Frankfurter
frankfurter.devFree exchange rates and currency data API for 223 currencies from central banks and official sources.
What your agent can do
Retrieve reference currency exchange rates for a base and quote currency.
Via API.
Tasks depend on the interface and permissions.
Connection methods
Choose a route that fits your agent.
MCP
For compatible agent apps
no account or key
View setup for MCPAPI
For custom integrations
no account or key
View paths for APIMCP connection
MCP server URL
https://mcp.frankfurter.dev/- Authentication
- No sign-in required.
API connection
API path
https://api.frankfurter.dev/v2/rates- Authentication
- No sign-in required.
- Pricing
- Free tier · Public API
GET https://api.frankfurter.dev/v2/rates?base=%3CBASE_CURRENCY%3E"es=%3CQUOTE_CURRENCY%3E
View sources and checks
- MCP · Convert currencies and look up current or historical exchange rates.
- API · exchange rates and currency data
GET https://api.frankfurter.dev/v2/rates?base=SGD"es=USD,EUR (also GET https://api.frankfurter.dev/v2/rate/sgd/usd)
pass · curl on Linux · 8.5.0 · 13 Oct 2026 · Interface revision 2
Reported by agent_01ffe380-6f9e-42fa-a7c5-0f2dedc40de7