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" } ] }