Free tier
10 toolsTools with this pricing
Plaid
Connect bank accounts and access transactions, balances, and identity via one open banking API.
Banking & Open Finance
APIUS, UK, EuropeFree tier
Massive (formerly Polygon.io)
Real-time and historical market data for stocks, options, forex, and crypto over low-latency websockets.
Financial Data & Market Data
APIGlobalFree tier
Alpaca
Commission-free US stock and crypto trading API for building brokerage and wealth apps.
Investing & Wealth
APIUSFree tier
Open Exchange Rates
Reliable, up-to-date currency data and exchange rates API.
Financial Data & Market Data
APIGlobalFree tier
Finnhub
Real-time market data, fundamentals, and alternative data with a usable free tier.
Financial Data & Market Data
APIGlobalFree tier
Twelve Data
Stock, forex, and crypto data over REST and websockets, with a generous free tier.
Financial Data & Market Data
APIGlobalFree tier
Financial Modeling Prep
Fundamentals, statements, and valuation data for equities research tooling.
Financial Data & Market Data
APIGlobalFree tier
Alpha Vantage
Free market data API covering equities, forex, crypto, and technical indicators.
Financial Data & Market Data
APIGlobalFree tier
Formance
Open SourceOpen-source programmable ledger for modelling money movement in your own stack.
Developer Infrastructure
API, OSSGlobalFree tier
OpenBB
Open SourceOpen-source investment research platform and Python toolkit for market data.
Financial Data & Market Data
Platform, OSSGlobalFree tier