curl --request POST \
  --url https://app.livechatai.com/api/v2/contacts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "agentId": "clx1234567890abcdef",
  "distinctId": "user_12345",
  "contactId": "contact_1234567890",
  "userHash": "abc123hash",
  "name": "John Doe",
  "email": "john@example.com",
  "phone": "+1234567890",
  "attributes": {
    "planType": "premium",
    "userLevel": "advanced",
    "signupDate": "2024-01-15"
  }
}
'

import requests

url = "https://app.livechatai.com/api/v2/contacts"

payload = {
    "agentId": "clx1234567890abcdef",
    "distinctId": "user_12345",
    "contactId": "contact_1234567890",
    "userHash": "abc123hash",
    "name": "John Doe",
    "email": "john@example.com",
    "phone": "+1234567890",
    "attributes": {
        "planType": "premium",
        "userLevel": "advanced",
        "signupDate": "2024-01-15"
    }
}
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({
    agentId: 'clx1234567890abcdef',
    distinctId: 'user_12345',
    contactId: 'contact_1234567890',
    userHash: 'abc123hash',
    name: 'John Doe',
    email: 'john@example.com',
    phone: '+1234567890',
    attributes: {planType: 'premium', userLevel: 'advanced', signupDate: '2024-01-15'}
  })
};

fetch('https://app.livechatai.com/api/v2/contacts', 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://app.livechatai.com/api/v2/contacts",
  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([
    'agentId' => 'clx1234567890abcdef',
    'distinctId' => 'user_12345',
    'contactId' => 'contact_1234567890',
    'userHash' => 'abc123hash',
    'name' => 'John Doe',
    'email' => 'john@example.com',
    'phone' => '+1234567890',
    'attributes' => [
        'planType' => 'premium',
        'userLevel' => 'advanced',
        'signupDate' => '2024-01-15'
    ]
  ]),
  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://app.livechatai.com/api/v2/contacts"

	payload := strings.NewReader("{\n  \"agentId\": \"clx1234567890abcdef\",\n  \"distinctId\": \"user_12345\",\n  \"contactId\": \"contact_1234567890\",\n  \"userHash\": \"abc123hash\",\n  \"name\": \"John Doe\",\n  \"email\": \"john@example.com\",\n  \"phone\": \"+1234567890\",\n  \"attributes\": {\n    \"planType\": \"premium\",\n    \"userLevel\": \"advanced\",\n    \"signupDate\": \"2024-01-15\"\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://app.livechatai.com/api/v2/contacts")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"agentId\": \"clx1234567890abcdef\",\n  \"distinctId\": \"user_12345\",\n  \"contactId\": \"contact_1234567890\",\n  \"userHash\": \"abc123hash\",\n  \"name\": \"John Doe\",\n  \"email\": \"john@example.com\",\n  \"phone\": \"+1234567890\",\n  \"attributes\": {\n    \"planType\": \"premium\",\n    \"userLevel\": \"advanced\",\n    \"signupDate\": \"2024-01-15\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.livechatai.com/api/v2/contacts")

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  \"agentId\": \"clx1234567890abcdef\",\n  \"distinctId\": \"user_12345\",\n  \"contactId\": \"contact_1234567890\",\n  \"userHash\": \"abc123hash\",\n  \"name\": \"John Doe\",\n  \"email\": \"john@example.com\",\n  \"phone\": \"+1234567890\",\n  \"attributes\": {\n    \"planType\": \"premium\",\n    \"userLevel\": \"advanced\",\n    \"signupDate\": \"2024-01-15\"\n  }\n}"

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

{
  "status": "success",
  "contactId": "contact_1234567890"
}