curl --request POST \
  --url https://scx-sbx.api.jtl-software.com/v1/seller/ticket \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "channel": "MYBESTDEALCOMDE",
  "sellerId": "4711",
  "ticketId": "CASE-01071982",
  "createdAt": "2023-11-07T05:31:56Z",
  "from": {
    "role": "BUYER",
    "name": "Dave"
  },
  "message": "Open the pod bay doors HAL.",
  "replyRequested": true,
  "attachment": [
    {
      "filename": "RedDot.png",
      "contentType": "image/png"
    }
  ]
}
'

import requests

url = "https://scx-sbx.api.jtl-software.com/v1/seller/ticket"

payload = {
    "channel": "MYBESTDEALCOMDE",
    "sellerId": "4711",
    "ticketId": "CASE-01071982",
    "createdAt": "2023-11-07T05:31:56Z",
    "from": {
        "role": "BUYER",
        "name": "Dave"
    },
    "message": "Open the pod bay doors HAL.",
    "replyRequested": True,
    "attachment": [
        {
            "filename": "RedDot.png",
            "contentType": "image/png"
        }
    ]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    channel: 'MYBESTDEALCOMDE',
    sellerId: '4711',
    ticketId: 'CASE-01071982',
    createdAt: '2023-11-07T05:31:56Z',
    from: {role: 'BUYER', name: 'Dave'},
    message: 'Open the pod bay doors HAL.',
    replyRequested: true,
    attachment: [{filename: 'RedDot.png', contentType: 'image/png'}]
  })
};

fetch('https://scx-sbx.api.jtl-software.com/v1/seller/ticket', 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://scx-sbx.api.jtl-software.com/v1/seller/ticket",
  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([
    'channel' => 'MYBESTDEALCOMDE',
    'sellerId' => '4711',
    'ticketId' => 'CASE-01071982',
    'createdAt' => '2023-11-07T05:31:56Z',
    'from' => [
        'role' => 'BUYER',
        'name' => 'Dave'
    ],
    'message' => 'Open the pod bay doors HAL.',
    'replyRequested' => true,
    'attachment' => [
        [
                'filename' => 'RedDot.png',
                'contentType' => 'image/png'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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://scx-sbx.api.jtl-software.com/v1/seller/ticket"

	payload := strings.NewReader("{\n  \"channel\": \"MYBESTDEALCOMDE\",\n  \"sellerId\": \"4711\",\n  \"ticketId\": \"CASE-01071982\",\n  \"createdAt\": \"2023-11-07T05:31:56Z\",\n  \"from\": {\n    \"role\": \"BUYER\",\n    \"name\": \"Dave\"\n  },\n  \"message\": \"Open the pod bay doors HAL.\",\n  \"replyRequested\": true,\n  \"attachment\": [\n    {\n      \"filename\": \"RedDot.png\",\n      \"contentType\": \"image/png\"\n    }\n  ]\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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://scx-sbx.api.jtl-software.com/v1/seller/ticket")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"channel\": \"MYBESTDEALCOMDE\",\n  \"sellerId\": \"4711\",\n  \"ticketId\": \"CASE-01071982\",\n  \"createdAt\": \"2023-11-07T05:31:56Z\",\n  \"from\": {\n    \"role\": \"BUYER\",\n    \"name\": \"Dave\"\n  },\n  \"message\": \"Open the pod bay doors HAL.\",\n  \"replyRequested\": true,\n  \"attachment\": [\n    {\n      \"filename\": \"RedDot.png\",\n      \"contentType\": \"image/png\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://scx-sbx.api.jtl-software.com/v1/seller/ticket")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"channel\": \"MYBESTDEALCOMDE\",\n  \"sellerId\": \"4711\",\n  \"ticketId\": \"CASE-01071982\",\n  \"createdAt\": \"2023-11-07T05:31:56Z\",\n  \"from\": {\n    \"role\": \"BUYER\",\n    \"name\": \"Dave\"\n  },\n  \"message\": \"Open the pod bay doors HAL.\",\n  \"replyRequested\": true,\n  \"attachment\": [\n    {\n      \"filename\": \"RedDot.png\",\n      \"contentType\": \"image/png\"\n    }\n  ]\n}"

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

{
  "errorList": [
    {
      "code": "VAL100",
      "message": "Required field sellerId not found",
      "severity": "error",
      "hint": "Check the field `sellerId` — it must be a non-empty string."
    }
  ]
}

{
  "errorList": [
    {
      "code": "VAL100",
      "message": "Required field sellerId not found",
      "severity": "error",
      "hint": "Check the field `sellerId` — it must be a non-empty string."
    }
  ]
}

{
  "errorList": [
    {
      "code": "GEN500",
      "message": "Internal Server Error",
      "severity": "error",
      "hint": null
    }
  ]
}