curl --location --request GET '/api/v1/payment-fiat-rates/fiat-rates?currencies' \
--header 'x-api-key: <api-key>'
{
"success": true,
"data": {
"property1": {
"rate": 0,
"source": "string",
"timestamp": "string"
},
"property2": {
"rate": 0,
"source": "string",
"timestamp": "string"
}
}
}