OpenRouterTeam · openrouter-docs-sync · Jul 8, 2026 · Jul 8, 2026 · Jul 8, 2026
diff --git a/.speakeasy/gen.lock b/.speakeasy/gen.lock
@@ -1,19 +1,19 @@
 lockVersion: ""
 id: ""
 management:
-  docChecksum: 1a57ba8663bff56b84e58cd70c6afd7c
+  docChecksum: 20cefb4f74de3dbc4da43b8ea1154bfb
   docVersion: 1.0.0
   speakeasyVersion: 1.763.2
   generationVersion: 2.884.4
-  releaseVersion: 0.13.28
-  configChecksum: d7b58d2e40c5b5709162e6cf6e5dd65e
+  releaseVersion: 0.13.29
+  configChecksum: dd459f600a9ebcb6910a849e590b09f0
   repoURL: https://github.com/OpenRouterTeam/typescript-sdk.git
   installationURL: https://github.com/OpenRouterTeam/typescript-sdk
   published: true
 persistentEdits:
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 features:
   typescript:
     acceptHeaders: 2.81.2
@@ -1759,8 +1759,8 @@ trackedFiles:
     deleted: true
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     id: e28b59b74948
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@@ -4026,8 +4026,12 @@ trackedFiles:
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   docs/models/fusionservertoolopenrouter.mdx:
     id: c11761c11056
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+  docs/models/fusionservertoolopenroutertype.mdx:
+    id: a708fee8d1ae
+    last_write_checksum: sha1:c83f5724e221956284152d25dff8d9d42816abf7
+    pristine_git_object: a980b2ac432fd6c85bf3b2d7bd15a0a825bc8c46
   docs/models/fusionsource.md:
     id: bb7d98b85302
     last_write_checksum: sha1:288a75eed2f247aa31279077a9b2c423151f03f7
@@ -12128,12 +12132,12 @@ trackedFiles:
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     id: 7030d0b2f71b
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@@ -12980,8 +12984,8 @@ trackedFiles:
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   src/models/chatfunctiontool.ts:
     id: 400104319b29
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     id: 1ad0e5d930fb
     last_write_checksum: sha1:9af3223f14c0c9d62046de826a737544b86d222e
@@ -13508,8 +13512,8 @@ trackedFiles:
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   src/models/fusionservertoolopenrouter.ts:
     id: 01d346f44f6d
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     id: 36747573906e
     last_write_checksum: sha1:c42536e207e17dcf5e6aa2fece823ccb6d0ac672
@@ -14740,8 +14744,8 @@ trackedFiles:
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   src/models/responsesrequest.ts:
     id: 39799702f982
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   src/models/responsesstreamingresponse.ts:
     id: 69284d63df45
     last_write_checksum: sha1:14c843dba32fef31c8684c4f363bf32b17d9dc97
@@ -16833,4 +16837,4 @@ examples:
         "500":
           application/json: {"error": {"code": 500, "message": "Internal Server Error"}}
 examplesVersion: 1.0.2
-releaseNotes: "## Typescript SDK Changes:\n* `openrouter.stt.createTranscription()`: \n  *  `request.sttRequest` **Changed**\n  *  `response` **Changed**\n* `openrouter.stt.createTranscriptionMultipart()`: \n  *  `request.requestBody` **Changed**\n  *  `response` **Changed**\n* `openrouter.datasets.getRankingsDaily()`:  `request` **Changed**\n"
+releaseNotes: "## Typescript SDK Changes:\n* `openrouter.beta.responses.send()`: \n  *  `request.responsesRequest.tools[].union(openrouter:fusion).type` **Changed** (Breaking ⚠️)\n* `openrouter.presets.createPresetsResponses()`: \n  *  `request.responsesRequest.tools[].union(openrouter:fusion).type` **Changed** (Breaking ⚠️)\n* `openrouter.chat.send()`: \n  *  `request.chatRequest.tools[].union(FusionServerTool_OpenRouter)` **Added**\n* `openrouter.presets.createPresetsChatCompletions()`: \n  *  `request.chatRequest.tools[].union(FusionServerTool_OpenRouter)` **Added**\n"
diff --git a/.speakeasy/gen.yaml b/.speakeasy/gen.yaml
@@ -37,7 +37,7 @@ generation:
   documentation: mintlify
   preApplyUnionDiscriminators: true
 typescript:
-  version: 0.13.28
+  version: 0.13.29
   acceptHeaderEnum: false
   additionalDependencies:
     dependencies:

