curl --request GET \
  --url https://api.trysela.com/api/leads/ \
  --header 'Authorization: <api-key>'

{
  "count": 123,
  "next": "http://api.example.org/accounts/?page=4",
  "previous": "http://api.example.org/accounts/?page=2",
  "results": [
    {
      "id": 123,
      "email": "jsmith@example.com",
      "phone_number": "<string>",
      "metadata": "<any>",
      "modified_time": "2023-11-07T05:31:56Z",
      "created_time": "2023-11-07T05:31:56Z",
      "status": "UNKNOWN",
      "status_reason": "UNKNOWN",
      "lead_type": 123,
      "next_call_time": "<string>",
      "external_id": "<string>",
      "us_state": "AL",
      "lead_source": "<string>",
      "reengagement_count": 1073741823,
      "reengagement_time": "2023-11-07T05:31:56Z",
      "call_schedule_start_time": "2023-11-07T05:31:56Z"
    }
  ]
}