diff --git a/.gitignore b/.gitignore
index 10ad49dd7..c3787f479 100644
--- a/.gitignore
+++ b/.gitignore
@@ -160,4 +160,7 @@ cython_debug/
 .idea/
 .DS_Store
 
+# JS API refs
+js/_build/
+
 .envrc
diff --git a/js/package.json b/js/package.json
index ea1e042de..b94c30c7c 100644
--- a/js/package.json
+++ b/js/package.json
@@ -67,6 +67,7 @@
   "types": "./dist/index.d.ts",
   "scripts": {
     "build": "yarn clean && yarn build:esm && yarn build:cjs && node scripts/create-entrypoints.js",
+    "build:typedoc": "yarn build && rm -rf ./_build/api_refs && npx typedoc",
     "bump-version": "node scripts/bump-version.js",
     "check-version": "node scripts/check-version.js",
     "check-npm-version": "node scripts/check-npm-version.js",
@@ -139,6 +140,8 @@
     "prettier": "^2.8.8",
     "ts-jest": "^29.1.0",
     "ts-node": "^10.9.1",
+    "typedoc": "^0.27.6",
+    "typedoc-plugin-expand-object-like-types": "^0.1.2",
     "typescript": "^5.4.5",
     "zod": "^3.23.8"
   },
diff --git a/js/scripts/typedoc-plugin.cjs b/js/scripts/typedoc-plugin.cjs
new file mode 100644
index 000000000..c1bbd3ee6
--- /dev/null
+++ b/js/scripts/typedoc-plugin.cjs
@@ -0,0 +1,113 @@
+const {
+  Application,
+  Converter,
+  Context,
+  ReflectionKind,
+  DeclarationReflection,
+  RendererEvent,
+} = require("typedoc");
+const fs = require("fs");
+const path = require("path");
+
+// Reflection types to check for methods that should not be documented.
+// e.g methods prefixed with `_` or `lc_`
+const REFLECTION_KINDS_TO_HIDE = [
+  ReflectionKind.Property,
+  ReflectionKind.Accessor,
+  ReflectionKind.Variable,
+  ReflectionKind.Method,
+  ReflectionKind.Function,
+  ReflectionKind.Class,
+  ReflectionKind.Interface,
+  ReflectionKind.Enum,
+  ReflectionKind.TypeAlias,
+];
+
+const BASE_OUTPUT_DIR = "./_build/api_refs";
+
+// Script to inject into the HTML to add a CMD/CTRL + K 'hotkey' which focuses
+// on the search input element.
+const SCRIPT_HTML = `<script>
+  document.addEventListener('keydown', (e) => {
+    if ((e.metaKey || e.ctrlKey) && e.keyCode === 75) { // Check for CMD + K or CTRL + K
+      const input = document.getElementById('tsd-search-field'); // Get the search input element by ID
+      input.focus(); // Focus on the search input element
+      document.getElementById('tsd-search').style.display = 'block'; // Show the div wrapper with ID tsd-search
+    }
+  }, false); // Add event listener for keydown events
+</script>`;
+
+/**
+ * Takes in a reflection and an array of all chat model class names.
+ * Then performs checks to see if the given reflection should be removed
+ * from the documentation.
+ * E.g a class method on chat models which is
+ * not intended to be documented.
