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Notion vs SLA Uptime Calculator

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

APINotionREACHABLE100SLA Uptime CalculatorHEALTHY82
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms5241373
P95 · ms30962741
Authoauthnone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierOAuth — some read routes may be publicFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Notion vs SLA Uptime Calculator: common questions

Which is more reliable, Notion or SLA Uptime Calculator?

Both are neck-and-neck — Notion and SLA Uptime Calculator 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, Notion or SLA Uptime Calculator?

Notion has the lower median latency in our checks — Notion responds in 524 ms versus SLA Uptime Calculator at 1373 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 Notion and SLA Uptime Calculator need an API key?

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

Can I call Notion and SLA Uptime Calculator from the browser?

Yes — both Notion and SLA Uptime Calculator send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Notion and SLA Uptime Calculator free for commercial use?

Notion has unclear commercial terms, and SLA Uptime Calculator 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.