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ModelPartFinder Error Codes vs OpenCorporates

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

APIModelPartFinder Error CodesNEW—OpenCorporatesNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no keyFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ModelPartFinder Error Codes vs OpenCorporates: common questions

Which is more reliable, ModelPartFinder Error Codes or OpenCorporates?

On our scheduled checks, OpenCorporates leads on measured uptime — ModelPartFinder Error Codes at —% versus OpenCorporates 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 ModelPartFinder Error Codes and OpenCorporates need an API key?

ModelPartFinder Error Codes needs no key, while OpenCorporates requires a free API key. If you want to start calling without signup, reach for ModelPartFinder Error Codes first.

Can I call ModelPartFinder Error Codes and OpenCorporates from the browser?

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

Are ModelPartFinder Error Codes and OpenCorporates free for commercial use?

ModelPartFinder Error Codes has unclear commercial terms, and OpenCorporates 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.