Fixer

fixer.io

Provides current and historical foreign exchange rates and currency conversion via a JSON API.

The Fixer API uses api key authentication; has freemium pricing; offers a free tier (100 API calls/month, hourly updates, historical data, SSL encryption, no support); rate limits: Plan-based monthly call quotas (100 to 500,000+ API calls/mo) with overage charges per additional call. Verified 2026-07-12 with per-field source links.

Finance Verified 2026-07-12 medium confidence

Base URL

https://data.fixer.io/api/

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Auth

api_key

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Free tier

100 API calls/month, hourly updates, historical data, SSL encryption, no support

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Pricing model

freemium

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Pricing

Free $0 (100 calls/mo); Basic $14.99/mo (10,000 calls); Professional $59.99/mo (100,000 calls); Professional Plus $99.99/mo (500,000 calls); Enterprise custom pricing. Annual billing saves up to 15%.

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Rate limits

Plan-based monthly call quotas (100 to 500,000+ API calls/mo) with overage charges per additional call

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OpenAPI spec

not documented null

no source

MCP server

not documented null

no source