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Goldprice.dev vs Marketstack

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

APIGoldprice.devNEW—MarketstackNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree keyless tier (limited fields); free account lifts capsFree tier — key may be required
Rate limitAnonymous usage caps apply; exact limit unpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Goldprice.dev vs Marketstack: common questions

Which is more reliable, Goldprice.dev or Marketstack?

On our scheduled checks, Marketstack leads on measured uptime — Goldprice.dev at —% versus Marketstack 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 Goldprice.dev and Marketstack need an API key?

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

Can I call Goldprice.dev and Marketstack from the browser?

Neither sends browser-friendly CORS headers reliably, so call Goldprice.dev and Marketstack from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Goldprice.dev and Marketstack free for commercial use?

Goldprice.dev has unclear commercial terms, and Marketstack 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.