diff --git a/.speakeasy/out.openapi.yaml b/.speakeasy/out.openapi.yaml
@@ -4542,6 +4542,7 @@ components:
         - $ref: '#/components/schemas/BashServerTool'
         - $ref: '#/components/schemas/DatetimeServerTool'
         - $ref: '#/components/schemas/FilesServerTool'
+        - $ref: '#/components/schemas/FusionServerTool_OpenRouter'
         - $ref: '#/components/schemas/ImageGenerationServerTool_OpenRouter'
         - $ref: '#/components/schemas/ChatSearchModelsServerTool'
         - $ref: '#/components/schemas/SubagentServerTool_OpenRouter'

diff --git a/.speakeasy/workflow.lock b/.speakeasy/workflow.lock
@@ -2,19 +2,19 @@ speakeasyVersion: 1.763.2
 sources:
     OpenRouter API:
         sourceNamespace: open-router-chat-completions-api
-        sourceRevisionDigest: sha256:4ffc9fdd0407af4d86e8e3a5bbbc96102772248af9f12b6fe6ac66c4455b46f3
-        sourceBlobDigest: sha256:052977af275318cfdcbbc6cb8c36cef93812c28d93ada67f06074ea8c54dd1b9
+        sourceRevisionDigest: sha256:05154633bcc5482eadf69f4b83381f1eb5626a28baa0b11ef7b4308044895afd
+        sourceBlobDigest: sha256:d4bd918ae4190759162b760ff6264e25784adb9336e6af31b0a435b557ff5e14
         tags:
             - latest
             - 1.0.0
 targets:
     openrouter:
         source: OpenRouter API
         sourceNamespace: open-router-chat-completions-api
-        sourceRevisionDigest: sha256:4ffc9fdd0407af4d86e8e3a5bbbc96102772248af9f12b6fe6ac66c4455b46f3
-        sourceBlobDigest: sha256:052977af275318cfdcbbc6cb8c36cef93812c28d93ada67f06074ea8c54dd1b9
+        sourceRevisionDigest: sha256:05154633bcc5482eadf69f4b83381f1eb5626a28baa0b11ef7b4308044895afd
+        sourceBlobDigest: sha256:d4bd918ae4190759162b760ff6264e25784adb9336e6af31b0a435b557ff5e14
         codeSamplesNamespace: open-router-chat-completions-api-typescript-code-samples
-        codeSamplesRevisionDigest: sha256:f1d13a7ce3aaac022623ed8e85172e23c394a581805aec99e7dffd0211f59145
+        codeSamplesRevisionDigest: sha256:b2fcac27aa277c3d6a70138d74952826fad6e461e85387fa5e9da85f32c0ff33
 workflow:
     workflowVersion: 1.0.0
     speakeasyVersion: 1.763.2

diff --git a/RELEASES.md b/RELEASES.md
@@ -1516,4 +1516,14 @@ Based on:
 ### Generated
 - [typescript v0.13.28] .
 ### Releases
-- [NPM v0.13.28] https://www.npmjs.com/package/@openrouter/sdk/v/0.13.28 - .
+- [NPM v0.13.28] https://www.npmjs.com/package/@openrouter/sdk/v/0.13.28 - .
+
+## 2026-07-08 03:28:57
+### Changes
+Based on:
+- OpenAPI Doc  
+- Speakeasy CLI 1.763.2 (2.884.4) https://github.com/speakeasy-api/speakeasy
+### Generated
+- [typescript v0.13.29] .
+### Releases
+- [NPM v0.13.29] https://www.npmjs.com/package/@openrouter/sdk/v/0.13.29 - .
diff --git a/docs/models/chatfunctiontool.mdx b/docs/models/chatfunctiontool.mdx
@@ -50,6 +50,14 @@ const value: models.FilesServerTool = {
 };
 ```
 
+### `models.FusionServerToolOpenRouter`
+
+```typescript
+const value: models.FusionServerToolOpenRouter = {
+  type: "openrouter:fusion",
+};
+```
+
 ### `models.ImageGenerationServerToolOpenRouter`
 
