/message/find

Returns a list of message summary objects that contain information about the messages that match the filter criteria.
You can use this method to retrieve information about a message that has been sent or saved as a prepared message
Request body example:

{
  "groupId": 650557972,
  "sendoutDateFrom": "2018-09-01T00:00:00",
  "sendoutDateTo": "2018-10-01T00:00:00"
}

{
  "sendoutDateFrom": "2018-09-01T00:00:00",
  "sendoutDateTo": "2018-10-01T00:00:00"
}