GET /user/services/{service_id}/addons/{service_addon_id}

{
  "data": {
    "id": 456,
    "addon": {
      "id": 123,
      "name": "Shared web hosting"
    },
    "service": {
      "id": 123
    },
    "status": "Active",
    "registration_date": "2022-01-05",
    "billing": {
      "cycle": "monthly",
      "price": {
        "first_payment": {
          "amount": {
            "value": "19.99",
            "code": "USD",
            "display_value": "$19.99 USD",
            "prefix": "$",
            "suffix": " USD"
          }
        },
        "recurring": {
          "amount": {
            "value": "19.99",
            "code": "USD",
            "display_value": "$19.99 USD",
            "prefix": "$",
            "suffix": " USD"
          }
        }
      },
      "payment_gateway": {
        "name": "banktransfer",
        "description": "Bank Transfer",
        "supports_headless_payment_session": true
      },
      "next_due_date": "2022-05-01"
    },
    "renewal": {
      "id": 789,
      "type": "addon",
      "non_renewable_reason": "This service addon is not renewable because it has been cancelled.",
      "renewal_period": {
        "start": "2023-03-14",
        "end": "2024-04-14"
      },
      "price": {
        "value": "19.99",
        "code": "USD",
        "display_value": "$19.99 USD",
        "prefix": "$",
        "suffix": " USD"
      }
    }
  }
}