Free Exchange Rate API
Access real-time and historical FX rates for 45+ currencies through a simple REST API. XRates API provides free currency exchange rate data from trusted sources like the European Central Bank (ECB) and the Central Bank of Russia (CBR).
What Is XRates Exchange Rate API?
XRates API is a RESTful currency exchange rate API that delivers JSON responses with real-time and historical FX rates. Designed for developers, fintech apps, e-commerce platforms, and financial tools, it provides accurate currency data aggregated from multiple central banks.
Whether you need to convert USD to EUR, display live exchange rates, or analyze historical currency trends, XRates API handles it with a simple HTTP request and Bearer token authentication.
Key Features of the Free FX Rates API
45+ World Currencies
Covering major currencies including USD, EUR, GBP, JPY, CHF, CAD, AUD, CNY, RUB and more. Updated every 4 hours from central banks.
Free Tier Available
Start with 100 free API requests per month. No credit card required. Perfect for prototyping, personal projects, and small applications.
Multiple Endpoints
Latest rates, historical rates, currency conversion, time-series data, and rate fluctuation analysis. All through a single API.
Trusted Data Sources
Exchange rates sourced from the European Central Bank (ECB), Central Bank of Russia (CBR), and other official providers with priority-based selection.
Simple JSON REST API
Clean JSON responses, Bearer token authentication, and comprehensive error handling. Works with any programming language.
Fast Response Times
Average response time under 50ms. Built on modern infrastructure with 99.9% uptime SLA for paid plans.
Quick Start: Get Exchange Rates in 3 Steps
Sign Up for Free
Create a free account at xratesapi.com and get your API key instantly. No credit card needed.
Make an API Request
Send a GET request with your Bearer token to fetch the latest exchange rates:
Use the JSON Response
Parse the JSON response in your application. The API returns structured data with exchange rates:
Available API Endpoints
| Endpoint | Description |
|---|---|
| /api/v1/latest | Get the latest exchange rates for all or selected currencies |
| /api/v1/historical | Retrieve historical rates for any past date |
| /api/v1/convert | Convert an amount between two currencies |
| /api/v1/timeseries | Get daily rates for a date range (time-series data) |
| /api/v1/fluctuation | Analyze rate changes between two dates |
| /api/v1/currencies | List all supported currencies with names |
For detailed parameters and examples, see the full API documentation.
Common Use Cases for Currency Exchange Rate APIs
E-commerce: Display product prices in local currencies and process multi-currency payments.
Fintech apps: Power currency converters, portfolio trackers, and financial dashboards.
Travel platforms: Show exchange rates for travelers and calculate trip budgets in foreign currencies.
Accounting software: Automate multi-currency bookkeeping and reconciliation with historical rates.
Data analysis: Analyze FX rate trends and fluctuations with time-series endpoints.
Pricing Plans
XRates API offers a free tier and affordable paid plans to fit any project size. See the full pricing details on our homepage.
Free
$0
100 requests/mo
Basic
$9
10,000 requests/mo
Professional
$29
100,000 requests/mo
Business
$49
Unlimited requests
Start Using the Free Exchange Rate API Today
Sign up now and get 100 free API requests per month. No credit card required.
Create Free Account