Limits

Available on Workers Paid plan

Workers Binding API

Feature	Limit
Concurrent browsers per account	10 per account 1
New browser instances per minute	10 per minute 1
Browser timeout	60 seconds 12

REST API

Feature	Limit
Concurrent browsers per account	10 per account 1
New browser instances per minute	10 per minute 1
Browser timeout	60 seconds 12
Total requests per minute	60 per minute 1

Need a higher limit?

To request an increase to a limit, complete the Limit Increase Request Form ↗. If the limit can be increased, Cloudflare will contact you with next steps.

Footnotes

1. Contact our team to request increases to this limit. ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷

2. By default, a browser instance gets killed if it does not get any devtools ↗ command for 60 seconds, freeing one instance. Users can optionally increase this by using the keep_alive option. browser.close() releases the browser instance. ↩ ↩²