curl --request POST \
     --url https://api.elepay.io/codes \
     --header 'accept: application/json;charset=utf-8' \
     --header 'authorization: Bearer [秘密鍵]' \
     --header 'content-type: application/json;charset=utf-8' \
     --data '
{
  "currency": "JPY",
  "frontUrl": "https://戻り先ページのURL",
  "amount": 200,
  "orderNo": "ORDER_NO_00001"
}
'