Markets
Quotes, price history, movers, screeners, calendars, options, and fund holdings.
bluefin
Free finance data API
A federated market data API for quotes, fundamentals, options, calendars, filings, public records, and source-backed financial research.
source APIs
cataloged routes
OpenAPI paths
free requests per minute
Quickstart
Bluefin chooses useful sources by default and returns provenance with the response. Source-specific APIs stay visible when you need exact upstream contracts.
curl "https://api.bluefin.dev/v1/quote?symbols=AAPL,MSFT"
curl "https://api.bluefin.dev/v1/search?q=apple"
curl "https://api.bluefin.dev/v1/entities/resolve?q=Apple%20Inc"
Routes
Quotes, price history, movers, screeners, calendars, options, and fund holdings.
Statements, valuation, ownership, transcripts, ratings, filings, and corporate events.
SEC facts, FINRA/OTC data, FDIC banks, Treasury series, FRED macro series, LEIs, and public records.
Source coverage
Use the facade at api.bluefin.dev for normalized workflows, or inspect individual source APIs when you need provider-level routes and OpenAPI files.