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Finance & Market Data
Stock, fundamentals and economic data APIs and research tools.
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SEC EDGAR
US company filings and financial facts as JSON; requires a descriptive User-Agent header.
FreeNo authFRED Economic Data
Hundreds of thousands of economic time series from the St. Louis Fed, free with an API key.
FreeAPI keyPlaid
Connects apps to users' bank accounts for balances, transactions and identity data.
PaidAPI keyAlpha Vantage
Stock, forex and crypto market data API.
Free tierAPI keyPolygon.io
Real-time and historical market data API.
Free tierAPI keyFinnhub
Stock, forex and crypto data and news APIs.
Free tierAPI keyTwelve Data
Market data API for stocks, forex and crypto.
Free tierAPI keyFinancial Modeling Prep
Financial statements and market data API.
Free tierAPI keyTiingo
Financial research and market data API.
Free tierAPI keyMarketstack
Stock market data JSON API.
Free tierAPI keyEODHD
End-of-day, intraday and fundamental data.
Free tierAPI keyNasdaq Data Link
Financial and economic datasets.
Free tierAPI keySEC EDGAR APIs
Official free APIs for SEC filings and company facts.
FreeNo authyfinance
Python library for Yahoo Finance data.
FreeNo authOpenBB
Open-source investment research platform and data connectors.
FreeNo authAlpaca
Commission-free trading and market data API.
Free tierAPI keyInteractive Brokers API
Trading API from Interactive Brokers.
PaidOAuthWorld Bank Indicators API
Free global development indicator data.
FreeNo authStooq
Free historical market data downloads.
FreeNo authFinancial Datasets
Financial data API built for AI agents.
Free tierAPI keyTreasury FiscalData API
US Treasury fiscal data API.
FreeNo authOpen Banking Tracker
Directory of open banking APIs.
FreeNo auth