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HOL Registry Broker vs ModelPartFinder Error Codes

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

APIHOL Registry BrokerHEALTHY94ModelPartFinder Error CodesHEALTHY68
Uptime · 30d
Uptime · 90d99.02%93.1%
Uptime · 30d100%98.3%
P50 · ms386603
P95 · ms9133485
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

HOL Registry Broker vs ModelPartFinder Error Codes: common questions

Which is more reliable, HOL Registry Broker or ModelPartFinder Error Codes?

On our scheduled checks, HOL Registry Broker leads on measured uptime — HOL Registry Broker at 99.02% versus ModelPartFinder Error Codes at 93.1% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, HOL Registry Broker or ModelPartFinder Error Codes?

HOL Registry Broker has the lower median latency in our checks — HOL Registry Broker responds in 386 ms versus ModelPartFinder Error Codes at 603 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do HOL Registry Broker and ModelPartFinder Error Codes need an API key?

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

Can I call HOL Registry Broker and ModelPartFinder Error Codes from the browser?

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

Are HOL Registry Broker and ModelPartFinder Error Codes free for commercial use?

HOL Registry Broker 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.