 ```typescript

diff --git a/docs/models/fusionservertoolopenrouter.mdx b/docs/models/fusionservertoolopenrouter.mdx
@@ -19,4 +19,4 @@ let value: FusionServerToolOpenRouter = {
 | Field                                                                                                         | Type                                                                                                          | Required                                                                                                      | Description                                                                                                   | Example                                                                                                       |
 | ------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------- |
 | `parameters`                                                                                                  | [models.FusionServerToolConfig](../models/fusionservertoolconfig.mdx)                                          | :heavy_minus_sign:                                                                                            | Configuration for the openrouter:fusion server tool.                                                          | \{<br/>"analysis_models": [<br/>"~anthropic/claude-opus-latest",<br/>"~openai/gpt-latest",<br/>"~google/gemini-pro-latest"<br/>]<br/>} |
-| `type`                                                                                                        | *"openrouter:fusion"*                                                                                         | :heavy_check_mark:                                                                                            | N/A                                                                                                           |                                                                                                               |
+| `type`                                                                                                        | [models.FusionServerToolOpenRouterType](../models/fusionservertoolopenroutertype.mdx)                          | :heavy_check_mark:                                                                                            | N/A                                                                                                           |                                                                                                               |
diff --git a/docs/models/fusionservertoolopenroutertype.mdx b/docs/models/fusionservertoolopenroutertype.mdx
@@ -0,0 +1,17 @@
+---
+title: "FusionServerToolOpenRouterType"
+---
+
+## Example Usage
+
+```typescript
+import { FusionServerToolOpenRouterType } from "@openrouter/sdk/models";
+
+let value: FusionServerToolOpenRouterType = "openrouter:fusion";
+```
+
+## Values
+
+```typescript
+"openrouter:fusion"
+```
diff --git a/jsr.json b/jsr.json
@@ -2,7 +2,7 @@
 
 {
   "name": "@openrouter/sdk",
-  "version": "0.13.28",
+  "version": "0.13.29",
   "exports": {
     ".": "./src/index.ts",    
     "./models/errors": "./src/models/errors/index.ts",    

diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@openrouter/sdk",
-  "version": "0.13.28",
+  "version": "0.13.29",
   "author": "OpenRouter",
   "description": "The OpenRouter TypeScript SDK is a type-safe toolkit for building AI applications with access to 400+ language models through a unified API.",
   "keywords": [
@@ -73,15 +73,15 @@
     "lint": "eslint --cache --max-warnings=0 src",
     "build": "tsc",
     "prepublishOnly": "npm run build",
-    "prepare": "npm run build",
-    "test:transit": "exit 0",
-    "typecheck": "tsc --noEmit",
     "compile": "tsc",
     "postinstall": "node scripts/check-types.js || true",
     "test": "vitest --run --project unit",
     "test:e2e": "vitest --run --project e2e",
-    "test:watch": "vitest --watch --project unit",
-    "typecheck:transit": "exit 0"
+    "typecheck": "tsc --noEmit",
+    "typecheck:transit": "exit 0",
+    "prepare": "npm run build",
+    "test:transit": "exit 0",
+    "test:watch": "vitest --watch --project unit"
   },
   "peerDependencies": {},
   "devDependencies": {

