Finance — entry 039 of 47
StockData
StockData.org provides real-time and historical stock prices plus news and sentiment aggregated from 70+ exchanges, returned as JSON from a REST endpoint authenticated with an API token. Its free tier permits 100 requests/day with up to 3 symbols per quote request and 1 month of history; four paid tiers scale from $29/month (Basic, 2,500 requests/day) to $199/month (Pro 50K, 50,000 requests/day) with progressively higher symbol limits and full historical depth.
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
Score61
Authentication15/25API key required
Pricing17/20Freemium tier available
Docs0/20No docs or spec available
Formats9/15Single response format
Freshness20/20Verified within 6 months
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<a href="https://greatapis.com/api/stockdata/"><img src="https://greatapis.com/badge/stockdata.svg" alt="Scored 61 on greatapis.com"></a>Auth quickstart
- Sign up with the provider to get an API key.
- 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.