Free Finance APIs
Build financial applications with market data, cryptocurrency prices, and economic indicators.
All Finance APIs
45Aletheia
Insider trading data, earnings call analysis, financial statements, and more
Alpaca
Realtime and historical market data on all US equities and ETFs
Alpha Vantage
Realtime and historical stock data
apilayer marketstack
Real-Time, Intraday & Historical Market Data API
Banco do Brasil
All Banco do Brasil financial transaction APIs
Bank Data API
Instant IBAN and SWIFT number validation across the globe
Billplz
Payment platform
Binlist
Public access to a database of IIN/BIN information
Boleto.Cloud
A api to generate boletos in Brazil
Citi
All Citigroup account and statement data APIs
Econdb
Global macroeconomic data
Fed Treasury
U.S. Department of the Treasury Data
Finage
Finage is a stock, currency, cryptocurrency, indices, and ETFs real-time & historical data provider
Financial Modeling Prep
Realtime and historical stock data
Finnhub
Real-Time RESTful APIs and Websocket for Stocks, Currencies, and Crypto
FRED
Economic data from the Federal Reserve Bank of St. Louis
Front Accounting APIs
Front accounting is multilingual and multicurrency software for small businesses
Hotstoks
Stock market data powered by SQL
IEX Cloud
Realtime & Historical Stock and Market Data
IG
Spreadbetting and CFD Market Data
Indian Mutual Fund
Get complete history of India Mutual Funds Data
Intrinio
A wide selection of financial data feeds
Klarna
Klarna payment and shopping service
MercadoPago
Mercado Pago API reference - all the information you need to develop your integrations
Mono
Connect with users’ bank accounts and access transaction data in Africa
Moov
The Moov API makes it simple for platforms to send, receive, and store money
Nordigen
Connect to bank accounts using official bank APIs and get raw transaction data
OpenFIGI
Equity, index, futures, options symbology from Bloomberg LP
Plaid
Connect with user's bank accounts and access transaction data
Polygon
Historical stock market data
Portfolio Optimizer
Portfolio analysis and optimization
Razorpay IFSC
Indian Financial Systems Code (Bank Branch Codes)
Real Time Finance
Websocket API to access realtime stock data
SEC EDGAR Data
API to access annual reports of public US companies
SmartAPI
Gain access to set of <SmartAPI> and create end-to-end broking services
StockData
Real-Time, Intraday & Historical Market Data, News and Sentiment API
Styvio
Realtime and historical stock data and current stock sentiment
Tax Data API
Instant VAT number and tax validation across the globe
Tradier
US equity/option market data (delayed, intraday, historical)
Twelve Data
Stock market data (real-time & historical)
VAT Validation
Validate VAT numbers and calculate VAT rates
WallstreetBets
WallstreetBets Stock Comments Sentiment Analysis
Yahoo Finance
Real time low latency Yahoo Finance API for stock market, crypto currencies, and currency exchange
YNAB
Budgeting & Planning
Zoho Books
Online accounting software, built for your business
FAQ
What are finance APIs?
Finance APIs are programming interfaces that allow developers to integrate finance-related functionality into their applications, providing access to data and features specific to the finance domain.
Are these finance APIs really free?
Yes — all APIs listed here offer free tiers or are completely free to use. Some may have usage limits or require registration. Always check the specific API's documentation for detailed terms.
How do I get started with finance APIs?
Choose an API that fits your needs, then visit its documentation page. Most APIs require an API key obtained through free registration. Follow the integration guides and examples provided.