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ItsThisForThat vs What The Commit

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

APIItsThisForThatHEALTHY98What The CommitHEALTHY79
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms2421312
P95 · ms5554279
Authnonenone
CORSnoyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublished (docs ask you not to hammer it)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ItsThisForThat vs What The Commit: common questions

Which is more reliable, ItsThisForThat or What The Commit?

On our scheduled checks, ItsThisForThat leads on measured uptime — ItsThisForThat at 100% versus What The Commit at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, ItsThisForThat or What The Commit?

ItsThisForThat has the lower median latency in our checks — ItsThisForThat responds in 242 ms versus What The Commit at 1312 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do ItsThisForThat and What The Commit need an API key?

Neither needs a paid key — ItsThisForThat 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 ItsThisForThat and What The Commit from the browser?

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

ItsThisForThat 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.