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Lookup.im API vs ModelPartFinder Error Codes

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

APILookup.im APINEW—ModelPartFinder Error CodesNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Lookup.im API vs ModelPartFinder Error Codes: common questions

Which is more reliable, Lookup.im API or ModelPartFinder Error Codes?

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

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

Can I call Lookup.im API and ModelPartFinder Error Codes from the browser?

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

Are Lookup.im API and ModelPartFinder Error Codes free for commercial use?

Lookup.im API has unclear commercial terms, and ModelPartFinder Error Codes 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.