Data as of Aug 25, 2026 · Based on 3,181,687 AI responses across 10,525 prompts · See how Parse measures this
Fixer.io is a simple and lightweight API for current and historical foreign exchange rates, covering 170 world currencies with updates every 60 seconds. It provides a JSON API with bank-level security, historical data back to 1999, and endpoints for currency conversion and time series data.
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Sources
fixer.io shapes more of what AI says about Fixer than any other source, at 61% of its citations.
currencyfreaks.com · allratestoday.com · fxds-hcc.oanda.com · gogravity.com
Excerpts where Fixer appeared in the AI's answer

Fixer delivers lightweight, highly reliable JSON REST endpoints with historical data stretching back to 1999.

Fixer API : Provides real-time and historical data (dating back to 1999) backed by reliable financial and central bank institutional feeds.