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FinFeedAPI vs World Trading Data

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

APIFinFeedAPIDEAD0World Trading DataHEALTHY94
Uptime · 30d
Uptime · 90d0.0%99.02%
Uptime · 30d0.0%98.3%
P50 · ms—423
P95 · ms—920
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key may be required for production
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

FinFeedAPI vs World Trading Data: common questions

Which is more reliable, FinFeedAPI or World Trading Data?

On our scheduled checks, World Trading Data leads on measured uptime — FinFeedAPI at 0.0% versus World Trading Data at 99.02% 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 FinFeedAPI and World Trading Data need an API key?

Both ask you to authenticate — FinFeedAPI uses an API key and World Trading Data 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 FinFeedAPI and World Trading Data from the browser?

Only FinFeedAPI is browser-friendly — it returns CORS headers over HTTPS. World Trading Data needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are FinFeedAPI and World Trading Data free for commercial use?

FinFeedAPI has unclear commercial terms, and World Trading Data 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.