diff --git a/README.md b/README.md
index d8a1da89..6e4becaa 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@
 
 Official JavaScript SDK for [Deepgram](https://www.deepgram.com/). Power your apps with world-class speech and Language AI models.
 
+- [Migrating from v2](#migrating-from-v2)
 - [Installation](#installation)
   - [UMD](#umd)
   - [ESM](#esm)
@@ -11,9 +12,13 @@ Official JavaScript SDK for [Deepgram](https://www.deepgram.com/). Power your ap
   - [Getting an API Key](#getting-an-api-key)
 - [Scoped Configuration](#scoped-configuration)
   - [Rest requests in the browser](#rest-requests-in-the-browser)
-- [Transcription](#transcription)
+- [Transcription (Synchronous)](#transcription-synchronous)
   - [Remote Files](#remote-files)
   - [Local Files](#local-files)
+- [Transcription (Asynchronous / Callbacks)](#transcription-asynchronous--callbacks)
+  - [Remote Files](#remote-files-1)
+  - [Local Files](#local-files-1)
+- [Transcription (Live / Streaming)](#transcription-live--streaming)
   - [Live Audio](#live-audio)
 - [Transcribing to captions](#transcribing-to-captions)
 - [Projects](#projects)
@@ -51,8 +56,13 @@ Official JavaScript SDK for [Deepgram](https://www.deepgram.com/). Power your ap
   - [Create On-Prem credentials](#create-on-prem-credentials)
   - [Delete On-Prem credentials](#delete-on-prem-credentials)
 - [Development and Contributing](#development-and-contributing)
+  - [Debugging and making changes locally](#debugging-and-making-changes-locally)
 - [Getting Help](#getting-help)
 
+# Migrating from v2
+
+We have published [a migration guide on our docs](https://developers.deepgram.com/docs/js-sdk-v2-to-v3-migration-guide), showing how to move from v2 to v3.
+
 # Installation
 
 You can install this SDK directly from [npm](https://www.npmjs.com/package/@deepgram/sdk).
@@ -146,7 +156,7 @@ const deepgram = createClient("proxy", {
 
 Your proxy service should replace the Authorization header with `Authorization: token <DEEPGRAM_API_KEY>` and return results verbatim to the SDK.
 
-# Transcription
+# Transcription (Synchronous)
 
 ## Remote Files
 
@@ -187,6 +197,58 @@ const { result, error } = await deepgram.listen.prerecorded.transcribeFile(
 
 [See our API reference for more info](https://developers.deepgram.com/reference/pre-recorded).
 
