curl --request GET \
  --url https://api-sandbox.y.uno/v1/campaigns \
  --header 'private-secret-key: <api-key>' \
  --header 'public-api-key: <api-key>'

{
  "data": [
    {
      "id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
      "name": "Declined Payment Recovery - Colombia",
      "country": "CO",
      "channel": "WHATSAPP_MESSAGE",
      "status": "ACTIVE",
      "duration": {
        "start_at": "2025-07-01T00:00:00Z",
        "end_at": "2026-07-01T00:00:00Z"
      },
      "created_at": "2025-07-01T12:00:00Z",
      "updated_at": "2025-07-01T12:00:00Z"
    }
  ],
  "meta": {
    "total": 5,
    "limit": 10,
    "offset": 0
  }
}