curl --location --request GET 'https://demo-api.easypayx.com/v1/exchange_rates?buy_currency=USD&sell_currency=CNY&value_date=2025-03-20' \
--header 'Authorization: Bearer '
{
"data": [
{
"id": "string",
"sell_currency": "string",
"buy_currency": "string",
"exchange_rate": 0,
"time": "string"
}
]
}