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Banking API vs Fixer

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

APIBanking APIHEALTHY98FixerHEALTHY92
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms203481
P95 · ms14354584
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Banking API vs Fixer: common questions

Which is more reliable, Banking API or Fixer?

On our scheduled checks, Banking API leads on measured uptime — Banking 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, Banking API or Fixer?

Banking API has the lower median latency in our checks — Banking API responds in 203 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 Banking API and Fixer need an API key?

Both ask you to authenticate — Banking 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 Banking API and Fixer from the browser?

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

Are Banking API and Fixer free for commercial use?

Banking 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.