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ItsThisForThat vs Poptin API

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

APIItsThisForThatHEALTHY99Poptin APIREACHABLE100
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms169698
P95 · ms5551705
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree — limits not published
Rate limitUnpublished (docs ask you not to hammer it)120 req/window · 119 remaining
In directory since2026-07-052026-10-04
operationalpartialdownno data

ItsThisForThat vs Poptin API: common questions

Which is more reliable, ItsThisForThat or Poptin API?

Both are neck-and-neck — ItsThisForThat and Poptin API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, ItsThisForThat or Poptin API?

ItsThisForThat has the lower median latency in our checks — ItsThisForThat responds in 169 ms versus Poptin API at 698 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 Poptin API need an API key?

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

Can I call ItsThisForThat and Poptin API from the browser?

Only Poptin API 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 Poptin API free for commercial use?

ItsThisForThat has unclear commercial terms, and Poptin API 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.