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Notion vs SiteIntel

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

APINotionREACHABLE100SiteIntelHEALTHY84
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms5241005
P95 · ms30963849
AuthoauthapiKey
CORSyesno
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?

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

Notion has the lower median latency in our checks — Notion responds in 524 ms versus SiteIntel at 1005 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 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?

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

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.