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

{
  "data": {
    "id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
    "name": "Declined Payment Recovery - Colombia",
    "account_id": "2404911d-5df9-429e-8488-ad41abea1a4b",
    "organization_code": "550e8400-e29b-41d4-a716-446655440000",
    "country": "CO",
    "channel": "WHATSAPP_MESSAGE",
    "schedule": {
      "daily_start_time": "08:00",
      "daily_end_time": "21:00",
      "time_zone": "America/Bogota"
    },
    "duration": {
      "start_at": "2025-07-01T00:00:00Z",
      "end_at": "2026-07-01T00:00:00Z"
    },
    "status": "ACTIVE",
    "rules": [
      {
        "id": "f1e2d3c4-b5a6-7890-abcd-ef1234567890",
        "rule_type": "PAYMENT_STATUS",
        "values": [
          "DECLINED"
        ],
        "conditional": "EQUAL",
        "metadata_key": null,
        "status": "ACTIVE",
        "created_at": "2025-07-01T12:05:00Z",
        "updated_at": "2025-07-01T12:05:00Z"
      }
    ],
    "created_at": "2025-07-01T12:00:00Z",
    "updated_at": "2025-07-01T12:00:00Z"
  }
}