collections/MutableMap<#A, #B> // io.ktor.util.collections/sharedMap|sharedMap(kotlin.Int){0§<kotlin.Any>;1§<kotlin.Any>}[0]
 final fun <#A: kotlin/Any> io.ktor.util.collections/ConcurrentSet(): kotlin.collections/MutableSet<#A> // io.ktor.util.collections/ConcurrentSet|ConcurrentSet(){0§<kotlin.Any>}[0]
 final fun <#A: kotlin/Any> io.ktor.util/caseInsensitiveMap(): kotlin.collections/MutableMap<kotlin/String, #A> // io.ktor.util/caseInsensitiveMap|caseInsensitiveMap(){0§<kotlin.Any>}[0]
+final fun <#A: kotlin/Any?> (io.ktor.util.collections/SerializedMapValue<#A>).io.ktor.util.collections/getValue(io.ktor.util.collections/StringMap, kotlin.reflect/KProperty<*>): #A? // io.ktor.util.collections/getValue|getValue@io.ktor.util.collections.SerializedMapValue<0:0>(io.ktor.util.collections.StringMap;kotlin.reflect.KProperty<*>){0§<kotlin.Any?>}[0]
+final fun <#A: kotlin/Any?> (io.ktor.util.collections/SerializedMapValue<#A>).io.ktor.util.collections/setValue(io.ktor.util.collections/StringMap, kotlin.reflect/KProperty<*>, #A?) // io.ktor.util.collections/setValue|setValue@io.ktor.util.collections.SerializedMapValue<0:0>(io.ktor.util.collections.StringMap;kotlin.reflect.KProperty<*>;0:0?){0§<kotlin.Any?>}[0]
 final fun <#A: kotlin/Any?> (kotlin.collections/Set<#A>).io.ktor.util/unmodifiable(): kotlin.collections/Set<#A> // io.ktor.util/unmodifiable|unmodifiable@kotlin.collections.Set<0:0>(){0§<kotlin.Any?>}[0]
 final fun <#A: kotlin/Any?> io.ktor.util.collections/sharedList(): kotlin.collections/MutableList<#A> // io.ktor.util.collections/sharedList|sharedList(){0§<kotlin.Any?>}[0]
 final fun <#A: kotlin/Any?> io.ktor.util.collections/sharedListOf(kotlin/Array<out #A>...): kotlin.collections/MutableList<#A> // io.ktor.util.collections/sharedListOf|sharedListOf(kotlin.Array<out|0:0>...){0§<kotlin.Any?>}[0]
diff --git a/ktor-utils/common/src/io/ktor/util/collections/MapDelegates.kt b/ktor-utils/common/src/io/ktor/util/collections/MapDelegates.kt
new file mode 100644
index 00000000000..9ee9e75df15
--- /dev/null
+++ b/ktor-utils/common/src/io/ktor/util/collections/MapDelegates.kt
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2014-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package io.ktor.util.collections
+
+import io.ktor.utils.io.InternalAPI
+import kotlin.reflect.KProperty
+
+@InternalAPI
+public interface StringMap {
+    public operator fun set(key: String, value: String)
+    public operator fun get(key: String): String?
+    public fun remove(key: String): String?
+}
+
+@InternalAPI
+public interface StringMapDelegate : StringMap {
+    public val map: MutableMap<String, String>
+
+    override fun set(key: String, value: String): Unit = map.set(key, value)
+    override fun get(key: String): String? = map[key]
+    override fun remove(key: String): String? = map.remove(key)
+}
+
+/**
+ * Simplifies property access delegation for string maps when using a string constant.
+ */
+@InternalAPI
+public operator fun String.getValue(thisRef: StringMap, property: KProperty<*>): String? =
+    thisRef[this]
+
+/**
+ * Simplifies property assignment delegation for string maps when using a string constant.
+ */
+@InternalAPI
+public operator fun String.setValue(thisRef: StringMap, property: KProperty<*>, value: String?) {
+    if (value == null) {
+        thisRef.remove(this)
+    } else {
+        thisRef[this] = value
+    }
+}
+
+/**
+ * Simplifies property access delegation for HxAttributes when setting attribute values from a string constant.
+ */
+@InternalAPI
+public operator fun <T> SerializedMapValue<T>.getValue(thisRef: StringMap, property: KProperty<*>): T? =
+    thisRef[key]?.let(deserialize)
+
+/**
+ * Simplifies property assignment delegation for HxAttributes when setting attribute values from a string constant.
+ */
+@InternalAPI
+public operator fun <T> SerializedMapValue<T>.setValue(thisRef: StringMap, property: KProperty<*>, value: T?) {
+    if (value == null) {
+        thisRef.remove(key)
+    } else {
+        thisRef[key] = serialize(value)
+    }
+}
+
+/**
+ * Treat the map key properties as a [Boolean]
+ */
+@InternalAPI
+public fun String.asBoolean(): SerializedMapValue<Boolean> =
+    SerializedMapValue(this, Boolean::toString, String::toBoolean)
+
+/**
+ * Simple type for handling serialization with [StringMap] delegation.
+ */
+@InternalAPI
+public class SerializedMapValue<T>(
+    internal val key: String,
+    internal val serialize: (T) -> String,
+    internal val deserialize: (String) -> T
+)
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 38cb1258345..31f5ba09be6 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -88,6 +88,7 @@ include(":ktor-server:ktor-server-plugins:ktor-server-forwarded-header")
 include(":ktor-server:ktor-server-plugins:ktor-server-freemarker")
 include(":ktor-server:ktor-server-plugins:ktor-server-hsts")
 include(":ktor-server:ktor-server-plugins:ktor-server-html-builder")
+include(":ktor-server:ktor-server-plugins:ktor-server-htmx")
 include(":ktor-server:ktor-server-plugins:ktor-server-http-redirect")
 include(":ktor-server:ktor-server-plugins:ktor-server-jte")
 include(":ktor-server:ktor-server-plugins:ktor-server-metrics")
@@ -136,5 +137,7 @@ include(":ktor-shared:ktor-events")
 include(":ktor-shared:ktor-websocket-serialization")
 include(":ktor-shared:ktor-websockets")
 include(":ktor-shared:ktor-sse")
+include(":ktor-shared:ktor-htmx")
+include(":ktor-shared:ktor-htmx:ktor-htmx-html")
 include(":ktor-shared:ktor-test-base")
 include(":ktor-java-modules-test")