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bitpay API vs Fixer

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

APIbitpay APIHEALTHY93FixerHEALTHY92
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms489481
P95 · ms22444584
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, bitpay API leads on measured uptime — bitpay API at 100% versus Fixer at 99.02% 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, bitpay API or Fixer?

Fixer has the lower median latency in our checks — bitpay API responds in 489 ms versus Fixer at 481 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 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.