MetalpriceAPI vs PredScope

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

MetalpriceAPI vs PredScope: common questions

Which is more reliable, MetalpriceAPI or PredScope?

On our scheduled checks, PredScope leads on measured uptime — MetalpriceAPI at —% versus PredScope 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 MetalpriceAPI and PredScope need an API key?

PredScope needs no key, while MetalpriceAPI requires a free API key. If you want to start calling without signup, reach for PredScope first.

Can I call MetalpriceAPI and PredScope from the browser?

Yes — both MetalpriceAPI and PredScope send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are MetalpriceAPI and PredScope free for commercial use?

MetalpriceAPI has unclear commercial terms, and PredScope 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.