Developer-first market data API.
FinFeedAPI is a financial data API from API Bricks, the team behind CoinAPI. It provides access to stock market data covering IEX, Euronext, and 40+ global exchanges (delivered T+1), real-time FX and crypto currency data, structured SEC filings (10-K, 10-Q, 8-K and others) with parsing already handled, and prediction market data from Polymarket, Kalshi, Myriad, and Manifold, including live prices, historical OHLCV, and order books.
Data is delivered through REST, WebSocket, or JSON-RPC depending on the product, with an S3 flat-file option for bulk historical datasets used in offline analysis or data warehousing. All products share consistent schemas, authentication, and response formats. The API also supports the Model Context Protocol, allowing LLM-based agents and tools to query the datasets directly.
The service is aimed at development teams building production systems that need financial data - such as trading tools, research pipelines, or AI agents - without integrating and maintaining multiple separate data providers.
It provides stock market data, real-time FX and crypto currency data, structured SEC filings, and prediction markets data all through one API.
Yes, FinFeedAPI offers free credits to start.
It is created by the team behind CoinAPI and runs on production-grade infrastructure designed for sustained, high-volume usage in real applications.
Data can be accessed via REST, WebSocket, JSON-RPC, or S3 flat files depending on how the data is consumed.
Yes, it supports the Model Context Protocol (MCP), allowing LLMs and automated tools to access stock, FX, prediction market, and SEC data directly.
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