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Exchange Rates API vs Goldprice.dev

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

APIExchange Rates APIHEALTHY88Goldprice.devDYING41
Uptime · 30d
Uptime · 90d100%15.7%
Uptime · 30d100%8.3%
P50 · ms810677
P95 · ms41621297
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree keyless tier (limited fields); free account lifts caps
Rate limitUnpublishedAnonymous usage caps apply; exact limit unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Exchange Rates API vs Goldprice.dev: common questions

Which is more reliable, Exchange Rates API or Goldprice.dev?

On our scheduled checks, Exchange Rates API leads on measured uptime — Exchange Rates API at 100% versus Goldprice.dev at 15.7% 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, Exchange Rates API or Goldprice.dev?

Goldprice.dev has the lower median latency in our checks — Exchange Rates API responds in 810 ms versus Goldprice.dev at 677 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 Exchange Rates API and Goldprice.dev need an API key?

Neither needs a paid key — Exchange Rates API is callable with no signup, and Goldprice.dev is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Exchange Rates API and Goldprice.dev from the browser?

Only Exchange Rates API is browser-friendly — it returns CORS headers over HTTPS. Goldprice.dev needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Exchange Rates API and Goldprice.dev free for commercial use?

Exchange Rates API has unclear commercial terms, and Goldprice.dev 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.