OK(오류 없음).
환불 요청이 수락됨.
Unauthorized(액세스가 거부됨).
거래를 찾을 수 없습니다.
Unprocessable Entity(유효하지 않은 요청 매개 변수).
{- "description": "test refund request"
}
{- "message": "The request for a refund has been accepted. Xsolla CS will automatically send the customer an email with alternative refund options as the user's method does not support direct refunds."
}