curl --request POST \
  --url https://api.steppay.kr/api/v1/cover/subscription \
  --header 'Content-Type: application/json' \
  --header 'Secret-Token: <api-key>' \
  --data '
{
  "customerId": 123,
  "currentPeriodStart": "2023-11-07T05:31:56Z",
  "currentPeriodEnd": "2023-11-07T05:31:56Z",
  "recurringIntervalCount": 123,
  "recurringInterval": "DAY",
  "partnerSubscriptionId": "<string>",
  "trialStart": "2023-11-07T05:31:56Z",
  "trialEnd": "2023-11-07T05:31:56Z",
  "start": "2023-11-07T05:31:56Z",
  "canceledAt": "2023-11-07T05:31:56Z",
  "cancelAtPeriodEnd": true,
  "initialOrderId": 123,
  "replaceIfExists": true
}
'

{
  "id": 123,
  "customer": {
    "id": 123,
    "name": "<string>",
    "email": "<string>",
    "phone": "<string>",
    "partnerCustomerId": "<string>"
  },
  "start": "2023-11-07T05:31:56Z",
  "currentPeriodStart": "2023-11-07T05:31:56Z",
  "currentPeriodEnd": "2023-11-07T05:31:56Z",
  "status": "ACTIVE",
  "renewalOrders": [
    {
      "id": 123,
      "customer": {
        "id": 123,
        "name": "<string>",
        "email": "<string>",
        "phone": "<string>",
        "partnerCustomerId": "<string>"
      },
      "amount": 123,
      "amountReturned": 123,
      "items": [
        {
          "quantity": 123,
          "price": {
            "id": 123,
            "name": "<string>",
            "partnerPriceId": "<string>",
            "product": {
              "id": 123,
              "name": "<string>",
              "partnerProductId": "<string>",
              "featuredImageUrl": "<string>"
            },
            "price": 123,
            "isRecurring": true,
            "recurringInterval": "DAY",
            "recurringIntervalCount": 123
          }
        }
      ],
      "status": "CREATED",
      "partnerOrderId": "<string>",
      "canceledDate": "2023-11-07T05:31:56Z",
      "paymentDate": "2023-11-07T05:31:56Z",
      "idKey": "<string>",
      "retryDate": "2023-11-07T05:31:56Z"
    }
  ],
  "partnerSubscriptionId": "<string>",
  "recurringIntervalCount": 123,
  "recurringInterval": "DAY",
  "trialStart": "2023-11-07T05:31:56Z",
  "trialEnd": "2023-11-07T05:31:56Z",
  "canceledAt": "2023-11-07T05:31:56Z",
  "cancelAtPeriodEnd": true,
  "initialOrder": {
    "id": 123,
    "customer": {
      "id": 123,
      "name": "<string>",
      "email": "<string>",
      "phone": "<string>",
      "partnerCustomerId": "<string>"
    },
    "amount": 123,
    "amountReturned": 123,
    "items": [
      {
        "quantity": 123,
        "price": {
          "id": 123,
          "name": "<string>",
          "partnerPriceId": "<string>",
          "product": {
            "id": 123,
            "name": "<string>",
            "partnerProductId": "<string>",
            "featuredImageUrl": "<string>"
          },
          "price": 123,
          "isRecurring": true,
          "recurringInterval": "DAY",
          "recurringIntervalCount": 123
        }
      }
    ],
    "status": "CREATED",
    "partnerOrderId": "<string>",
    "canceledDate": "2023-11-07T05:31:56Z",
    "paymentDate": "2023-11-07T05:31:56Z",
    "idKey": "<string>",
    "retryDate": "2023-11-07T05:31:56Z"
  }
}