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bitpay API vs Fixer

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

APIbitpay APINEW—FixerNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

bitpay API vs Fixer: common questions

Which is more reliable, bitpay API or Fixer?

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

Both ask you to authenticate — bitpay API uses an API key and Fixer uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call bitpay API and Fixer from the browser?

Yes — both bitpay API and Fixer 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 bitpay API and Fixer free for commercial use?

bitpay API has unclear commercial terms, and Fixer 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.