WhatIsMyBrowser.com API
FreemiumLiveLast verified 29 Sept 2026
Detects browser, OS, device and bots from user agents and client hints, flagging fake or risky requests.
Example request
curl -s 'https://api.whatismybrowser.com/api/v3/version_numbers' -H 'X-API-KEY: $API_KEY'
Free tier, in plain English
The free Basic plan covers 5,000 detections a month with basic detail. Paid plans from AUD 25/month add version checks and risk flags.
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