diff --git a/src/lib/config.ts b/src/lib/config.ts
@@ -75,7 +75,7 @@ export function serverURLFromOptions(options: SDKOptions): URL | null {
 export const SDK_METADATA = {
   language: "typescript",
   openapiDocVersion: "1.0.0",
-  sdkVersion: "0.13.28",
+  sdkVersion: "0.13.29",
   genVersion: "2.884.4",
-  userAgent: "speakeasy-sdk/typescript 0.13.28 2.884.4 1.0.0 @openrouter/sdk",
+  userAgent: "speakeasy-sdk/typescript 0.13.29 2.884.4 1.0.0 @openrouter/sdk",
 } as const;
diff --git a/src/models/chatfunctiontool.ts b/src/models/chatfunctiontool.ts
@@ -41,6 +41,11 @@ import {
   FilesServerTool$Outbound,
   FilesServerTool$outboundSchema,
 } from "./filesservertool.js";
+import {
+  FusionServerToolOpenRouter,
+  FusionServerToolOpenRouter$Outbound,
+  FusionServerToolOpenRouter$outboundSchema,
+} from "./fusionservertoolopenrouter.js";
 import {
   ImageGenerationServerToolOpenRouter,
   ImageGenerationServerToolOpenRouter$Outbound,
@@ -110,6 +115,7 @@ export type ChatFunctionTool =
   | BashServerTool
   | DatetimeServerTool
   | FilesServerTool
+  | FusionServerToolOpenRouter
   | ImageGenerationServerToolOpenRouter
   | ChatSearchModelsServerTool
   | SubagentServerToolOpenRouter
@@ -187,6 +193,7 @@ export type ChatFunctionTool$Outbound =
   | BashServerTool$Outbound
   | DatetimeServerTool$Outbound
   | FilesServerTool$Outbound
+  | FusionServerToolOpenRouter$Outbound
   | ImageGenerationServerToolOpenRouter$Outbound
   | ChatSearchModelsServerTool$Outbound
   | SubagentServerToolOpenRouter$Outbound
@@ -204,6 +211,7 @@ export const ChatFunctionTool$outboundSchema: z.ZodType<
   BashServerTool$outboundSchema,
   DatetimeServerTool$outboundSchema,
   FilesServerTool$outboundSchema,
+  FusionServerToolOpenRouter$outboundSchema,
   ImageGenerationServerToolOpenRouter$outboundSchema,
   ChatSearchModelsServerTool$outboundSchema,
   SubagentServerToolOpenRouter$outboundSchema,

diff --git a/src/models/fusionservertoolopenrouter.ts b/src/models/fusionservertoolopenrouter.ts
@@ -4,12 +4,20 @@
  */
 
 import * as z from "zod/v4";
+import { ClosedEnum } from "../types/enums.js";
 import {
   FusionServerToolConfig,
   FusionServerToolConfig$Outbound,
   FusionServerToolConfig$outboundSchema,
 } from "./fusionservertoolconfig.js";
 
+export const FusionServerToolOpenRouterType = {
+  OpenrouterFusion: "openrouter:fusion",
+} as const;
+export type FusionServerToolOpenRouterType = ClosedEnum<
+  typeof FusionServerToolOpenRouterType
+>;
+
 /**
  * OpenRouter built-in server tool: fans out the user prompt to a panel of analysis models, then asks a judge model to summarize their collective output as structured JSON the outer model can synthesize from.
  */
@@ -18,13 +26,18 @@ export type FusionServerToolOpenRouter = {
    * Configuration for the openrouter:fusion server tool.
    */
   parameters?: FusionServerToolConfig | undefined;
-  type: "openrouter:fusion";
+  type: FusionServerToolOpenRouterType;
 };
 
+/** @internal */
+export const FusionServerToolOpenRouterType$outboundSchema: z.ZodEnum<
+  typeof FusionServerToolOpenRouterType
+> = z.enum(FusionServerToolOpenRouterType);
+
 /** @internal */
 export type FusionServerToolOpenRouter$Outbound = {
   parameters?: FusionServerToolConfig$Outbound | undefined;
-  type: "openrouter:fusion";
+  type: string;
 };
 
 /** @internal */
@@ -33,7 +46,7 @@ export const FusionServerToolOpenRouter$outboundSchema: z.ZodType<
   FusionServerToolOpenRouter
 > = z.object({
   parameters: FusionServerToolConfig$outboundSchema.optional(),
-  type: z.literal("openrouter:fusion"),
+  type: FusionServerToolOpenRouterType$outboundSchema,
 });
 
 export function fusionServerToolOpenRouterToJSON(