Drive a browser

Browserbase

Cloud browser service that runs headless Chrome sessions for agents, controlled over CDP, with proxies, CAPTCHA solving and session replay.

Rate limits

Session creation
5 a minute Free, 25 Developer, 50 Startup, 150+ Scale; 429 when exceeded8
Search API
2 requests a second1
Fetch API
5 requests a second1

Other limits

Minimum billed time
One minute per session8
Maximum session duration
6 hours9
Concurrency across projects
Concurrency is set per organization and split across projects8

Read from Browserbase, Inc.’s own pages on 2026-11-04. Every number links to the page a value came from. For agents, the same facts as markdown: /tools/drive-a-browser/browserbase.md