Alpha Vantage

Alpha Vantage is a financial market data provider that delivers stock, options, index, forex, commodity and cryptocurrency data through APIs. Developers get realtime and historical quotes, fundamental data, more than 60 technical and economic indicators, and a market news API with sentiment scores powered by AI and machine learning. Data comes back as JSON or CSV, and spreadsheet add ins are also offered. It is aimed at developers, quantitative researchers, investors, students and educators who need market data in code or in a spreadsheet. The vendor also provides an MCP server so AI agents can query the data directly, and an educational resource called the Alpha Academy. The company describes itself as backed by Y Combinator and as an officially licensed US market data provider for Nasdaq. A free API key is available and allows 25 requests per day. Premium plans remove the daily limit and unlock premium endpoints, priced by requests per minute. Monthly plans run from $49.99 for 75 requests per minute up to $249.99 for 1200 requests per minute, with steps at $99.99, $149.99 and $199.99. Annual plans are listed from $499 to $2499 across the same tiers. Higher limits are available by contacting the vendor. The vendor states there are no surprise overage charges.