+ *
+ * @param {DeclarationReflection} reflection
+ * @returns {boolean} Whether or not the reflection should be removed
+ */
+function shouldRemoveReflection(reflection) {
+  const kind = reflection.kind;
+
+  if (
+    reflection.parent &&
+    reflection.name !== "constructor"
+  ) {
+    if (kind === ReflectionKind.Property) {
+      return true;
+    }
+  }
+
+  if (REFLECTION_KINDS_TO_HIDE.find((kindToHide) => kindToHide === kind)) {
+    if (reflection.name.startsWith("_") || reflection.name.startsWith("ls_")) {
+      // Remove all reflections which start with an `_` or `ls_` as those are internal
+      return true;
+    }
+  }
+}
+
+/**
+ * @param {Application} application
+ * @returns {void}
+ */
+function load(application) {
+  application.converter.on(
+    Converter.EVENT_CREATE_DECLARATION,
+    resolveReflection
+  );
+
+  application.renderer.on(RendererEvent.END, onEndRenderEvent);
+
+  /**
+   * @param {Context} context
+   * @param {DeclarationReflection} reflection
+   * @returns {void}
+   */
+  function resolveReflection(context, reflection) {
+    const { project } = context;
+
+    if (shouldRemoveReflection(reflection)) {
+      project.removeReflection(reflection);
+    }
+  }
+
+  /**
+   * @param {Context} context
+   */
+  function onEndRenderEvent(context) {
+    const htmlToSplitAtSearchScript = `<div class="tsd-toolbar-contents container">`;
+
+    const { urls } = context;
+    for (const { url } of urls) {
+      const indexFilePath = path.join(BASE_OUTPUT_DIR, url);
+      const htmlFileContent = fs.readFileSync(indexFilePath, "utf-8");
+
+      const [part1, part2] = htmlFileContent.split(htmlToSplitAtSearchScript);
+      const htmlWithScript = part1 + SCRIPT_HTML + part2;
+      fs.writeFileSync(indexFilePath, htmlWithScript);
+    }
+  }
+}
+
+module.exports = { load };
diff --git a/js/src/wrappers/openai.ts b/js/src/wrappers/openai.ts
index 9987e0adb..f654481c6 100644
--- a/js/src/wrappers/openai.ts
+++ b/js/src/wrappers/openai.ts
@@ -234,6 +234,11 @@ function processChatCompletion(outputs: Readonly<KVMap>): KVMap {
  * @param options LangSmith options.
  * @example
  * ```ts
+ * import { OpenAI } from "openai";
+ * import { wrapOpenAI } from "langsmith/wrappers/openai";
+ *
+ * const patchedClient = wrapOpenAI(new OpenAI());
+ *
  * const patchedStream = await patchedClient.chat.completions.create(
  *   {
  *     messages: [{ role: "user", content: `Say 'foo'` }],
diff --git a/js/typedoc.json b/js/typedoc.json
new file mode 100644
index 000000000..dc2d2e961
--- /dev/null
+++ b/js/typedoc.json
@@ -0,0 +1,27 @@
+{
+  "$schema": "https://typedoc.org/schema.json",
+  "out": "_build/api_refs",
+  "sort": [
+    "kind",
+    "visibility",
+    "instance-first",
+    "required-first",
+    "alphabetical"
+  ],
+  "plugin": [
+    "typedoc-plugin-expand-object-like-types",
+    "./scripts/typedoc-plugin.cjs"
+  ],
+  "tsconfig": "./tsconfig.json",
+  "excludePrivate": true,
+  "excludeInternal": true,
+  "excludeExternals": false,
+  "excludeNotDocumented": false,
+  "includeVersion": true,
+  "sourceLinkTemplate": "https://github.com/langchain-ai/langsmith-sdk/blob/{gitRevision}/{path}#L{line}",
+  "logLevel": "Error",
+  "name": "LangSmith",
+  "skipErrorChecking": false,
