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Catchdoms Security API vs What The Commit

Same instrument, two spec sheets — measured, not claimed.

APICatchdoms Security APINEW—What The CommitNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Catchdoms Security API vs What The Commit: common questions

Which is more reliable, Catchdoms Security API or What The Commit?

On our scheduled checks, What The Commit leads on measured uptime — Catchdoms Security 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 Catchdoms Security API and What The Commit need an API key?

Neither needs a paid key — Catchdoms Security 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 Catchdoms Security API and What The Commit from the browser?

Neither sends browser-friendly CORS headers reliably, so call Catchdoms Security 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 Catchdoms Security API and What The Commit free for commercial use?

Catchdoms Security 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.