using RestSharp;


var options = new RestClientOptions("http://localhost:56350/api/v1/Agents/EMail/CreateDefaultEMailEnvelope");
var client = new RestClient(options);
var request = new RestRequest("");
var response = await client.PostAsync(request);

Console.WriteLine("{0}", response.Content);

const options = {method: 'POST'};

fetch('http://localhost:56350/api/v1/Agents/EMail/CreateDefaultEMailEnvelope', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_PORT => "56350",
  CURLOPT_URL => "http://localhost:56350/api/v1/Agents/EMail/CreateDefaultEMailEnvelope",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

import requests

url = "http://localhost:56350/api/v1/Agents/EMail/CreateDefaultEMailEnvelope"

response = requests.post(url)

print(response.text)

const options = {method: 'POST'};

fetch('http://localhost:56350/api/v1/Agents/EMail/CreateDefaultEMailEnvelope', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "ServerId": 123,
  "ServerIdentifier": "<string>",
  "MessageId": "<string>",
  "Subject": "<string>",
  "From": {
    "ContactId": 123,
    "ContactName": "<string>",
    "PersonId": 123,
    "PersonName": "<string>",
    "AssociateId": 123,
    "Address": "<string>",
    "EmailId": 123,
    "DuplicatePersonIds": [
      123
    ],
    "Name": "<string>",
    "TableRight": {
      "Mask": "<string>",
      "Reason": "<string>"
    },
    "FieldProperties": {}
  },
  "To": [
    {
      "ContactId": 123,
      "ContactName": "<string>",
      "PersonId": 123,
      "PersonName": "<string>",
      "AssociateId": 123,
      "Address": "<string>",
      "EmailId": 123,
      "DuplicatePersonIds": [
        123
      ],
      "Name": "<string>",
      "TableRight": {
        "Mask": "<string>",
        "Reason": "<string>"
      },
      "FieldProperties": {}
    }
  ],
  "Sent": "2023-11-07T05:31:56Z",
  "Priority": "NoPriority",
  "Flags": "None",
  "Size": 123,
  "EMailSOInfo": {
    "DocumentId": 123,
    "AppointmentId": 123,
    "ProjectId": 123,
    "SaleId": 123,
    "Archived": true,
    "ArchivedAt": "2023-11-07T05:31:56Z",
    "ArchivedBy": 123,
    "ArchivedDisplayName": "<string>",
    "TableRight": {
      "Mask": "<string>",
      "Reason": "<string>"
    },
    "FieldProperties": {}
  },
  "TableRight": {
    "Mask": "<string>",
    "Reason": "<string>"
  },
  "FieldProperties": {}
}