curl --request GET \
  --url https://api.wizcommerce.com/v1/contract-pricing \
  --header 'X-API-Key: <api-key>'

{
  "data": [
    {
      "id": "123e4567-e89b-12d3-a456-426614174000",
      "name": "Q1 Enterprise Contract",
      "reference_id": "REF-CONTRACT-2025",
      "contract_status": "active",
      "customer_group_type": "all",
      "customer_segments": [
        "<string>"
      ],
      "product_price_map": [
        {
          "sku_id": "SKU-001",
          "volume_tiers": [
            {
              "start_quantity": 1,
              "price": 10,
              "end_quantity": 100
            }
          ]
        }
      ],
      "schedule_details": {
        "start_date": "2025-01-01T00:00:00Z",
        "end_date": "2035-01-01T00:00:00Z"
      },
      "timezone": "UTC",
      "channel": [],
      "discount_campaign_allowed": false,
      "discount_applicable_on": "contract_pricing",
      "created_at": "2025-01-01T00:00:00Z",
      "updated_at": "2025-01-01T00:00:00Z"
    }
  ],
  "pagination": {
    "total_records": 100,
    "total_pages": 10,
    "current_page": 1,
    "next_page": 2,
    "prev_page": 0,
    "page_size": 10
  }
}