ModelPartFinder Error Codes vs The Guardian

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

Uptime · 30d
Uptime · 90d98.9%50.6%
Uptime · 30d98.3%0.0%
P50 · ms485517
P95 · ms34852726
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no keyFree developer key — registration required
Rate limitUnpublished5000 calls/day (developer tier)
In directory since2026-07-052026-07-05
operationalpartialdownno data

ModelPartFinder Error Codes vs The Guardian: common questions

Which is more reliable, ModelPartFinder Error Codes or The Guardian?

On our scheduled checks, ModelPartFinder Error Codes leads on measured uptime — ModelPartFinder Error Codes at 98.9% versus The Guardian at 50.6% 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, ModelPartFinder Error Codes or The Guardian?

ModelPartFinder Error Codes has the lower median latency in our checks — ModelPartFinder Error Codes responds in 485 ms versus The Guardian at 517 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 ModelPartFinder Error Codes and The Guardian need an API key?

ModelPartFinder Error Codes needs no key, while The Guardian 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 The Guardian from the browser?

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

Are ModelPartFinder Error Codes and The Guardian free for commercial use?

ModelPartFinder Error Codes has unclear commercial terms, and The Guardian 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.