Utilities

Currency Conversion

Convert an amount between ~170 currencies using daily-updated exchange rates.

GET/api/currency?from=&to=&amount=

Query parameters

Name	Type	Required	Description
from	string	Required	3-letter source currency code, e.g. USD.
to	string	Required	3-letter target currency code, e.g. EUR.
amount	number	Optional	Amount to convert. Default 1.

API key

Saved only in this browser. Requests use your key and count toward your quota. Get a key

from *string

to *string

amountnumber

GET /api/currency

curl "https://your-app.com/api/currency?from=USD&to=EUR&amount=100" \
  -H "x-api-key: YOUR_API_KEY"

{
  "from": "USD",
  "to": "EUR",
  "amount": 100,
  "rate": 0.87791,
  "result": 87.791,
  "updatedAt": "2026-09-26T10:12:05.000Z"
}