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Notion vs SiteIntel

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

APINotionREACHABLE—SiteIntelNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthoauthapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierOAuth — some read routes may be publicFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Notion vs SiteIntel: common questions

Which is more reliable, Notion or SiteIntel?

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

Do Notion and SiteIntel need an API key?

Both ask you to authenticate — Notion uses OAuth and SiteIntel uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Notion and SiteIntel from the browser?

Neither sends browser-friendly CORS headers reliably, so call Notion and SiteIntel from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Notion and SiteIntel free for commercial use?

Notion has unclear commercial terms, and SiteIntel 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.