+# Transcription (Asynchronous / Callbacks)
+
+## Remote Files
+
+```js
+import { CallbackUrl } from "@deepgram/sdk";
+
+const { result, error } = await deepgram.listen.prerecorded.transcribeUrlCallback(
+  {
+    url: "https://dpgr.am/spacewalk.wav",
+  },
+  new CallbackUrl("http://callback/endpoint"),
+  {
+    model: "nova",
+  }
+);
+```
+
+[See our API reference for more info](https://developers.deepgram.com/reference/pre-recorded).
+
+## Local Files
+
+```js
+import { CallbackUrl } from "@deepgram/sdk";
+
+const { result, error } = await deepgram.listen.prerecorded.transcribeFileCallback(
+  fs.createReadStream("./examples/spacewalk.wav"),
+  new CallbackUrl("http://callback/endpoint"),
+  {
+    model: "nova",
+  }
+);
+```
+
+or
+
+```js
+import { CallbackUrl } from "@deepgram/sdk";
+
+const { result, error } = await deepgram.listen.prerecorded.transcribeFileCallback(
+  fs.readFileSync("./examples/spacewalk.wav"),
+  new CallbackUrl("http://callback/endpoint"),
+  {
+    model: "nova",
+  }
+);
+```
+
+[See our API reference for more info](https://developers.deepgram.com/reference/pre-recorded).
+
+# Transcription (Live / Streaming)
+
 ## Live Audio
 
 ```js
@@ -499,6 +561,10 @@ To make sure our community is safe for all, be sure to review and agree to our
 [Code of Conduct](./CODE_OF_CONDUCT.md). Then see the
 [Contribution](./CONTRIBUTING.md) guidelines for more information.
 
+## Debugging and making changes locally
+
+If you want to make local changes to the SDK and run the [`examples/`](./examples/), you'll need to `npm run build` first, to ensure that your changes are included in the examples that are running.
+
 # Getting Help
 
 We love to hear from you so if you have questions, comments or find a bug in the
diff --git a/package-lock.json b/package-lock.json
index 128e531c..dd5f11f9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,11 +10,11 @@
       "license": "MIT",
       "dependencies": {
         "@deepgram/captions": "^1.1.1",
+        "@types/websocket": "^1.0.9",
         "cross-fetch": "^3.1.5",
         "deepmerge": "^4.3.1",
         "events": "^3.3.0",
-        "isomorphic-ws": "^5.0.0",
-        "ws": "^8.14.2"
+        "websocket": "^1.0.34"
       },
       "devDependencies": {
         "@commitlint/cli": "^17.6.7",
@@ -23,7 +23,6 @@
         "@flydotio/dockerfile": "^0.4.10",
         "@types/chai": "^4.3.5",
         "@types/mocha": "^9.1.1",
-        "@types/ws": "^8.5.6",
         "chai": "^4.3.7",
         "cross-env": "^7.0.3",
         "husky": "^4.3.0",
@@ -804,9 +803,9 @@
       }
     },
     "node_modules/@deepgram/captions": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/@deepgram/captions/-/captions-1.1.1.tgz",
-      "integrity": "sha512-hQ3UoV/VBrCYn11MpYo7uYaswjW8pvHDUbhiXBpiTkddp0Ojn1QmxzmWSYRCm/6vs/2aTS0gOG0ZlR2pLHx/UQ==",
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@deepgram/captions/-/captions-1.2.0.tgz",
+      "integrity": "sha512-8B1C/oTxTxyHlSFubAhNRgCbQ2SQ5wwvtlByn8sDYZvdDtdn/VE2yEPZ4BvUnrKWmsbTQY6/ooLV+9Ka2qmDSQ==",
       "dependencies": {
         "dayjs": "^1.11.10"
       },
@@ -1156,8 +1155,7 @@
     "node_modules/@types/node": {
       "version": "14.18.53",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-14.18.53.tgz",
-      "integrity": "sha512-soGmOpVBUq+gaBMwom1M+krC/NNbWlosh4AtGA03SyWNDiqSKtwp7OulO1M6+mg8YkHMvJ/y0AkCeO8d1hNb7A==",
-      "dev": true
+      "integrity": "sha512-soGmOpVBUq+gaBMwom1M+krC/NNbWlosh4AtGA03SyWNDiqSKtwp7OulO1M6+mg8YkHMvJ/y0AkCeO8d1hNb7A=="
     },
     "node_modules/@types/normalize-package-data": {
       "version": "2.4.1",
@@ -1171,11 +1169,10 @@
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       "dev": true
     },
-    "node_modules/@types/ws": {
-      "version": "8.5.6",
-      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.5.6.tgz",
-      "integrity": "sha512-8B5EO9jLVCy+B58PLHvLDuOD8DRVMgQzq8d55SjLCOn9kqGyqOvy27exVaTio1q1nX5zLu8/6N0n2ThSxOM6tg==",
-      "dev": true,
+    "node_modules/@types/websocket": {
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/@types/websocket/-/websocket-1.0.9.tgz",