+  "exclude": ["dist"],
+  "hostedBaseUrl": "https://docs.smith.langchain.com/reference/js/",
+}
\ No newline at end of file
diff --git a/js/yarn.lock b/js/yarn.lock
index a5e15453f..295a3f667 100644
--- a/js/yarn.lock
+++ b/js/yarn.lock
@@ -1072,6 +1072,15 @@
   resolved "https://registry.yarnpkg.com/@faker-js/faker/-/faker-8.4.1.tgz#5d5e8aee8fce48f5e189bf730ebd1f758f491451"
   integrity sha512-XQ3cU+Q8Uqmrbf2e0cIC/QN43sTBSC8KF12u29Mb47tWrt2hAgBXSgpZMj4Ao8Uk0iJcU99QsOCaIL8934obCg==
 
+"@gerrit0/mini-shiki@^1.24.0":
+  version "1.27.0"
+  resolved "https://registry.yarnpkg.com/@gerrit0/mini-shiki/-/mini-shiki-1.27.0.tgz#8bc370ac8b80c5e5e0c20fa69edcc7dec9b593fc"
+  integrity sha512-nFZkbq4/wU+GxkyJVrXeMIS9SEcHI1HzJtK3EDtMQy16nNs1LNaI0dZTLAP2EuK/QSTYLo/Zaabm6Phxlmra1A==
+  dependencies:
+    "@shikijs/engine-oniguruma" "^1.27.0"
+    "@shikijs/types" "^1.27.0"
+    "@shikijs/vscode-textmate" "^10.0.1"
+
 "@humanwhocodes/config-array@^0.11.8":
   version "0.11.8"
   resolved "https://registry.npmjs.org/@humanwhocodes/config-array/-/config-array-0.11.8.tgz"
@@ -1501,6 +1510,27 @@
   resolved "https://registry.yarnpkg.com/@opentelemetry/semantic-conventions/-/semantic-conventions-1.27.0.tgz#1a857dcc95a5ab30122e04417148211e6f945e6c"
   integrity sha512-sAay1RrB+ONOem0OZanAR1ZI/k7yDpnOQSQmTMuGImUQb2y8EbSaCJ94FQluM74xoU03vlb2d2U90hZluL6nQg==
 
+"@shikijs/engine-oniguruma@^1.27.0":
+  version "1.27.2"
+  resolved "https://registry.yarnpkg.com/@shikijs/engine-oniguruma/-/engine-oniguruma-1.27.2.tgz#b120e6aaf654fccec4268f1c12bf70b24fd7373f"
+  integrity sha512-FZYKD1KN7srvpkz4lbGLOYWlyDU4Rd+2RtuKfABTkafAPOFr+J6umfIwY/TzOQqfNtWjL7SAwPAO0dcOraRLaQ==
+  dependencies:
+    "@shikijs/types" "1.27.2"
+    "@shikijs/vscode-textmate" "^10.0.1"
+
+"@shikijs/types@1.27.2", "@shikijs/types@^1.27.0":
+  version "1.27.2"
+  resolved "https://registry.yarnpkg.com/@shikijs/types/-/types-1.27.2.tgz#0288966973ac8d9c4186998e6be9969ff9a045a4"
+  integrity sha512-DM9OWUyjmdYdnKDpaGB/GEn9XkToyK1tqxuqbmc5PV+5K8WjjwfygL3+cIvbkSw2v1ySwHDgqATq/+98pJ4Kyg==
+  dependencies:
+    "@shikijs/vscode-textmate" "^10.0.1"
+    "@types/hast" "^3.0.4"
+
+"@shikijs/vscode-textmate@^10.0.1":
+  version "10.0.1"
+  resolved "https://registry.yarnpkg.com/@shikijs/vscode-textmate/-/vscode-textmate-10.0.1.tgz#d06d45b67ac5e9b0088e3f67ebd3f25c6c3d711a"
+  integrity sha512-fTIQwLF+Qhuws31iw7Ncl1R3HUDtGwIipiJ9iU+UsDUwMhegFcQKQHd51nZjb7CArq0MvON8rbgCGQYWHUKAdg==
+
 "@sinclair/typebox@^0.25.16":
   version "0.25.24"
   resolved "https://registry.npmjs.org/@sinclair/typebox/-/typebox-0.25.24.tgz"
@@ -1590,6 +1620,13 @@
   dependencies:
     "@types/node" "*"
 
+"@types/hast@^3.0.4":
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/@types/hast/-/hast-3.0.4.tgz#1d6b39993b82cea6ad783945b0508c25903e15aa"
+  integrity sha512-WPs+bbQw5aCj+x6laNGWLH3wviHtoCv/P3+otBhbOhJgG8qtpdAMlTCxLtsTWA7LH1Oh/bFCHsBn0TPS5m30EQ==
+  dependencies:
+    "@types/unist" "*"
+
 "@types/istanbul-lib-coverage@*", "@types/istanbul-lib-coverage@^2.0.0", "@types/istanbul-lib-coverage@^2.0.1":
   version "2.0.4"
   resolved "https://registry.npmjs.org/@types/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.4.tgz"
@@ -1677,6 +1714,11 @@
   resolved "https://registry.npmjs.org/@types/stack-utils/-/stack-utils-2.0.1.tgz"
