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ItsThisForThat vs Notion

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

APIItsThisForThatHEALTHY98NotionREACHABLE100
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms242524
P95 · ms5553096
Authnoneoauth
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedOAuth — some read routes may be public
Rate limitUnpublished (docs ask you not to hammer it)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ItsThisForThat vs Notion: common questions

Which is more reliable, ItsThisForThat or Notion?

Both are neck-and-neck — ItsThisForThat and Notion 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 Notion?

ItsThisForThat has the lower median latency in our checks — ItsThisForThat responds in 242 ms versus Notion at 524 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 Notion need an API key?

ItsThisForThat needs no key, while Notion requires OAuth. If you want to start calling without signup, reach for ItsThisForThat first.

Can I call ItsThisForThat and Notion from the browser?

Only Notion 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 Notion free for commercial use?

ItsThisForThat has unclear commercial terms, and Notion 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.