curl --request PUT \
  --url https://api.steppay.kr/api/v1/products/{id}/prices/{priceId} \
  --header 'Content-Type: application/json' \
  --header 'Secret-Token: <api-key>' \
  --data '
{
  "price": 6000,
  "unit": "개",
  "firstSale": {
    "enabled": true,
    "price": 1000
  },
  "claim": {
    "methodType": "PRE",
    "whenToClaimType": "FIRST_PAYMENT",
    "billingDate": 0,
    "provideStartDay": 0
  },
  "maximumPurchaseQuantity": 0,
  "expiryPaymentCount": 0,
  "setupOption": {
    "id": 1,
    "name": "가입비",
    "type": "INITIALLY",
    "price": 2000
  },
  "isRepresentative": true,
  "type": "ONE_TIME",
  "plan": {
    "name": "단건 가격플랜 이름",
    "description": "단건 가격플랜 설명",
    "detailDescription": "단건 가격플랜 상세설명",
    "isHiddenFromShop": false,
    "adminName": "admin"
  }
}
'

{
  "id": 1,
  "code": "price_AbCdEfGhI",
  "price": 6000,
  "unit": "string",
  "planName": "string",
  "planDescription": "string",
  "type": "ONE_TIME",
  "enabledFirstSalePrice": true,
  "firstSalePrice": 1000,
  "claimMethodType": "PRE",
  "whenToClaimType": "FIRST_PAYMENT",
  "billingDate": 0,
  "maximumPurchaseQuantity": 0,
  "membershipExpirationDate": 0,
  "membershipExpirationDateType": null,
  "setupOption": {
    "id": 1,
    "name": "가입비",
    "type": "INITIALLY",
    "price": 2000,
    "claimMethodType": "PRE"
  },
  "options": [],
  "volumes": [],
  "additionalBilling": null,
  "recurring": null,
  "createdAt": "9999-01-01T00:00:00",
  "modifiedAt": "9999-01-01T00:00:00.000000",
  "plan": {
    "name": "string",
    "description": "string",
    "detailDescription": "string",
    "isHiddenFromShop": false,
    "adminName": "string"
  },
  "firstSale": {
    "enabled": true,
    "price": 1000
  },
  "claim": {
    "methodType": "PRE",
    "whenToClaimType": "FIRST_PAYMENT",
    "billingDate": 0,
    "provideStartDay": 0
  },
  "basicServing": 0,
  "bundlePrices": [],
  "onetimeBundlePrice": 0,
  "order": 4
}