curl --request GET \
  --url https://api.eflow.team/v1/networks/trafficsource \
  --header 'X-Eflow-Api-Key: <api-key>'

{
  "traffic_sources": [
    {
      "network_traffic_source_id": 1,
      "network_id": 1,
      "name": "test",
      "postback_url": "https://www.testpostback.com",
      "time_created": 1774721376,
      "time_saved": 1774721376,
      "relationship": {
        "parameters": {
          "total": 2,
          "entries": [
            {
              "network_traffic_source_id": 1,
              "network_id": 1,
              "tracking_parameter": "param1",
              "tracking_value": "value1"
            },
            {
              "network_traffic_source_id": 1,
              "network_id": 1,
              "tracking_parameter": "param2",
              "tracking_value": "value2"
            }
          ]
        }
      },
      "is_public": false
    }
  ]
}