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Congressional Stock Brain vs Edgrapi

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

APICongressional Stock BrainNEW—EdgrapiNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Congressional Stock Brain vs Edgrapi: common questions

Which is more reliable, Congressional Stock Brain or Edgrapi?

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

Congressional Stock Brain needs no key, while Edgrapi 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 Edgrapi from the browser?

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

Are Congressional Stock Brain and Edgrapi free for commercial use?

Congressional Stock Brain has unclear commercial terms, and Edgrapi 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.