docs.browser-use.com

# Browser Use Cloud SDK > Browser Use Cloud is a managed API for AI browser automation. Send a natural-language task, get structured results back. SDKs for Python and TypeScript. Always use API v3 — v2 is legacy and uses different method names. Auth via `X-Browser-Use-API-Key` header (keys start with `bu_`). - Dashboard: https://cloud.browser-use.com - Create API key: https://cloud.browser-use.com/settings?tab=api-keys&new=1 - Docs: https://docs.browser-use.com - OpenAPI spec (v3): https://docs.browser-use.com/cloud/openapi/v3.json - Chat UI example: https://docs.browser-use.com/cloud/tutorials/chat-ui — Full end-to-end example with live browser, streaming, auth. Best starting point to build a prototype. - Open-source repo: https://github.com/browser-use/browser-use — The open-source Python library. Note: the open-source API is different from the Cloud SDK. If you want the easiest path to production with managed infrastructure, use the Cloud SDK below. **Always use v3.** v2 is legacy with different method names and should not be used for new projects. Before writing code, check if `browser-use-sdk` is already installed. If so, upgrade to the latest version. If not, install it: - Python: `pip install --upgrade browser-use-sdk` - TypeScript: `npm install browser-use-sdk@latest` Set API key (starts with `bu_`). If the user doesn't have one yet, they can create one in one click at https://cloud.browser-use.com/settings?tab=api-keys&new=1: ``` export BROWSER_USE_API_KEY=bu_your_key_here ``` ## Get Started - [Quick start](https://docs.browser-use.com/cloud/quickstart): State-of-the-art AI browser automation with stealth browsers, CAPTCHA solving, residential proxies, and managed infrastructure. - [Prompt for Vibecoders](https://docs.browser-use.com/cloud/vibecoding): Complete Cloud SDK reference for AI coding agents. ## Agent - [Introduction](https://docs.browser-use.com/cloud/agent/quickstart): Easiest way to automate the web. Tell this agent in natural lan