   integrity sha512-Hl219/BT5fLAaz6NDkSuhzasy49dwQS/DSdu4MdggFB8zcXv7vflBI3xp7FEmkmdDkBUI2bPUNeMttp2knYdxw==
 
+"@types/unist@*":
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/@types/unist/-/unist-3.0.3.tgz#acaab0f919ce69cce629c2d4ed2eb4adc1b6c20c"
+  integrity sha512-ko/gIFJRv177XgZsZcBwnqJN5x/Gien8qNOn0D5bQU/zAzVf9Zt3BlcUiLqhV9y4ARk0GbT3tnUiPNgnTXzc/Q==
+
 "@types/uuid@^10.0.0":
   version "10.0.0"
   resolved "https://registry.yarnpkg.com/@types/uuid/-/uuid-10.0.0.tgz#e9c07fe50da0f53dc24970cca94d619ff03f6f6d"
@@ -2042,6 +2084,13 @@ brace-expansion@^1.1.7:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
 
+brace-expansion@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-2.0.1.tgz#1edc459e0f0c548486ecf9fc99f2221364b9a0ae"
+  integrity sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==
+  dependencies:
+    balanced-match "^1.0.0"
+
 braces@^3.0.3:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/braces/-/braces-3.0.3.tgz#490332f40919452272d55a8480adc0c441358789"
@@ -2374,6 +2423,11 @@ emoji-regex@^8.0.0:
   resolved "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz"
   integrity sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==
 
+entities@^4.4.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/entities/-/entities-4.5.0.tgz#5d268ea5e7113ec74c4d033b79ea5a35a488fb48"
+  integrity sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==
+
 error-ex@^1.3.1:
   version "1.3.2"
   resolved "https://registry.npmjs.org/error-ex/-/error-ex-1.3.2.tgz"
@@ -3780,6 +3834,13 @@ lines-and-columns@^1.1.6:
   resolved "https://registry.npmjs.org/lines-and-columns/-/lines-and-columns-1.2.4.tgz"
   integrity sha512-7ylylesZQ/PV29jhEDl3Ufjo6ZX7gCqJr5F7PKrqc93v7fzSymt1BpwEU8nAUXs8qzzvqhbjhK5QZg6Mt/HkBg==
 
+linkify-it@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/linkify-it/-/linkify-it-5.0.0.tgz#9ef238bfa6dc70bd8e7f9572b52d369af569b421"
+  integrity sha512-5aHCbzQRADcdP+ATqnDuhhJ/MRIqDkZX5pyjFHRRysS8vZ5AbqGEoFIb6pYHPZ+L/OC2Lc+xT8uHVVR5CAK/wQ==
+  dependencies:
+    uc.micro "^2.0.0"
+
 locate-path@^5.0.0:
   version "5.0.0"
   resolved "https://registry.npmjs.org/locate-path/-/locate-path-5.0.0.tgz"
@@ -3823,6 +3884,11 @@ lru-cache@^6.0.0:
   dependencies:
     yallist "^4.0.0"
 
+lunr@^2.3.9:
+  version "2.3.9"
+  resolved "https://registry.yarnpkg.com/lunr/-/lunr-2.3.9.tgz#18b123142832337dd6e964df1a5a7707b25d35e1"
+  integrity sha512-zTU3DaZaF3Rt9rhN3uBMGQD3dD2/vFQqnvZCDv4dl5iOzq2IZQqTxu90r4E5J+nP70J3ilqVCrbho2eWaeW8Ow==
+
 make-dir@^3.0.0:
   version "3.1.0"
   resolved "https://registry.npmjs.org/make-dir/-/make-dir-3.1.0.tgz"
@@ -3842,6 +3908,23 @@ makeerror@1.0.12:
   dependencies:
     tmpl "1.0.5"
 
+markdown-it@^14.1.0:
+  version "14.1.0"
+  resolved "https://registry.yarnpkg.com/markdown-it/-/markdown-it-14.1.0.tgz#3c3c5992883c633db4714ccb4d7b5935d98b7d45"
+  integrity sha512-a54IwgWPaeBCAAsv13YgmALOF1elABB08FxO9i+r4VFk5Vl4pKokRPeX8u5TCgSsPi6ec1otfLjdOpVcgbpshg==
+  dependencies:
+    argparse "^2.0.1"
+    entities "^4.4.0"
+    linkify-it "^5.0.0"
+    mdurl "^2.0.0"
+    punycode.js "^2.3.1"
+    uc.micro "^2.1.0"
+
+mdurl@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/mdurl/-/mdurl-2.0.0.tgz#80676ec0433025dd3e17ee983d0fe8de5a2237e0"
