curl --request POST \
  --url https://mcapi.knewcms.com:2087/users \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "username": "<string>",
  "password": "<string>",
  "is_master": 123,
  "credits": "<string>",
  "whatsapp": "<string>",
  "telegram": "<string>",
  "language": "<string>",
  "country": "<string>",
  "email": "<string>",
  "notes": "<string>"
}
'

import requests

url = "https://mcapi.knewcms.com:2087/users"

payload = {
    "username": "<string>",
    "password": "<string>",
    "is_master": 123,
    "credits": "<string>",
    "whatsapp": "<string>",
    "telegram": "<string>",
    "language": "<string>",
    "country": "<string>",
    "email": "<string>",
    "notes": "<string>"
}
headers = {
    "Authorization": "<authorization>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<authorization>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    username: '<string>',
    password: '<string>',
    is_master: 123,
    credits: '<string>',
    whatsapp: '<string>',
    telegram: '<string>',
    language: '<string>',
    country: '<string>',
    email: '<string>',
    notes: '<string>'
  })
};

fetch('https://mcapi.knewcms.com:2087/users', 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 => "2087",
  CURLOPT_URL => "https://mcapi.knewcms.com:2087/users",
  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([
    'username' => '<string>',
    'password' => '<string>',
    'is_master' => 123,
    'credits' => '<string>',
    'whatsapp' => '<string>',
    'telegram' => '<string>',
    'language' => '<string>',
    'country' => '<string>',
    'email' => '<string>',
    'notes' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <authorization>",
    "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://mcapi.knewcms.com:2087/users"

	payload := strings.NewReader("{\n  \"username\": \"<string>\",\n  \"password\": \"<string>\",\n  \"is_master\": 123,\n  \"credits\": \"<string>\",\n  \"whatsapp\": \"<string>\",\n  \"telegram\": \"<string>\",\n  \"language\": \"<string>\",\n  \"country\": \"<string>\",\n  \"email\": \"<string>\",\n  \"notes\": \"<string>\"\n}")

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

	req.Header.Add("Authorization", "<authorization>")
	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://mcapi.knewcms.com:2087/users")
  .header("Authorization", "<authorization>")
  .header("Content-Type", "application/json")
  .body("{\n  \"username\": \"<string>\",\n  \"password\": \"<string>\",\n  \"is_master\": 123,\n  \"credits\": \"<string>\",\n  \"whatsapp\": \"<string>\",\n  \"telegram\": \"<string>\",\n  \"language\": \"<string>\",\n  \"country\": \"<string>\",\n  \"email\": \"<string>\",\n  \"notes\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://mcapi.knewcms.com:2087/users")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<authorization>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"username\": \"<string>\",\n  \"password\": \"<string>\",\n  \"is_master\": 123,\n  \"credits\": \"<string>\",\n  \"whatsapp\": \"<string>\",\n  \"telegram\": \"<string>\",\n  \"language\": \"<string>\",\n  \"country\": \"<string>\",\n  \"email\": \"<string>\",\n  \"notes\": \"<string>\"\n}"

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