diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 6103afc2b..bacdd304e 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.29.0"
+  ".": "1.30.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bb12e4e7a..762e97925 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.30.0 (2026-08-20)
+
+Full Changelog: [v1.29.0...v1.30.0](https://github.com/runloopai/api-client-ts/compare/v1.29.0...v1.30.0)
+
+### Features
+
+* **devboxes:** use optimistic create endpoint ([#825](https://github.com/runloopai/api-client-ts/issues/825)) ([07c0ca0](https://github.com/runloopai/api-client-ts/commit/07c0ca079a3ed09d2350d320323b616e471d0b03))
+
 ## 1.29.0 (2026-08-20)
 
 Full Changelog: [v1.28.0...v1.29.0](https://github.com/runloopai/api-client-ts/compare/v1.28.0...v1.29.0)
diff --git a/package.json b/package.json
index f534c35b2..b63e373a6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@runloop/api-client",
-  "version": "1.29.0",
+  "version": "1.30.0",
   "description": "The official TypeScript library for the Runloop API",
   "author": "Runloop <support@runloop.ai>",
   "types": "dist/sdk.d.ts",
diff --git a/packages/mcp-server/manifest.json b/packages/mcp-server/manifest.json
index 9be530795..ab80a572f 100644
--- a/packages/mcp-server/manifest.json
+++ b/packages/mcp-server/manifest.json
@@ -1,7 +1,7 @@
 {
   "dxt_version": "0.2",
   "name": "@runloop/api-client-mcp",
-  "version": "1.29.0",
+  "version": "1.30.0",
   "description": "The official MCP Server for the Runloop API",
   "author": {
     "name": "Runloop",
diff --git a/packages/mcp-server/package.json b/packages/mcp-server/package.json
index 4791bec49..7f1f2c14a 100644
--- a/packages/mcp-server/package.json
+++ b/packages/mcp-server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@runloop/api-client-mcp",
-  "version": "1.29.0",
+  "version": "1.30.0",
   "description": "The official MCP Server for the Runloop API",
   "author": "Runloop <support@runloop.ai>",
   "types": "dist/index.d.ts",
diff --git a/packages/mcp-server/src/server.ts b/packages/mcp-server/src/server.ts
index 8ba74e597..882090e63 100644
--- a/packages/mcp-server/src/server.ts
+++ b/packages/mcp-server/src/server.ts
@@ -16,7 +16,7 @@ export const newMcpServer = async (stainlessApiKey: string | undefined) =>
   new McpServer(
     {
       name: 'runloop_api_client_api',
-      version: '1.29.0',
+      version: '1.30.0',
     },
     {
       instructions: await getInstructions(stainlessApiKey),
diff --git a/src/resources/devboxes/devboxes.ts b/src/resources/devboxes/devboxes.ts
index d88aac1ab..947c864d0 100644
--- a/src/resources/devboxes/devboxes.ts
+++ b/src/resources/devboxes/devboxes.ts
@@ -131,7 +131,13 @@ export class Devboxes extends APIResource {
     options?: LongPollRequestOptions<DevboxView>,
   ): Promise<DevboxView> {
     const { longPoll, polling, ...requestOptions } = options ?? {};
-    const devbox = await this.create(body, requestOptions);
+    const devbox = (await this._client.post('/v1/devboxes/create_and_await_running', {
+      body: body ?? {},
+      ...requestOptions,
+    })) as DevboxView;
+    if (devbox.status === 'running') {
+      return devbox;
+    }
     return this.awaitRunning(devbox.id, { ...requestOptions, longPoll, polling });
   }
   /**
diff --git a/src/version.ts b/src/version.ts
index ec0d2ee29..1fb715e33 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '1.29.0'; // x-release-please-version
+export const VERSION = '1.30.0'; // x-release-please-version
diff --git a/tests/api-resources/devboxes/devboxes.test.ts b/tests/api-resources/devboxes/devboxes.test.ts
index 9f547d3bf..1ad1d9ee3 100644
--- a/tests/api-resources/devboxes/devboxes.test.ts
+++ b/tests/api-resources/devboxes/devboxes.test.ts
@@ -716,7 +716,7 @@ describe('resource devboxes', () => {
     expect(mockPost).toHaveBeenCalledTimes(2);
 
     // Check create call
-    expect(mockPost).toHaveBeenNthCalledWith(1, '/v1/devboxes', {
+    expect(mockPost).toHaveBeenNthCalledWith(1, '/v1/devboxes/create_and_await_running', {
       body: { name: 'test-devbox' },
     });
 
@@ -731,16 +731,28 @@ describe('resource devboxes', () => {
     mockPost.mockRestore();
   });
 
+  test('createAndAwaitRunning: returns an optimistic running response without polling', async () => {
+    const mockPost = jest.spyOn(client.devboxes['_client'], 'post');
+    mockPost.mockResolvedValueOnce({ id: 'new-devbox-id', status: 'running' });
+
+    const result = await client.devboxes.createAndAwaitRunning({ name: 'test-devbox' });
+
+    expect(result).toEqual({ id: 'new-devbox-id', status: 'running' });
+    expect(mockPost).toHaveBeenCalledTimes(1);
+    expect(mockPost).toHaveBeenCalledWith('/v1/devboxes/create_and_await_running', {
+      body: { name: 'test-devbox' },
+    });
+  });
+
   test('createAndAwaitRunning: handles creation failure', async () => {
     const mockPost = jest.spyOn(client.devboxes['_client'], 'post');
 
-    const createError = new Error('Creation failed');
-    mockPost.mockRejectedValueOnce(createError);
+    const createError = new APIError(400, undefined, 'Creation failed', {});
+    mockPost.mockRejectedValue(createError);
 
     await expect(client.devboxes.createAndAwaitRunning()).rejects.toThrow('Creation failed');
 
-    expect(mockPost).toHaveBeenCalledTimes(1);
-    expect(mockPost).toHaveBeenCalledWith('/v1/devboxes', { body: {} });
+    expect(mockPost).toHaveBeenCalledWith('/v1/devboxes/create_and_await_running', { body: {} });
 
     mockPost.mockRestore();
   });