Anchor Browser API
The Anchor Browser REST API exposes cloud browser sessions for AI agents. It covers session lifecycle (create, async create, status, end, list history), batch session creation (up to 5,000 simultaneous sessions), browser profiles (save/load cookies, local storage, cache), file upload/download inside sessions, recording with pause/resume, custom browser extensions, AI-driven task execution (Claude, Gemini, OpenAI), web unlocker for bot-protected sites, captcha solving, ad/popup blocking, sticky residential IPs, secret management, and CA certificate management. SDKs are Stainless-generated and an OpenAPI specification is published.