News — entry 008 of 17
MarketAux
Marketaux focuses on financial and stock-market news, tagging articles with entities, tickers, and a -1 to +1 sentiment score across over 200,000 entities and 5,000+ sources in 30+ languages. The free plan allows 100 requests/day returning up to 3 articles each; paid Basic through Pro 50K tiers raise both the daily request cap and articles-per-request limit, plus unlock the entity-level Market Stats endpoint. Access is JSON over a single API-key parameter.
AuthenticationAPI KeySign up with the provider to obtain credentials.
HTTPSSupportedTraffic is encrypted in transit.
CORSEnabledCallable directly from browser JavaScript.
PricingFreemiumA usable free tier exists, with paid plans for more volume.
FormatsJSONResponses can be requested as JSON.
GreatAPIs Score
Score75
Authentication15/25API key required
Pricing17/20Freemium tier available
Docs14/20Documentation URL provided
Formats9/15Single response format
Freshness20/20Verified within 6 months
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<a href="https://greatapis.com/api/marketaux/"><img src="https://greatapis.com/badge/marketaux.svg" alt="Scored 75 on greatapis.com"></a>Auth quickstart
- Get a key at the provider
- Send it on every request as a header
Authorization: <key> - The exact header isn't documented — Authorization is a common default; confirm in the provider's docs.
Stored keyNo key stored
Your key is stored only in this browser (localStorage) and sent directly to the API — never to greatapis.
Developer reference
Rate limit
Free tier: 100 requests/day (Basic $29/mo: 2,500/day; Standard $49/mo: 10,000/day) -- per marketaux.com/pricing