Exchangerate.host

About Exchangerate.host

Exchangerate.host is a REST API providing real-time and historical foreign exchange rates, covering approximately 168 forex currencies, precious metals, and cryptocurrency rates. It offers endpoints for latest rates, currency conversion, historical rates, time-series data, fluctuation data, and supported symbols, with responses available in JSON, XML, CSV, or TSV format. Data can be sourced from forex markets, bank views (such as the European Central Bank), or crypto currencies, and the API supports JSONP callbacks and base/symbol filtering.

The API is built and maintained by APILayer, a Vienna, Austria-based company that offers a suite of developer APIs (including Fixer, Numverify, Weatherstack, and others) accessible through a single account and API key. It reports an average uptime of about 99.9% and historical data going back 19 years.

The service targets developers needing to integrate currency conversion or exchange rate data into applications, spreadsheets, or business tools. A free tier offers 100 monthly requests, with paid plans starting at $14.99/month for 10,000 requests. Client libraries or code examples are provided for JavaScript, PHP, cURL, Go, Java, Python, Ruby, Perl, R, Objective C, and spreadsheet tools like Excel and Google Sheets.

Key features

• Real-time and historical foreign exchange rates for ~168 currencies
• Crypto and precious metals exchange rate data
• Currency conversion endpoint for single amounts
• Time-Series and daily fluctuation data endpoints
• JSON output with optional XML, CSV, or TSV formatting and JSONP callback support
• 19 years of historical EOD exchange rate data

Frequently asked questions