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CongressInvests vs CurrencyFreaks

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

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

CongressInvests vs CurrencyFreaks: common questions

Which is more reliable, CongressInvests or CurrencyFreaks?

On our scheduled checks, CurrencyFreaks leads on measured uptime — CongressInvests at —% versus CurrencyFreaks 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 CurrencyFreaks need an API key?

Both ask you to authenticate — CongressInvests uses an API key and CurrencyFreaks 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 CongressInvests and CurrencyFreaks from the browser?

Yes — both CongressInvests and CurrencyFreaks 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 CurrencyFreaks free for commercial use?

CongressInvests has unclear commercial terms, and CurrencyFreaks 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.