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+ 0 = . / , ] g " # ) > /v1/apis · THE FREE API DIRECTORY
Public APIs[0025]
25 free public APIs across 52 categories. Filter by auth, CORS, HTTPS support — find what you need to build with.
Abstract VAT Validation
Validate VAT numbers and calculate VAT rates
Aletheia
Insider trading data, earnings call analysis, financial statements, and more
ArgentoFX
Real-time foreign exchange rates for Argentina
Banco do Brasil
All Banco do Brasil financial transaction APIs
DolarAPI
Real-time exchange rates for Latin American currencies
Econdb
Global macroeconomic data
FRED
Economic data from the Federal Reserve Bank of St. Louis
Front Accounting APIs
Front accounting is multilingual and multicurrency software for small businesses
FXMacroData
Real-time forex macroeconomic API for all major currency pairs sourced from central bank announcements
IEX Cloud
Realtime & Historical Stock and Market Data
IIN API
IIN API allows you to accurately identify the issuing bank, card type, country of origin, and other details from a credit or debit card number. This is essential for fraud prevention, payment processing, and customer verification.
Open Bank Project
Enable account holders to interact with their banks using a wider range of applications and services
OpenFIGI
Equity, index, futures, options symbology from Bloomberg LP
ParityVend
Globalize your business by auto-adapting pricing for each visitor with Purchasing Power Parity
Portfolio Optimizer
Portfolio analysis and optimization
RentCast
Retrieve real-time property and rental data for real estate in the United States
SEC EDGAR Data
API to access annual reports of public US companies
StockData
Real-Time, Intraday & Historical Market Data, News and Sentiment API
TradeWatch
Real time financial market data
Tradier
US equity/option market data (delayed, intraday, historical)
Validate IBAN API
This API lets you quickly validate IBAN bank codes
Validate Swift/BIC
Validates BIC/SWIFT code
ValueRay
Technical, quantitative and sentiment data for stocks and ETFs, optimized for AI/LLM
xChangeApi
Exchange rates & real time market data
YNAB
Budgeting & Planning