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CongressInvests vs Exchangerate.host

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

APICongressInvestsNEW—Exchangerate.hostNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CongressInvests vs Exchangerate.host: common questions

Which is more reliable, CongressInvests or Exchangerate.host?

On our scheduled checks, Exchangerate.host leads on measured uptime — CongressInvests 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 CongressInvests and Exchangerate.host need an API key?

Exchangerate.host needs no key, while CongressInvests requires a free API key. If you want to start calling without signup, reach for Exchangerate.host first.

Can I call CongressInvests and Exchangerate.host from the browser?

Yes — both CongressInvests and Exchangerate.host 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 CongressInvests and Exchangerate.host free for commercial use?

CongressInvests 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.