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MarketAux vs World News API

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

APIMarketAuxNEW—World News APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — token requiredFree — 50 API points/day
Rate limit100 requests/day on free plan50 points/day on free plan
In directory since2026-07-052026-07-05
operationalpartialdownno data

MarketAux vs World News API: common questions

Which is more reliable, MarketAux or World News API?

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

Both ask you to authenticate — MarketAux uses an API key and World News API 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 MarketAux and World News API from the browser?

Yes — both MarketAux and World News API 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 MarketAux and World News API free for commercial use?

MarketAux has unclear commercial terms, and World News API 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.