httpSMS vs Notion

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

Uptime · 30d
Uptime · 90d0.0%100%
Uptime · 30d0.0%100%
P50 · ms524
P95 · ms3096
AuthapiKeyoauth
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredOAuth — some read routes may be public
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

httpSMS vs Notion: common questions

Which is more reliable, httpSMS or Notion?

On our scheduled checks, Notion leads on measured uptime — httpSMS at 0.0% versus Notion at 100% 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 httpSMS and Notion need an API key?

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

Can I call httpSMS and Notion from the browser?

Yes — both httpSMS and Notion 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 httpSMS and Notion free for commercial use?

httpSMS 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.