+      "integrity": "sha512-xrMBdqdKdlE+7L9Wg2PQblIkZGSgiMlEoP6UAaYKMHbbxqCJ6PV/pTZ2RcMcSSERurU2TtGbmO4lqpFOJd01ww==",
       "dependencies": {
         "@types/node": "*"
       }
@@ -1704,6 +1701,18 @@
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       "dev": true
     },
+    "node_modules/bufferutil": {
+      "version": "4.0.8",
+      "resolved": "https://registry.npmjs.org/bufferutil/-/bufferutil-4.0.8.tgz",
+      "integrity": "sha512-4T53u4PdgsXqKaIctwF8ifXlRTTmEPJ8iEPWFdGZvcf7sbwYo6FKFEX9eNNAnzFZ7EzJAQ3CJeOtCRA4rDp7Pw==",
+      "hasInstallScript": true,
+      "dependencies": {
+        "node-gyp-build": "^4.3.0"
+      },
+      "engines": {
+        "node": ">=6.14.2"
+      }
+    },
     "node_modules/caching-transform": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/caching-transform/-/caching-transform-4.0.0.tgz",
@@ -2159,6 +2168,15 @@
         "node": ">= 8"
       }
     },
+    "node_modules/d": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/d/-/d-1.0.1.tgz",
+      "integrity": "sha512-m62ShEObQ39CfralilEQRjH6oAMtNCV1xJyEx5LpRYUVN+EviphDgUc/F3hnYbADmkiNs67Y+3ylmlG7Lnu+FA==",
+      "dependencies": {
+        "es5-ext": "^0.10.50",
+        "type": "^1.0.1"
+      }
+    },
     "node_modules/dargs": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/dargs/-/dargs-7.0.0.tgz",
@@ -2521,12 +2539,45 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/es5-ext": {
+      "version": "0.10.62",
+      "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.62.tgz",
+      "integrity": "sha512-BHLqn0klhEpnOKSrzn/Xsz2UIW8j+cGmo9JLzr8BiUapV8hPL9+FliFqjwr9ngW7jWdnxv6eO+/LqyhJVqgrjA==",
+      "hasInstallScript": true,
+      "dependencies": {
+        "es6-iterator": "^2.0.3",
+        "es6-symbol": "^3.1.3",
+        "next-tick": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=0.10"
+      }
+    },
     "node_modules/es6-error": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/es6-error/-/es6-error-4.1.1.tgz",
       "integrity": "sha512-Um/+FxMr9CISWh0bi5Zv0iOD+4cFh5qLeks1qhAopKVAJw3drgKbKySikp7wGhDL0HPeaja0P5ULZrxLkniUVg==",
       "dev": true
     },
+    "node_modules/es6-iterator": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/es6-iterator/-/es6-iterator-2.0.3.tgz",
+      "integrity": "sha512-zw4SRzoUkd+cl+ZoE15A9o1oQd920Bb0iOJMQkQhl3jNc03YqVjAhG7scf9C5KWRU/R13Orf588uCC6525o02g==",
+      "dependencies": {
+        "d": "1",
+        "es5-ext": "^0.10.35",
+        "es6-symbol": "^3.1.1"
+      }
+    },
+    "node_modules/es6-symbol": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/es6-symbol/-/es6-symbol-3.1.3.tgz",
+      "integrity": "sha512-NJ6Yn3FuDinBaBRWl/q5X/s4koRHBrgKAu+yGI6JCBeiu3qrcbJhwT2GeR/EXVfylRk8dpQVJoLEFhK+Mu31NA==",
+      "dependencies": {
+        "d": "^1.0.1",
+        "ext": "^1.1.2"
+      }
+    },
     "node_modules/escalade": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
@@ -2644,6 +2695,19 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/ext": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/ext/-/ext-1.7.0.tgz",
+      "integrity": "sha512-6hxeJYaL110a9b5TEJSj0gojyHQAmA2ch5Os+ySCiA1QGdS697XWY1pzsrSjqA9LDEEgdB/KypIlR59RcLuHYw==",
+      "dependencies": {
+        "type": "^2.7.2"
+      }
+    },
+    "node_modules/ext/node_modules/type": {
+      "version": "2.7.2",
+      "resolved": "https://registry.npmjs.org/type/-/type-2.7.2.tgz",
+      "integrity": "sha512-dzlvlNlt6AXU7EBSfpAscydQ7gXB+pPGsPnfJnZpiNJBDj7IaJzQlBZYGdEi4R9HmPdBv2XmWJ6YUtoTa7lmCw=="
+    },
     "node_modules/fast-deep-equal": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
@@ -3643,8 +3707,7 @@
     "node_modules/is-typedarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
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-      "dev": true
+      "integrity": "sha512-cyA56iCMHAh5CdzjJIa4aohJyeO1YbwLi3Jc35MmRU6poroFjIGZzUzupGiRPOjgHg9TLu43xbpwXk523fMxKA=="
     },
     "node_modules/is-unicode-supported": {
       "version": "0.1.0",
