curl --request GET \
  --url 'https://{domain}/api/v2/affiliate/campaigns?api-key='

{
  "message": "<string>",
  "success": true,
  "info": {
    "campaigns": [
      {
        "id": 123,
        "hash": "<string>",
        "name": "<string>",
        "affiliate_id": 123,
        "offer_id": 123,
        "commission_plan_id": 123,
        "traffic_source_id": 123,
        "landing_page_id": 123,
        "creative_id": 123,
        "status": 123,
        "created": 123,
        "updated": 123,
        "offer": {
          "id": 123,
          "title": "<string>"
        },
        "commission_plan": {
          "id": 123,
          "title": "<string>"
        },
        "traffic_source": {
          "id": 123,
          "title": "<string>"
        },
        "landing_page": {
          "id": 123,
          "title": "<string>"
        },
        "creative": {
          "id": 123,
          "title": "<string>"
        }
      }
    ],
    "pagination": {
      "totalCount": 123,
      "pageCount": 123,
      "currentPage": 123,
      "perPage": 123
    }
  }
}