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Browserbase is the complete platform to build and deploy agents that browse and interact with the web like humans. One API key gives your agent headless browsers, web search, page fetching, functions, model access, and identity.

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The Platform

Browsers

Fleets of headless browsers at scale with isolated sessions and global infrastructure.

Search & Fetch

A fast, token-efficient complement to browser sessions for searching and fetching web content.

Agent Identity

Get agents past anti-bot systems, CAPTCHAs, and auth walls via strategic partnerships.

Functions

Deploy agents next to the browser. No schedulers, no infra. Just deploy.

Model Gateway

Access major models natively through Stagehand. One endpoint, unified billing.

Stagehand

AI-native browser agents and automations with natural language selectors.
All powered by best-in-class observability, with rich logs, live view, and session replays across every agent step.

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Why Browserbase?

  • Agents need the full web. Traditional APIs only cover ~15% of it. The rest is behind logins, JS rendering, CAPTCHAs, and interactive flows. That requires a browser.
  • One platform, not 5+ vendors. Browsers, search, fetch, models, and deployment under one API key, one bill, and one debugger.
  • Website identity and access. Agent Identity helps participating websites recognize your agent. Each website still decides whether to allow access. Use website authentication to sign in to a user account.
  • Faster, more secure execution. Functions run your code next to the browser with < 5ms latency. No Temporal, no schedulers, and no containers.

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Stagehand

Stagehand is the SDK for browser agents. It combines Playwright-level control with AI primitives (act, extract, observe) that self-heal when pages change. It plugs into LangChain, CrewAI, Mastra, and more.

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Get started

Quickstart

Start your first browser session in minutes.

Skills & Prompts

Give your agent a browser with a single prompt.

Templates

Clone and run from 30+ real-world templates.

SDKs & APIs

SDKs and full REST API reference.