Browserbase

Browserbase, used by more than 10,000 companies including Microsoft, Stripe, Vercel, Okta, and Anthropic, enables AI agents to interact with websites the way humans do. It provides real browser instances for agents to use the web, Search and Fetch APIs to query Google and convert URLs into structured HTML, JSON, or Markdown data, and Agent Management to scale fully managed browser agents with prompts. Its Runtime offers sandboxed environments for deployments, Identity handles authentication for agent-based logins, and Observability provides debugging tools with replays and logs. Browserbase also maintains the open-source Stagehand SDK and Browse CLI for developers. The Free plan offers $0/month with 3 concurrent browsers and 1 browser hour; Developer is $20/month with 25 concurrent browsers and 100 browser hours (then $0.12/hour); Startup is $99/month with 100 concurrent browsers and 500 browser hours; and Scale offers custom pricing for 250+ concurrent browsers.