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ItsThisForThat vs Sheet2API

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

APIItsThisForThatHEALTHY98Sheet2APIHEALTHY79
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms2423070
P95 · ms5554902
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublished (docs ask you not to hammer it)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ItsThisForThat vs Sheet2API: common questions

Which is more reliable, ItsThisForThat or Sheet2API?

On our scheduled checks, ItsThisForThat leads on measured uptime — ItsThisForThat at 100% versus Sheet2API 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 Sheet2API?

ItsThisForThat has the lower median latency in our checks — ItsThisForThat responds in 242 ms versus Sheet2API at 3070 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 Sheet2API need an API key?

ItsThisForThat needs no key, while Sheet2API requires a free API key. If you want to start calling without signup, reach for ItsThisForThat first.

Can I call ItsThisForThat and Sheet2API from the browser?

Only Sheet2API is browser-friendly — it returns CORS headers over HTTPS. ItsThisForThat needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are ItsThisForThat and Sheet2API free for commercial use?

ItsThisForThat has unclear commercial terms, and Sheet2API 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.