CongressInvests vs Finnhub
Same instrument, two spec sheets — measured, not claimed.
CongressInvests vs Finnhub: common questions
Which is more reliable, CongressInvests or Finnhub?
On our scheduled checks, Finnhub leads on measured uptime — CongressInvests 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 CongressInvests and Finnhub need an API key?
Both ask you to authenticate — CongressInvests uses an API key and Finnhub uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.
Can I call CongressInvests and Finnhub from the browser?
Yes — both CongressInvests 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 CongressInvests and Finnhub free for commercial use?
CongressInvests 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.