curl "https://app.tatango.com/api/v2/momt_reports" -X POST \
  -H "Accept: application/json" \
  -H "Content-Type: application/json" \
  -u emailaddress@mydomain.com:my_api_key \
  -d '{"date_from":"2016-08-08T22:10:41+01:00","date_to":"2016-09-07T22:10:41+01:00","webhook_callback_url":null}'

{
  "status": "OK",
  "momt_report": {
    "id": 3,
    "account_id": 22,
    "s3_url": null,
    "import_started_at": null,
    "import_completed_at": null,
    "total_rows": null,
    "processed_rows": 0,
    "percent_complete": 0,
    "mo_count": 0,
    "mt_count": 0,
    "shortcode": null,
    "date_range": "json",
    "date_from": "2016-08-08T22:10:41+01:00",
    "date_to": "2016-09-07T22:10:41+01:00",
    "campaign": null,
    "carrier": null,
    "phone_number": null,
    "direction": null,
    "status_array": null,
    "created_at": "2016-09-07T14:10:41-07:00",
    "updated_at": "2016-09-07T14:10:41-07:00",
    "counts_calculated": false,
    "type": null,
    "is_csv": false,
    "webhook_callback_url": null,
    "run_errors": null,
    "message_type": null,
    "cancelled": null
  }
}