using RestSharp;


var options = new RestClientOptions("http://localhost:56350/api/v1/Agents/CustomerService/GetParsedTemplate");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddJsonBody("{\n  \"ReplyTemplateId\": 123,\n  \"LanguageId\": 123,\n  \"PersonId\": 123,\n  \"TicketId\": 123\n}", false);
var response = await client.PostAsync(request);

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

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({ReplyTemplateId: 123, LanguageId: 123, PersonId: 123, TicketId: 123})
};

fetch('http://localhost:56350/api/v1/Agents/CustomerService/GetParsedTemplate', 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/CustomerService/GetParsedTemplate",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'ReplyTemplateId' => 123,
    'LanguageId' => 123,
    'PersonId' => 123,
    'TicketId' => 123
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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/CustomerService/GetParsedTemplate"

payload = {
    "ReplyTemplateId": 123,
    "LanguageId": 123,
    "PersonId": 123,
    "TicketId": 123
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({ReplyTemplateId: 123, LanguageId: 123, PersonId: 123, TicketId: 123})
};

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

{
  "ReplyTemplateId": 123,
  "PlainParsed": "<string>",
  "HtmlParsed": "<string>",
  "Attachments": [
    {
      "AttachmentId": 123,
      "Name": "<string>",
      "ContentType": "<string>",
      "AttSize": 123,
      "InlineImage": true,
      "ContentId": "<string>",
      "AuthKey": "<string>",
      "IsSafeFileExtension": true,
      "TableRight": {
        "Mask": "<string>",
        "Reason": "<string>"
      },
      "FieldProperties": {}
    }
  ],
  "Subject": "<string>",
  "TableRight": {
    "Mask": "<string>",
    "Reason": "<string>"
  },
  "FieldProperties": {}
}