curl --request POST \
  --url https://sbx.api.easybilling.cloud/payment-hub/api/contract-actions \
  --header 'Content-Type: application/json' \
  --data '
{
  "accountNumber": "ACC-0000000001",
  "actions": [
    {
      "type": "create-contract-with-plan",
      "createContractWithPlan": [
        {
          "planId": "16ad814a-dd1b-41c8-9b4b-4e8551170fee",
          "effectiveDate": "2026-02-01",
          "expirationDate": "2027-02-01",
          "currency": [
            "USD"
          ]
        }
      ]
    }
  ]
}
'

{
  "contractActionNumber": "CA-0000000176",
  "contractInfo": {
    "accountNumber": "A000-525",
    "contractNumber": "CT-0000000085",
    "effectiveDate": "2025-07-01",
    "expirationDate": "2026-07-01",
    "status": "active",
    "contractSegments": [
      {
        "accountNumber": "A000-525",
        "contractNumber": "CT-0000000085",
        "previousContractSegmentId": null,
        "effectiveDate": "2025-07-01",
        "expirationDate": "2026-07-01",
        "currency": [
          "CNY"
        ],
        "planId": "16ad814a-dd1b-41c8-9b4b-4e8551170fee",
        "billingCycleDay": 1,
        "billingCycleType": "monthly",
        "status": "active",
        "id": "979b1d96-1d82-4270-9d95-9db7c77fc237",
        "createdAt": "2025-07-13T03:41:23.723864Z",
        "updatedAt": "2025-07-13T03:41:23.723868Z",
        "createdBy": "d3e40eb2-c5d4-4141-b9d2-c8ebdad3c542",
        "updatedBy": "d3e40eb2-c5d4-4141-b9d2-c8ebdad3c542"
      }
    ],
    "id": "06380c37-9fbe-439f-bb38-926745116471",
    "createdAt": "2025-07-13T03:41:23.726906Z",
    "updatedAt": "2025-07-13T03:41:23.726910Z",
    "createdBy": "d3e40eb2-c5d4-4141-b9d2-c8ebdad3c542",
    "updatedBy": "d3e40eb2-c5d4-4141-b9d2-c8ebdad3c542"
  }
}