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OpenCorporates vs SnapshotAPI

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

APIOpenCorporatesDEAD0SnapshotAPIDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

OpenCorporates vs SnapshotAPI: common questions

Which is more reliable, OpenCorporates or SnapshotAPI?

Both are neck-and-neck — OpenCorporates and SnapshotAPI each measure 0.0% 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.

Do OpenCorporates and SnapshotAPI need an API key?

Both ask you to authenticate — OpenCorporates uses an API key and SnapshotAPI 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 OpenCorporates and SnapshotAPI from the browser?

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

Are OpenCorporates and SnapshotAPI free for commercial use?

OpenCorporates has unclear commercial terms, and SnapshotAPI 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.