@@ -3694,14 +3757,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/isomorphic-ws": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/isomorphic-ws/-/isomorphic-ws-5.0.0.tgz",
-      "integrity": "sha512-muId7Zzn9ywDsyXgTIafTry2sV3nySZeUDe6YedVd1Hvuuep5AsIlqK+XefWpYTyJG5e503F2xIuT2lcU6rCSw==",
-      "peerDependencies": {
-        "ws": "*"
-      }
-    },
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       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/istanbul-lib-coverage/-/istanbul-lib-coverage-3.2.0.tgz",
@@ -4563,6 +4618,11 @@
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       "dev": true
     },
+    "node_modules/next-tick": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/next-tick/-/next-tick-1.1.0.tgz",
+      "integrity": "sha512-CXdUiJembsNjuToQvxayPZF9Vqht7hewsvy2sOWafLvi2awflj9mOC6bHIg50orX8IJvWKY9wYQ/zB2kogPslQ=="
+    },
     "node_modules/nice-try": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
@@ -4588,6 +4648,16 @@
         }
       }
     },
+    "node_modules/node-gyp-build": {
+      "version": "4.7.0",
+      "resolved": "https://registry.npmjs.org/node-gyp-build/-/node-gyp-build-4.7.0.tgz",
+      "integrity": "sha512-PbZERfeFdrHQOOXiAKOY0VPbykZy90ndPKk0d+CFDegTKmWp1VgOTz2xACVbr1BjCWxrQp68CXtvNsveFhqDJg==",
+      "bin": {
+        "node-gyp-build": "bin.js",
+        "node-gyp-build-optional": "optional.js",
+        "node-gyp-build-test": "build-test.js"
+      }
+    },
     "node_modules/node-preload": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/node-preload/-/node-preload-0.2.1.tgz",
@@ -6776,6 +6846,11 @@
         "node": ">=0.3.1"
       }
     },
+    "node_modules/type": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/type/-/type-1.2.0.tgz",
+      "integrity": "sha512-+5nt5AAniqsCnu2cEQQdpzCAh33kVx8n0VoFidKpB1dVVLAN/F+bgVOqOJqOnEnrhp222clB5p3vUlD+1QAnfg=="
+    },
     "node_modules/type-detect": {
       "version": "4.0.8",
       "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
@@ -6866,7 +6941,6 @@
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-      "dev": true,
       "dependencies": {
         "is-typedarray": "^1.0.0"
       }
@@ -6985,6 +7059,18 @@
         "punycode": "^2.1.0"
       }
     },
+    "node_modules/utf-8-validate": {
+      "version": "5.0.10",
+      "resolved": "https://registry.npmjs.org/utf-8-validate/-/utf-8-validate-5.0.10.tgz",
+      "integrity": "sha512-Z6czzLq4u8fPOyx7TU6X3dvUZVvoJmxSQ+IcrlmagKhilxlhZgxPK6C5Jqbkw1IDUmFTM+cz9QDnnLTwDz/2gQ==",
+      "hasInstallScript": true,
+      "dependencies": {
+        "node-gyp-build": "^4.3.0"
+      },
+      "engines": {
+        "node": ">=6.14.2"
+      }
+    },
     "node_modules/util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -7177,6 +7263,35 @@
         "node": ">=10.13.0"
       }
     },
+    "node_modules/websocket": {
+      "version": "1.0.34",
+      "resolved": "https://registry.npmjs.org/websocket/-/websocket-1.0.34.tgz",
+      "integrity": "sha512-PRDso2sGwF6kM75QykIesBijKSVceR6jL2G8NGYyq2XrItNC2P5/qL5XeR056GhA+Ly7JMFvJb9I312mJfmqnQ==",
+      "dependencies": {
+        "bufferutil": "^4.0.1",
+        "debug": "^2.2.0",
+        "es5-ext": "^0.10.50",
+        "typedarray-to-buffer": "^3.1.5",
+        "utf-8-validate": "^5.0.2",
+        "yaeti": "^0.0.6"
+      },
+      "engines": {
+        "node": ">=4.0.0"
+      }
+    },
+    "node_modules/websocket/node_modules/debug": {
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+      "dependencies": {
+        "ms": "2.0.0"
+      }
+    },
+    "node_modules/websocket/node_modules/ms": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
+    },
     "node_modules/whatwg-url": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
@@ -7331,26 +7446,6 @@
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       }
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-    "node_modules/ws": {
-      "version": "8.14.2",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.14.2.tgz",
-      "integrity": "sha512-wEBG1ftX4jcglPxgFCMJmZ2PLtSbJ2Peg6TmpJFTbe9GZYOQCDPdMYu/Tm0/bGZkw8paZnJY45J4K2PZrLYq8g==",
-      "engines": {
-        "node": ">=10.0.0"
-      },
