Frankfurter vs Goldprice.dev

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

Uptime · 30d
Uptime · 90d88.2%15.7%
Uptime · 30d86.7%8.3%
P50 · ms370677
P95 · ms49861297
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licensePublic data (ECB reference rates)Unverified
Free tierUnlimited — abuse-rate-limited onlyFree keyless tier (limited fields); free account lifts caps
Rate limitUnpublished, generousAnonymous usage caps apply; exact limit unpublished
In directory since2026-05-022026-07-05
operationalpartialdownno data

Frankfurter vs Goldprice.dev: common questions

Which is more reliable, Frankfurter or Goldprice.dev?

On our scheduled checks, Frankfurter leads on measured uptime — Frankfurter at 88.2% 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, Frankfurter or Goldprice.dev?

Frankfurter has the lower median latency in our checks — Frankfurter responds in 370 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 Frankfurter and Goldprice.dev need an API key?

Neither needs a paid key — Frankfurter 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 Frankfurter and Goldprice.dev from the browser?

Only Frankfurter 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 Frankfurter and Goldprice.dev free for commercial use?

Frankfurter allows commercial use on its free tier, 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.