currencyapi API Documentation
Use currencyapi to handle your exchange rate conversions. Our API helps you with current and historical foreign exchanges rates. Stop worrying about uptime & outdated data.
Building with an AI assistant? The full API is available as a machine-readable OpenAPI 3.1 specification, and the documentation is published as llms.txt / llms-full.txt. There is also a hosted MCP server at https://api.currencyapi.com/mcp that AI agents can connect to directly.
Getting started
To get started, you have to register an API key here. Then, follow our quickstart guide or continue reading our documentation and integrate currencyapi, using our HTTP API, dedicated client SDKs or Postman Collection. Ultimately, upgrade your plan to access all data & endpoints.
Guides
SDKs
Developer experience matters to us. Integrate currencyapi using one of our pre-built integrations.
Rate Limit & Quotas
Understand which endpoints count towards your monthly request quota and impact your rate limit.
Request Status Codes
Read about the different success & error status codes returned by the currencyapi API.
Endpoints
API Status
Learn how to programatically retrieve your API quota and check whether the API is up.
Supported Currencies
Learn which currencies can be queried with the currencyapi API.
Latest Exchange Rates
Learn how to retrieve the latest exchange rates for any given base currency.
Historical Exchange Rates
Learn how to retrieve historical exchange rates data for any given base currency.
Date Range Exchange Rates
Learn how to retrieve currency exchange data for a given date range with just one API call.
Convert Exchange Rates
Learn how to convert any value to a value of a different exchange rate.