CongressInvests vs CurrencyScoop

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms615346
P95 · ms13383195
AuthapiKeyapiKey
CORSyesno
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 CurrencyScoop: common questions

Which is more reliable, CongressInvests or CurrencyScoop?

Both are neck-and-neck — CongressInvests and CurrencyScoop each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, CongressInvests or CurrencyScoop?

CurrencyScoop has the lower median latency in our checks — CongressInvests responds in 615 ms versus CurrencyScoop at 346 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 CongressInvests and CurrencyScoop need an API key?

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

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

Are CongressInvests and CurrencyScoop free for commercial use?

CongressInvests has unclear commercial terms, and CurrencyScoop 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.