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ExchangeRate-API (open) vs Goldprice.dev

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

APIExchangeRate-API (open)HEALTHY98Goldprice.devDYING41
Uptime · 30d
Uptime · 90d100%15.7%
Uptime · 30d100%8.3%
P50 · ms221677
P95 · ms10911297
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Rate limitUnpublishedAnonymous usage caps apply; exact limit unpublished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

ExchangeRate-API (open) vs Goldprice.dev: common questions

Which is more reliable, ExchangeRate-API (open) or Goldprice.dev?

On our scheduled checks, ExchangeRate-API (open) leads on measured uptime — ExchangeRate-API (open) 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, ExchangeRate-API (open) or Goldprice.dev?

ExchangeRate-API (open) has the lower median latency in our checks — ExchangeRate-API (open) responds in 221 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 ExchangeRate-API (open) and Goldprice.dev need an API key?

Neither needs a paid key — ExchangeRate-API (open) 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 ExchangeRate-API (open) and Goldprice.dev from the browser?

Only ExchangeRate-API (open) 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 ExchangeRate-API (open) and Goldprice.dev free for commercial use?

ExchangeRate-API (open) 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.