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Sirv vs The Office API

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

APISirvNEW—The Office APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Sirv vs The Office API: common questions

Which is more reliable, Sirv or The Office API?

On our scheduled checks, The Office API leads on measured uptime — Sirv at —% versus The Office API 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 Sirv and The Office API need an API key?

The Office API needs no key, while Sirv requires a free API key. If you want to start calling without signup, reach for The Office API first.

Can I call Sirv and The Office API from the browser?

Yes — both Sirv and The Office API 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 Sirv and The Office API free for commercial use?

Sirv has unclear commercial terms, and The Office API 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.