User Agent Lookup API vs What The Commit
Same instrument, two spec sheets — measured, not claimed.
User Agent Lookup API vs What The Commit: common questions
Which is more reliable, User Agent Lookup API or What The Commit?
On our scheduled checks, What The Commit leads on measured uptime — User Agent Lookup API at —% versus What The Commit at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do User Agent Lookup API and What The Commit need an API key?
Neither needs a paid key — User Agent Lookup API is callable with no signup, and What The Commit is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call User Agent Lookup API and What The Commit from the browser?
Neither sends browser-friendly CORS headers reliably, so call User Agent Lookup API and What The Commit from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are User Agent Lookup API and What The Commit free for commercial use?
User Agent Lookup API has unclear commercial terms, and What The Commit has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.