Developer-facing REST/WebSocket market data API

Name: Developer-facing REST/WebSocket market data API: real-time and historical US equity prices down to tick level, full options chains (real-time streaming plus EOD), standardized and as-reported US fundamentals, analyst estimates and price targets, ETF holdings/analytics, corporate events, insider and institutional holdings, ESG ratings, mutual fund and index data, with Python/Ruby/JavaScript SDKs and an MCP server for LLM pipelines
Creator: Intrinio

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Developer-facing REST/WebSocket market data API: real-time and historical US equity prices down to tick level, full options chains (real-time streaming plus EOD), standardized and as-reported US fundamentals, analyst estimates and price targets, ETF holdings/analytics, corporate events, insider and institutional holdings, ESG ratings, mutual fund and index data, with Python/Ruby/JavaScript SDKs and an MCP server for LLM pipelines

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Coverage

Universe, instruments and categories.

Industry: Financial Exchanges & Data
Instruments: equitiesoptionsETFsmutual fundsindices