GET
/fx/convertConvert an amount between two currencies (calculator, posts nothing)
Convert an amount between two currencies at the current resolved rate. Posts nothing.
Parameters
| Name | In | Type | Description |
|---|---|---|---|
fromrequired | query | string | Source currency. |
torequired | query | string | Target currency. |
amountrequired | query | string | Amount in the source currency (major units). |
Responses
200Successful operation
{
"success": true,
"data": {
"from": "USD",
"to": "EUR",
"amount": "100.00",
"converted": "92.00",
"rate": "0.920000000000000000",
"inverse_rate": "1.086956521739130435",
"source": "ecb",
"effective_at": "2026-01-15T10:30:00Z",
"stale": false
}
} 401Unauthenticated
{
"success": false,
"message": "Validation failed",
"code": "VALIDATION_ERROR"
} 422Validation error, or no rate available / rate stale
{
"success": false,
"message": "Validation failed",
"code": "VALIDATION_ERROR"
} Examples
curl https://ledga.io/api/v1/fx/convert?from=USD&to=EUR&amount=100.00 \
-H "Authorization: Bearer sk_xxxxxxxx_your_secret"