diff --git a/gravitee-apim-definition/gravitee-apim-definition-model/src/main/java/io/gravitee/definition/model/kubernetes/v1alpha1/ApiDefinitionResource.java b/gravitee-apim-definition/gravitee-apim-definition-model/src/main/java/io/gravitee/definition/model/kubernetes/v1alpha1/ApiDefinitionResource.java
index 82d531cc2f9..24128cad045 100644
--- a/gravitee-apim-definition/gravitee-apim-definition-model/src/main/java/io/gravitee/definition/model/kubernetes/v1alpha1/ApiDefinitionResource.java
+++ b/gravitee-apim-definition/gravitee-apim-definition-model/src/main/java/io/gravitee/definition/model/kubernetes/v1alpha1/ApiDefinitionResource.java
@@ -171,7 +171,7 @@ private void removeUnsupportedFields() {
         if (spec.hasNonNull(PROXY_FIELD)) {
             var proxy = getSpec().get(PROXY_FIELD);
             if (proxy.hasNonNull(ENDPOINT_GROUPS_FIELD)) {
-                proxy.get(ENDPOINT_GROUPS_FIELD).forEach(this::removeUnsupportedEndpointGroupFields);
+                proxy.get(ENDPOINT_GROUPS_FIELD).forEach(this::prepareEndpointGroup);
             }
         }
     }
@@ -190,4 +190,29 @@ private JsonNode mapPages(ArrayNode pages) {
         }
         return pagesMap;
     }
+
+    private void prepareEndpointGroup(JsonNode group) {
+        removeUnsupportedEndpointGroupFields(group);
+        replaceEndpointHeaders((ObjectNode) group);
+        if (group.hasNonNull(ENDPOINTS_FIELD)) {
+            var endpoints = (ArrayNode) group.get(ENDPOINTS_FIELD);
+            endpoints.forEach(endpoint -> replaceEndpointHeaders((ObjectNode) endpoint));
+        }
+    }
+
+    private void replaceEndpointHeaders(ObjectNode endpoint) {
+        if (endpoint.has("headers")) {
+            endpoint.replace("headers", mapHeaders((ArrayNode) endpoint.get("headers")));
+        }
+    }
+
+    private ObjectNode mapHeaders(ArrayNode headers) {
+        var headerMap = JsonNodeFactory.instance.objectNode();
+        headers.forEach(header -> {
+            var name = header.get("name").asText();
+            var value = header.get("value").asText();
+            headerMap.put(name, value);
+        });
+        return headerMap;
+    }
 }
diff --git a/gravitee-apim-definition/gravitee-apim-definition-model/src/test/java/io/gravitee/definition/model/kubernetes/v1alpha1/ApiDefinitionResourceTest.java b/gravitee-apim-definition/gravitee-apim-definition-model/src/test/java/io/gravitee/definition/model/kubernetes/v1alpha1/ApiDefinitionResourceTest.java
index 376eac2ed2c..8de15015144 100644
--- a/gravitee-apim-definition/gravitee-apim-definition-model/src/test/java/io/gravitee/definition/model/kubernetes/v1alpha1/ApiDefinitionResourceTest.java
+++ b/gravitee-apim-definition/gravitee-apim-definition-model/src/test/java/io/gravitee/definition/model/kubernetes/v1alpha1/ApiDefinitionResourceTest.java
@@ -87,6 +87,19 @@ public void shouldMapPages() throws Exception {
         assertFalse(page.has("contentType"));
     }
 
+    @Test
+    void shouldMapHeadersToMap() throws Exception {
+        var resource = new ApiDefinitionResource("api-definition", readDefinition("api-definition.json"));
+        var proxy = (ObjectNode) resource.getSpec().get("proxy");
+        assertTrue(proxy.has("groups"));
+        var groups = (ArrayNode) proxy.get("groups");
+        assertEquals(1, groups.size());
+        var group = groups.get(0);
+        assertTrue(group.has("headers"));
+        var headers = group.get("headers");
+        assertEquals("true", headers.get("x-test").asText());
+    }
+
     @Test
     public void shouldMapPageWithoutName() throws Exception {
         ApiDefinitionResource resource = new ApiDefinitionResource(
diff --git a/gravitee-apim-definition/gravitee-apim-definition-model/src/test/resources/io/gravitee/definition/model/kubernetes/v1alpha1/api-definition.json b/gravitee-apim-definition/gravitee-apim-definition-model/src/test/resources/io/gravitee/definition/model/kubernetes/v1alpha1/api-definition.json
index 866dbd8ec79..6bc487d3322 100644
--- a/gravitee-apim-definition/gravitee-apim-definition-model/src/test/resources/io/gravitee/definition/model/kubernetes/v1alpha1/api-definition.json
+++ b/gravitee-apim-definition/gravitee-apim-definition-model/src/test/resources/io/gravitee/definition/model/kubernetes/v1alpha1/api-definition.json
@@ -146,7 +146,13 @@
           "maxConcurrentConnections": 100,
           "useCompression": true,
           "followRedirects": false
-        }
+        },
+        "headers": [
+          {
+            "name": "x-test",
+            "value": "true"
+          }
+        ]
       }
     ]
   },
diff --git a/gravitee-apim-rest-api/gravitee-apim-rest-api-service/src/main/java/io/gravitee/rest/api/service/impl/ApiExportServiceImpl.java b/gravitee-apim-rest-api/gravitee-apim-rest-api-service/src/main/java/io/gravitee/rest/api/service/impl/ApiExportServiceImpl.java
index 46ee43bf302..62c421040e9 100644
--- a/gravitee-apim-rest-api/gravitee-apim-rest-api-service/src/main/java/io/gravitee/rest/api/service/impl/ApiExportServiceImpl.java
+++ b/gravitee-apim-rest-api/gravitee-apim-rest-api-service/src/main/java/io/gravitee/rest/api/service/impl/ApiExportServiceImpl.java
@@ -20,6 +20,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.fasterxml.jackson.databind.node.BooleanNode;
+import com.fasterxml.jackson.databind.node.JsonNodeFactory;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import io.gravitee.apim.core.api.model.Path;
 import io.gravitee.common.component.Lifecycle;