카드 자동결제 승인 API 오류 문의

    const confirm_url = 'https://api.tosspayments.com/v1/billing/' + result.billingKey;
      console.log(confirm_url);
      const options = {
        method: "POST",
        headers: {
          Authorization: encryptedApiSecretKey,
          "Content-Type": "application/json",
        },
        body: '{"customerKey": customerKey, "amount": 100000, "orderId": "SJ123123123", "orderName": "구독 1개월", "customerName": "테스터"}'
      }