curl --request POST \
  --url https://api.saber.money/api/v1/user/client_user \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <x-api-key>' \
  --header 'X-Request-Id: <x-request-id>' \
  --header 'X-Signature: <x-signature>' \
  --header 'X-Timestamp: <x-timestamp>' \
  --data '
{
  "user_uuid": "optional-uuid",
  "client_user_id": "optional-string",
  "email": "user@example.com",
  "phone": "+911234567890"
}
'

import requests

url = "https://api.saber.money/api/v1/user/client_user"

payload = {
    "user_uuid": "optional-uuid",
    "client_user_id": "optional-string",
    "email": "user@example.com",
    "phone": "+911234567890"
}
headers = {
    "X-Api-Key": "<x-api-key>",
    "X-Signature": "<x-signature>",
    "X-Timestamp": "<x-timestamp>",
    "X-Request-Id": "<x-request-id>",
    "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>',
    'X-Signature': '<x-signature>',
    'X-Timestamp': '<x-timestamp>',
    'X-Request-Id': '<x-request-id>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    user_uuid: 'optional-uuid',
    client_user_id: 'optional-string',
    email: 'user@example.com',
    phone: '+911234567890'
  })
};

fetch('https://api.saber.money/api/v1/user/client_user', 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://api.saber.money/api/v1/user/client_user",
  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([
    'user_uuid' => 'optional-uuid',
    'client_user_id' => 'optional-string',
    'email' => 'user@example.com',
    'phone' => '+911234567890'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-Api-Key: <x-api-key>",
    "X-Request-Id: <x-request-id>",
    "X-Signature: <x-signature>",
    "X-Timestamp: <x-timestamp>"
  ],
]);

$response = curl_exec($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://api.saber.money/api/v1/user/client_user"

	payload := strings.NewReader("{\n  \"user_uuid\": \"optional-uuid\",\n  \"client_user_id\": \"optional-string\",\n  \"email\": \"user@example.com\",\n  \"phone\": \"+911234567890\"\n}")

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

	req.Header.Add("X-Api-Key", "<x-api-key>")
	req.Header.Add("X-Signature", "<x-signature>")
	req.Header.Add("X-Timestamp", "<x-timestamp>")
	req.Header.Add("X-Request-Id", "<x-request-id>")
	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://api.saber.money/api/v1/user/client_user")
  .header("X-Api-Key", "<x-api-key>")
  .header("X-Signature", "<x-signature>")
  .header("X-Timestamp", "<x-timestamp>")
  .header("X-Request-Id", "<x-request-id>")
  .header("Content-Type", "application/json")
  .body("{\n  \"user_uuid\": \"optional-uuid\",\n  \"client_user_id\": \"optional-string\",\n  \"email\": \"user@example.com\",\n  \"phone\": \"+911234567890\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.saber.money/api/v1/user/client_user")

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["X-Signature"] = '<x-signature>'
request["X-Timestamp"] = '<x-timestamp>'
request["X-Request-Id"] = '<x-request-id>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"user_uuid\": \"optional-uuid\",\n  \"client_user_id\": \"optional-string\",\n  \"email\": \"user@example.com\",\n  \"phone\": \"+911234567890\"\n}"

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

{
  "success": true,
  "data": {
    "client_user_id": "client_reference",
    "user_id": "77c4562e-ce47-4054-9d4e-4df69ca61ac2"
  }
}