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Bill Payment Validator vs Exchangerate.host

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

APIBill Payment ValidatorNEW—Exchangerate.hostNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Bill Payment Validator vs Exchangerate.host: common questions

Which is more reliable, Bill Payment Validator or Exchangerate.host?

On our scheduled checks, Exchangerate.host leads on measured uptime — Bill Payment Validator at —% versus Exchangerate.host 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 Bill Payment Validator and Exchangerate.host need an API key?

Neither needs a paid key — Bill Payment Validator is callable with no signup, and Exchangerate.host is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Bill Payment Validator and Exchangerate.host from the browser?

Only Exchangerate.host is browser-friendly — it returns CORS headers over HTTPS. Bill Payment Validator needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Bill Payment Validator and Exchangerate.host free for commercial use?

Bill Payment Validator has unclear commercial terms, and Exchangerate.host 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.