+  integrity sha512-Lf+9+2r+Tdp5wXDXC4PcIBjTDtq4UKjCPMQhKIuzpJNW0b96kVqSwW0bT7FhRSfmAiFYgP+SCRvdrDozfh0U5w==
+
 merge-stream@^2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz"
@@ -3884,6 +3967,13 @@ minimatch@^3.0.4, minimatch@^3.0.5, minimatch@^3.1.1, minimatch@^3.1.2:
   dependencies:
     brace-expansion "^1.1.7"
 
+minimatch@^9.0.5:
+  version "9.0.5"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-9.0.5.tgz#d74f9dd6b57d83d8e98cfb82133b03978bc929e5"
+  integrity sha512-G6T0ZX48xgozx7587koeX9Ys2NYy6Gmv//P89sEte9V9whIapMNF4idKxnW2QtCcLiTWlb/wfCabAtAFWhhBow==
+  dependencies:
+    brace-expansion "^2.0.1"
+
 minimist@^1.2.0, minimist@^1.2.6:
   version "1.2.8"
   resolved "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz"
@@ -4218,6 +4308,11 @@ prompts@^2.0.1:
     kleur "^3.0.3"
     sisteransi "^1.0.5"
 
+punycode.js@^2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/punycode.js/-/punycode.js-2.3.1.tgz#6b53e56ad75588234e79f4affa90972c7dd8cdb7"
+  integrity sha512-uxFIHU0YlHYhDQtV4R9J6a52SLx28BCjT+4ieh7IGbgwVJWO+km431c4yRlREUAsAmt/uMjQUyQHNEPf0M39CA==
+
 punycode@^2.1.0:
   version "2.3.0"
   resolved "https://registry.npmjs.org/punycode/-/punycode-2.3.0.tgz"
@@ -4703,11 +4798,32 @@ typed-array-length@^1.0.4:
     for-each "^0.3.3"
     is-typed-array "^1.1.9"
 
+typedoc-plugin-expand-object-like-types@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/typedoc-plugin-expand-object-like-types/-/typedoc-plugin-expand-object-like-types-0.1.2.tgz#7b97e2e0ccb5f0d7e784677a62b89b2ce163fc39"
+  integrity sha512-RRMOCWMElQHBOVraWMWrh/0tDqCdS5oxYwaWMZBB3KlUUUUCxKllpvJPsRH/uFLO1nOuy28CbJxGVU1umv7LOQ==
+
+typedoc@^0.27.6:
+  version "0.27.6"
+  resolved "https://registry.yarnpkg.com/typedoc/-/typedoc-0.27.6.tgz#7e8d067bd5386b7908afcb12c9054a83e8bb326b"
+  integrity sha512-oBFRoh2Px6jFx366db0lLlihcalq/JzyCVp7Vaq1yphL/tbgx2e+bkpkCgJPunaPvPwoTOXSwasfklWHm7GfAw==
+  dependencies:
+    "@gerrit0/mini-shiki" "^1.24.0"
+    lunr "^2.3.9"
+    markdown-it "^14.1.0"
+    minimatch "^9.0.5"
+    yaml "^2.6.1"
+
 typescript@^5.4.5:
   version "5.4.5"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.4.5.tgz#42ccef2c571fdbd0f6718b1d1f5e6e5ef006f611"
   integrity sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==
 
+uc.micro@^2.0.0, uc.micro@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/uc.micro/-/uc.micro-2.1.0.tgz#f8d3f7d0ec4c3dea35a7e3c8efa4cb8b45c9e7ee"
+  integrity sha512-ARDJmphmdvUk6Glw7y9DQ2bFkKBHwQHLi2lsaH6PPmz/Ka9sFOBsBluozhDltWmnv9u/cF6Rt87znRTPV+yp/A==
+
 unbox-primitive@^1.0.2:
   version "1.0.2"
   resolved "https://registry.npmjs.org/unbox-primitive/-/unbox-primitive-1.0.2.tgz"
@@ -4892,6 +5008,11 @@ yaml@^2.2.1:
   resolved "https://registry.yarnpkg.com/yaml/-/yaml-2.4.2.tgz#7a2b30f2243a5fc299e1f14ca58d475ed4bc5362"
   integrity sha512-B3VqDZ+JAg1nZpaEmWtTXUlBneoGx6CPM9b0TENK6aoSu5t73dItudwdgmi6tHlIZZId4dZ9skcAQ2UbcyAeVA==
 
+yaml@^2.6.1:
+  version "2.7.0"
+  resolved "https://registry.yarnpkg.com/yaml/-/yaml-2.7.0.tgz#aef9bb617a64c937a9a748803786ad8d3ffe1e98"
+  integrity sha512-+hSoy/QHluxmC9kCIJyL/uyFmLmc+e5CFR5Wa+bpIhIj85LVb9ZH2nVnqrHoSvKogwODv0ClqZkmiSSaIH5LTA==
+
 yargs-parser@^21.0.1, yargs-parser@^21.1.1:
   version "21.1.1"
   resolved "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.1.1.tgz"