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Bargo Congress Trades API vs Yahoo Finance Chart

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

APIBargo Congress Trades APINEW—Yahoo Finance ChartHEALTHY99
Uptime · 30d
Uptime · 90d—%100%
Uptime · 30d—%100%
P50 · ms—206
P95 · ms—407
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseUnverified
Free tierFree — limits not published
Rate limit30 req/window · 29 remainingUnpublished
In directory since2026-07-272026-07-05
operationalpartialdownno data

Bargo Congress Trades API vs Yahoo Finance Chart: common questions

Which is more reliable, Bargo Congress Trades API or Yahoo Finance Chart?

On our scheduled checks, Yahoo Finance Chart leads on measured uptime — Bargo Congress Trades API at —% versus Yahoo Finance Chart at 100% 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 Bargo Congress Trades API and Yahoo Finance Chart need an API key?

Neither needs a paid key — Bargo Congress Trades API is callable with no signup, and Yahoo Finance Chart is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Bargo Congress Trades API and Yahoo Finance Chart from the browser?

Only Bargo Congress Trades API is browser-friendly — it returns CORS headers over HTTPS. Yahoo Finance Chart needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Bargo Congress Trades API and Yahoo Finance Chart free for commercial use?

Bargo Congress Trades API allows commercial use on its free tier, and Yahoo Finance Chart 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.