curl --request POST \
  --url https://{your-subdomain}.neetodesk.com/api/external/v2/tickets/{ticket_id}/comments \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <x-api-key>' \
  --data '
{
  "author_email": "lenor@example.com",
  "content": "We are looking into the issue.",
  "author_type": "customer",
  "comment_type": "note",
  "created_at": "2021-06-09T12:00:00Z",
  "message_id": "cp-worklog-9912@example.com",
  "attachments": [
    "eyJfcmFpbHMiOnsiZGF0YSI6IjEyMyJ9fQ=="
  ],
  "mentions": [
    {
      "email": "daniel.kuhlman@example.com"
    }
  ]
}
'

import requests

url = "https://{your-subdomain}.neetodesk.com/api/external/v2/tickets/{ticket_id}/comments"

payload = {
    "author_email": "lenor@example.com",
    "content": "We are looking into the issue.",
    "author_type": "customer",
    "comment_type": "note",
    "created_at": "2021-06-09T12:00:00Z",
    "message_id": "cp-worklog-9912@example.com",
    "attachments": ["eyJfcmFpbHMiOnsiZGF0YSI6IjEyMyJ9fQ=="],
    "mentions": [{ "email": "daniel.kuhlman@example.com" }]
}
headers = {
    "X-Api-Key": "<x-api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-Api-Key': '<x-api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    author_email: 'lenor@example.com',
    content: 'We are looking into the issue.',
    author_type: 'customer',
    comment_type: 'note',
    created_at: '2021-06-09T12:00:00Z',
    message_id: 'cp-worklog-9912@example.com',
    attachments: ['eyJfcmFpbHMiOnsiZGF0YSI6IjEyMyJ9fQ=='],
    mentions: [{email: 'daniel.kuhlman@example.com'}]
  })
};

fetch('https://{your-subdomain}.neetodesk.com/api/external/v2/tickets/{ticket_id}/comments', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://{your-subdomain}.neetodesk.com/api/external/v2/tickets/{ticket_id}/comments",
  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([
    'author_email' => 'lenor@example.com',
    'content' => 'We are looking into the issue.',
    'author_type' => 'customer',
    'comment_type' => 'note',
    'created_at' => '2021-06-09T12:00:00Z',
    'message_id' => 'cp-worklog-9912@example.com',
    'attachments' => [
        'eyJfcmFpbHMiOnsiZGF0YSI6IjEyMyJ9fQ=='
    ],
    'mentions' => [
        [
                'email' => 'daniel.kuhlman@example.com'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-Api-Key: <x-api-key>"
  ],
]);

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

curl_close($curl);

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

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://{your-subdomain}.neetodesk.com/api/external/v2/tickets/{ticket_id}/comments"

	payload := strings.NewReader("{\n  \"author_email\": \"lenor@example.com\",\n  \"content\": \"We are looking into the issue.\",\n  \"author_type\": \"customer\",\n  \"comment_type\": \"note\",\n  \"created_at\": \"2021-06-09T12:00:00Z\",\n  \"message_id\": \"cp-worklog-9912@example.com\",\n  \"attachments\": [\n    \"eyJfcmFpbHMiOnsiZGF0YSI6IjEyMyJ9fQ==\"\n  ],\n  \"mentions\": [\n    {\n      \"email\": \"daniel.kuhlman@example.com\"\n    }\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("X-Api-Key", "<x-api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://{your-subdomain}.neetodesk.com/api/external/v2/tickets/{ticket_id}/comments")
  .header("X-Api-Key", "<x-api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"author_email\": \"lenor@example.com\",\n  \"content\": \"We are looking into the issue.\",\n  \"author_type\": \"customer\",\n  \"comment_type\": \"note\",\n  \"created_at\": \"2021-06-09T12:00:00Z\",\n  \"message_id\": \"cp-worklog-9912@example.com\",\n  \"attachments\": [\n    \"eyJfcmFpbHMiOnsiZGF0YSI6IjEyMyJ9fQ==\"\n  ],\n  \"mentions\": [\n    {\n      \"email\": \"daniel.kuhlman@example.com\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{your-subdomain}.neetodesk.com/api/external/v2/tickets/{ticket_id}/comments")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["X-Api-Key"] = '<x-api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"author_email\": \"lenor@example.com\",\n  \"content\": \"We are looking into the issue.\",\n  \"author_type\": \"customer\",\n  \"comment_type\": \"note\",\n  \"created_at\": \"2021-06-09T12:00:00Z\",\n  \"message_id\": \"cp-worklog-9912@example.com\",\n  \"attachments\": [\n    \"eyJfcmFpbHMiOnsiZGF0YSI6IjEyMyJ9fQ==\"\n  ],\n  \"mentions\": [\n    {\n      \"email\": \"daniel.kuhlman@example.com\"\n    }\n  ]\n}"

response = http.request(request)
puts response.read_body

{
  "comment": {
    "id": "aaaabbbb-cccc-dddd-eeee-ffff00002222",
    "created_at": "2023-11-07T05:31:56Z",
    "comment_type": "reply",
    "content": "We are looking into the issue and will update you shortly.",
    "author": {
      "id": "aaaabbbb-cccc-dddd-eeee-ffff00001111",
      "name": "Oliver Smith",
      "email": "oliver@example.com",
      "type": "user"
    },
    "attachments": [
      {
        "id": "aaaabbbb-cccc-dddd-eeee-ffff00003333",
        "url": "https://example.com/attachments/screenshot.png",
        "filename": "screenshot.png"
      }
    ],
    "mentions": [
      {
        "id": "aaaabbbb-cccc-dddd-eeee-ffff00005555",
        "name": "Daniel Kuhlman",
        "email": "daniel.kuhlman@example.com"
      }
    ]
  }
}