curl --request POST \
  --url https://prod01.copilot.fabric.inc/data-subscription/v1/customers \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "customerReferenceId": "12345",
  "locale": "en_US",
  "email": "customer@example.com",
  "firstName": "Pat",
  "lastName": "Kake",
  "communicationPreference": {
    "email": true,
    "sms": true
  },
  "contactnumber": "+923333709568",
  "middleName": "E",
  "segment": [
    "employee"
  ],
  "employeeId": "345"
}
'

import requests

url = "https://prod01.copilot.fabric.inc/data-subscription/v1/customers"

payload = {
    "customerReferenceId": "12345",
    "locale": "en_US",
    "email": "customer@example.com",
    "firstName": "Pat",
    "lastName": "Kake",
    "communicationPreference": {
        "email": True,
        "sms": True
    },
    "contactnumber": "+923333709568",
    "middleName": "E",
    "segment": ["employee"],
    "employeeId": "345"
}
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({
    customerReferenceId: '12345',
    locale: 'en_US',
    email: 'customer@example.com',
    firstName: 'Pat',
    lastName: 'Kake',
    communicationPreference: {email: true, sms: true},
    contactnumber: '+923333709568',
    middleName: 'E',
    segment: ['employee'],
    employeeId: '345'
  })
};

fetch('https://prod01.copilot.fabric.inc/data-subscription/v1/customers', 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://prod01.copilot.fabric.inc/data-subscription/v1/customers",
  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([
    'customerReferenceId' => '12345',
    'locale' => 'en_US',
    'email' => 'customer@example.com',
    'firstName' => 'Pat',
    'lastName' => 'Kake',
    'communicationPreference' => [
        'email' => true,
        'sms' => true
    ],
    'contactnumber' => '+923333709568',
    'middleName' => 'E',
    'segment' => [
        'employee'
    ],
    'employeeId' => '345'
  ]),
  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://prod01.copilot.fabric.inc/data-subscription/v1/customers"

	payload := strings.NewReader("{\n  \"customerReferenceId\": \"12345\",\n  \"locale\": \"en_US\",\n  \"email\": \"customer@example.com\",\n  \"firstName\": \"Pat\",\n  \"lastName\": \"Kake\",\n  \"communicationPreference\": {\n    \"email\": true,\n    \"sms\": true\n  },\n  \"contactnumber\": \"+923333709568\",\n  \"middleName\": \"E\",\n  \"segment\": [\n    \"employee\"\n  ],\n  \"employeeId\": \"345\"\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://prod01.copilot.fabric.inc/data-subscription/v1/customers")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"customerReferenceId\": \"12345\",\n  \"locale\": \"en_US\",\n  \"email\": \"customer@example.com\",\n  \"firstName\": \"Pat\",\n  \"lastName\": \"Kake\",\n  \"communicationPreference\": {\n    \"email\": true,\n    \"sms\": true\n  },\n  \"contactnumber\": \"+923333709568\",\n  \"middleName\": \"E\",\n  \"segment\": [\n    \"employee\"\n  ],\n  \"employeeId\": \"345\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://prod01.copilot.fabric.inc/data-subscription/v1/customers")

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  \"customerReferenceId\": \"12345\",\n  \"locale\": \"en_US\",\n  \"email\": \"customer@example.com\",\n  \"firstName\": \"Pat\",\n  \"lastName\": \"Kake\",\n  \"communicationPreference\": {\n    \"email\": true,\n    \"sms\": true\n  },\n  \"contactnumber\": \"+923333709568\",\n  \"middleName\": \"E\",\n  \"segment\": [\n    \"employee\"\n  ],\n  \"employeeId\": \"345\"\n}"

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

{
  "id": "62cffd65e8d7eb868c6a29d6",
  "customerReferenceId": "12345",
  "locale": "en_US",
  "email": "customer@example.com",
  "contactNumber": "+923333709568",
  "firstName": "Pat",
  "middleName": "E",
  "lastName": "Kake",
  "segment": [
    "employee"
  ],
  "employeeId": "345",
  "communicationPreference": {
    "email": true,
    "sms": true
  },
  "status": "ACTIVE",
  "createdAt": "2021-10-12T21:35:05.756Z",
  "updatedAt": "2021-10-14T05:40:55.997Z"
}

{
  "responseStatus": "BAD_REQUEST",
  "message": "Bad request"
}