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MarketAux vs Warnely

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

APIMarketAuxDEAD0WarnelyDYING89
Uptime · 30d
Uptime · 90d0.0%90.2%
Uptime · 30d0.0%83.3%
P50 · ms—334
P95 · ms—1375
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — token requiredFree — limits not published
Rate limit100 requests/day on free plan100 req/window · 99 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

MarketAux vs Warnely: common questions

Which is more reliable, MarketAux or Warnely?

On our scheduled checks, Warnely leads on measured uptime — MarketAux at 0.0% versus Warnely at 90.2% 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 MarketAux and Warnely need an API key?

Warnely needs no key, while MarketAux requires a free API key. If you want to start calling without signup, reach for Warnely first.

Can I call MarketAux and Warnely from the browser?

Neither sends browser-friendly CORS headers reliably, so call MarketAux and Warnely from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are MarketAux and Warnely free for commercial use?

MarketAux has unclear commercial terms, and Warnely 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.