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MarketAux vs NewsCatcher

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

APIMarketAuxDEAD0NewsCatcherDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — token requiredFree tier — API key required
Rate limit100 requests/day on free planUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

MarketAux vs NewsCatcher: common questions

Which is more reliable, MarketAux or NewsCatcher?

Both are neck-and-neck — MarketAux and NewsCatcher each measure 0.0% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Do MarketAux and NewsCatcher need an API key?

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

Neither sends browser-friendly CORS headers reliably, so call MarketAux and NewsCatcher 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 NewsCatcher free for commercial use?

MarketAux has unclear commercial terms, and NewsCatcher 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.