curl --request GET \
  --url https://api.gameball.co/api/v4.0/integrations/configurations/reward-campaigns \
  --header 'apikey: <api-key>'

{
  "campaigns": [
    {
      "id": "<string>",
      "name": "<string>",
      "description": "<string>",
      "startDate": "2023-11-07T05:31:56Z",
      "endDate": "2023-11-07T05:31:56Z",
      "isActive": true,
      "rewardType": "<string>"
    }
  ]
}