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Congressional Stock Brain vs CoinGecko

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

APICongressional Stock BrainUNMONITORED—CoinGeckoDEGRADED—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedProprietary — attribution required
Free tierFree — limits not published10k calls/mo demo key, no card
Rate limitUnpublished~30/min, tightens under load
In directory since2026-07-052026-05-02
operationalpartialdownno data

Congressional Stock Brain vs CoinGecko: common questions

Which is more reliable, Congressional Stock Brain or CoinGecko?

Only CoinGecko is on our probe schedule so far (—% uptime over 90 days). The other is catalogued but not yet live-checked, so we can't compare measured reliability head-to-head — check the uncovered API's own status page for now.

Do Congressional Stock Brain and CoinGecko need an API key?

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

Can I call Congressional Stock Brain and CoinGecko from the browser?

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

Are Congressional Stock Brain and CoinGecko free for commercial use?

Congressional Stock Brain has unclear commercial terms, and CoinGecko 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.