-      "peerDependencies": {
-        "bufferutil": "^4.0.1",
-        "utf-8-validate": ">=5.0.2"
-      },
-      "peerDependenciesMeta": {
-        "bufferutil": {
-          "optional": true
-        },
-        "utf-8-validate": {
-          "optional": true
-        }
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     "node_modules/y18n": {
       "version": "5.0.8",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
@@ -7360,6 +7455,14 @@
         "node": ">=10"
       }
     },
+    "node_modules/yaeti": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
+      "integrity": "sha512-MvQa//+KcZCUkBTIC9blM+CU9J2GzuTytsOUwf2lidtvkx/6gnEp1QvJv34t9vdjhFmha/mUiNDbN0D0mJWdug==",
+      "engines": {
+        "node": ">=0.10.32"
+      }
+    },
     "node_modules/yallist": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
diff --git a/package.json b/package.json
index 7801927d..ebece6d8 100644
--- a/package.json
+++ b/package.json
@@ -52,11 +52,11 @@
   },
   "dependencies": {
     "@deepgram/captions": "^1.1.1",
+    "@types/websocket": "^1.0.9",
     "cross-fetch": "^3.1.5",
     "deepmerge": "^4.3.1",
     "events": "^3.3.0",
-    "isomorphic-ws": "^5.0.0",
-    "ws": "^8.14.2"
+    "websocket": "^1.0.34"
   },
   "devDependencies": {
     "@commitlint/cli": "^17.6.7",
@@ -65,7 +65,6 @@
     "@flydotio/dockerfile": "^0.4.10",
     "@types/chai": "^4.3.5",
     "@types/mocha": "^9.1.1",
-    "@types/ws": "^8.5.6",
     "chai": "^4.3.7",
     "cross-env": "^7.0.3",
     "husky": "^4.3.0",
diff --git a/src/index.ts b/src/index.ts
index 716f5e73..0c859252 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -18,8 +18,16 @@ export * from "./lib/types";
 export * from "./lib/enums";
 export * from "./lib/constants";
 export * from "./lib/errors";
+export * from "./lib/helpers";
 
 /**
- * Captions.
+ * Captions. These will be tree-shaken if unused.
+ *
+ * @see https://github.com/deepgram/deepgram-node-captions
+ *
+ * import/export declarations don't do anything but set up an alias to the
+ * exported variable, they do not count as a "use". Given their semantics,
+ * they are tracked specially by any bundler and will not adversely affect
+ * tree-shaking.
  */
 export { webvtt, srt } from "@deepgram/captions";
diff --git a/src/packages/LiveClient.ts b/src/packages/LiveClient.ts
index cda1d241..ebc1e861 100644
--- a/src/packages/LiveClient.ts
+++ b/src/packages/LiveClient.ts
@@ -1,9 +1,9 @@
 import { AbstractWsClient } from "./AbstractWsClient";
-import { appendSearchParams, isServer } from "../lib/helpers";
+import { appendSearchParams } from "../lib/helpers";
 import { DeepgramError } from "../lib/errors";
 import { DEFAULT_OPTIONS } from "../lib/constants";
 import { LiveConnectionState, LiveTranscriptionEvents } from "../lib/enums";
-import WebSocket from "isomorphic-ws";
+import { w3cwebsocket } from "websocket";
 
 import type {
   LiveSchema,
@@ -14,7 +14,7 @@ import type {
 } from "../lib/types";
 
 export class LiveClient extends AbstractWsClient {
-  private _socket: WebSocket;
+  private _socket: w3cwebsocket;
 
   constructor(
     protected key: string,
@@ -28,22 +28,13 @@ export class LiveClient extends AbstractWsClient {
     url.protocol = url.protocol.toLowerCase().replace(/(http)(s)?/gi, "ws$2");
     appendSearchParams(url.searchParams, this.transcriptionOptions);
 
-    if (isServer()) {
-      this._socket = new WebSocket(url.toString(), {
-        headers: {
-          Authorization: `token ${this.key}`,
-          ...this.options?.global?.headers,
-        },
-      });
-    } else {
-      this._socket = new WebSocket(url.toString(), ["token", this.key]);
-    }
+    this._socket = new w3cwebsocket(url.toString(), ["token", this.key]);
 
     this._socket.onopen = () => {
       this.emit(LiveTranscriptionEvents.Open, this);
     };
 
-    this._socket.onclose = (event: WebSocket.CloseEvent) => {
+    this._socket.onclose = (event: any) => {
       /**
        * changing the event.target to any to access the private _req
        * property that isn't available on the WebSocket.CloseEvent type