Is fxapi.app free to use?

Yes, completely free. No API key, no registration, and no rate limits. Just make a GET request to any endpoint.

How often are exchange rates updated?

Every 5 minutes from central bank and financial data sources, ensuring you always have near-real-time rates.

How many currencies does fxapi.app support?

Over 170 currencies, giving you access to more than 28,000 possible currency pairs.

fxapi.app

Free currency exchange rate API

Try it

Amount Base currency

Converted amount Base currency

Select currencies above

API Endpoints

Single pair

Get the exchange rate between two currencies

/api/{base}/{target}.json

{
  "base": "USD",
  "target": "EUR",
  "rate": 0.9234,
  "timestamp": "2026-03-28T12:00:00Z"
}

All rates for a base

Get all exchange rates from a single base currency

/api/{base}.json

{
  "base": "USD",
  "timestamp": "2026-03-28T12:00:00Z",
  "rates": { "EUR": 0.9234, "GBP": 0.7891, "JPY": 149.3, ... }
}

Historical rates

Get daily rates for a date range with summary stats

/api/history/{base}/{target}.json?from=&to=

{
  "base": "USD", "target": "EUR",
  "from": "2026-01-01", "to": "2026-03-28",
  "count": 87,
  "stats": { "open": 0.92, "close": 0.93, "high": 0.95, "low": 0.91, "average": 0.93, "change": 0.01, "change_pct": 1.09 },
  "rates": [{ "date": "2026-01-01", "rate": 0.92 }, ...]
}

Supported currencies

List all available currency codes

/api/currencies.json

OpenAPI spec: /api/openapi.json

Features

Updated every 5 min

28,000+ currency pairs

No API key required

CORS enabled

JSON responses

Edge-cached globally