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Congressional Stock Brain vs News Plugin

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

APICongressional Stock BrainNEW—News PluginNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Congressional Stock Brain vs News Plugin: common questions

Which is more reliable, Congressional Stock Brain or News Plugin?

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

Neither needs a paid key — Congressional Stock Brain is callable with no signup, and News Plugin is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Congressional Stock Brain and News Plugin from the browser?

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

Are Congressional Stock Brain and News Plugin free for commercial use?

Congressional Stock Brain has unclear commercial terms, and News Plugin 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.