Congressional Stock Brain vs Finnhub
Same instrument, two spec sheets — measured, not claimed.
Congressional Stock Brain vs Finnhub: common questions
Which is more reliable, Congressional Stock Brain or Finnhub?
On our scheduled checks, Finnhub leads on measured uptime — Congressional Stock Brain at —% versus Finnhub 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 Finnhub need an API key?
Congressional Stock Brain needs no key, while Finnhub 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 Finnhub from the browser?
Yes — both Congressional Stock Brain and Finnhub 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 Congressional Stock Brain and Finnhub free for commercial use?
Congressional Stock Brain has unclear commercial terms, and Finnhub 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.