curl --request GET \
  --url https://api.agentic.scope3.com/api/v2/buyer/campaigns \
  --header 'Authorization: Bearer <token>'

{
  "campaigns": [
    {
      "campaignId": "cmp_987654321",
      "advertiserId": "12345",
      "name": "Summer 2025 Campaign",
      "status": "DRAFT",
      "optimizationApplyMode": "AUTO",
      "createdAt": "2025-01-15T10:30:00Z",
      "updatedAt": "2025-01-20T14:45:00Z",
      "brief": "<string>",
      "flightDates": {
        "startDate": "2025-01-15T00:00:00Z",
        "endDate": "2025-03-31T23:59:59Z"
      },
      "budget": {
        "total": 1,
        "currency": "USD",
        "dailyCap": 1,
        "pacing": "EVEN"
      },
      "constraints": {
        "channels": [
          "<string>"
        ],
        "countries": [
          "<string>"
        ]
      },
      "performanceConfig": {
        "optimizationGoals": [
          {
            "kind": "event",
            "eventSources": [
              {
                "eventSourceId": "website_pixel",
                "eventType": "page_view",
                "customEventName": "<string>",
                "valueField": "value",
                "valueFactor": 1
              }
            ],
            "target": {
              "kind": "cost_per",
              "value": 25
            },
            "attributionWindow": {
              "postClick": {
                "interval": 7,
                "unit": "days"
              },
              "postView": {
                "interval": 1,
                "unit": "days"
              }
            },
            "priority": 1
          }
        ]
      },
      "catalogId": 42,
      "discoveryId": "session_abc123",
      "productCount": 15,
      "products": [
        {
          "productId": "prod_123"
        }
      ],
      "audiences": [
        {
          "audienceId": "aud_123",
          "name": "Tech Enthusiasts 25-34",
          "status": "READY",
          "type": "TARGET",
          "enabledAt": "2025-03-01T12:00:00Z"
        }
      ],
      "mediaBuys": [
        {
          "mediaBuyId": "<string>",
          "name": "<string>",
          "status": "<string>",
          "createdAt": "2023-11-07T05:31:56Z",
          "updatedAt": "2023-11-07T05:31:56Z",
          "products": [
            {
              "productId": "<string>",
              "salesAgentName": "<string>",
              "budget": 123,
              "budgetCurrency": "<string>"
            }
          ],
          "packages": [
            {
              "packageId": "<string>",
              "status": "<string>",
              "productIds": [
                "<string>"
              ],
              "budget": 123,
              "budgetCurrency": "<string>",
              "pacing": "<string>",
              "bidPrice": 123,
              "delivery": {
                "impressions": 123,
                "spend": 123,
                "clicks": 123
              }
            }
          ]
        }
      ]
    }
  ],
  "total": 42
}