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bitpay API vs Congressional Stock Brain

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

APIbitpay APINEW—Congressional Stock BrainNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

bitpay API vs Congressional Stock Brain: common questions

Which is more reliable, bitpay API or Congressional Stock Brain?

On our scheduled checks, Congressional Stock Brain leads on measured uptime — bitpay API at —% versus Congressional Stock Brain 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 bitpay API and Congressional Stock Brain need an API key?

Congressional Stock Brain needs no key, while bitpay API requires a free API key. If you want to start calling without signup, reach for Congressional Stock Brain first.

Can I call bitpay API and Congressional Stock Brain from the browser?

Yes — both bitpay API and Congressional Stock Brain 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 bitpay API and Congressional Stock Brain free for commercial use?

bitpay API has unclear commercial terms, and Congressional Stock Brain 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.