Alpha Vantage
★ 4/5 · Free API
Alpha Vantage provides API access for developers to integrate AI or data capabilities into applications.
Pros
- Provides free API access to real-time and historical financial data across stocks, ETFs, forex, crypto, and commodities
- includes 50+ technical indicators and AI-powered market sentiment scoring
- Y Combinator-backed with developer-friendly APIs
Cons
- Free tier likely has usage rate limits not publicly documented
- supports multiple asset classes but may require separate API calls for each
- no enterprise pricing tier information published
Cost
Free tier; premium tiers pricing not listed
Verdict
Best for individual developers and startups building financial applications who need free, comprehensive market data APIs without licensing fees.
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