curl --request POST \
  --url https://vouchersx.com/integrations/users \
  --header 'Content-Type: application/json' \
  --header 'x-partner-slug: <x-partner-slug>' \
  --header 'x-signature: <api-key>' \
  --data '
{
  "externalUserId": "<string>",
  "email": "jsmith@example.com",
  "displayName": "<string>",
  "phone": "<string>",
  "countryCode": "<string>",
  "locale": "<string>"
}
'

import requests

url = "https://vouchersx.com/integrations/users"

payload = {
    "externalUserId": "<string>",
    "email": "jsmith@example.com",
    "displayName": "<string>",
    "phone": "<string>",
    "countryCode": "<string>",
    "locale": "<string>"
}
headers = {
    "x-partner-slug": "<x-partner-slug>",
    "x-signature": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'x-partner-slug': '<x-partner-slug>',
    'x-signature': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    externalUserId: '<string>',
    email: 'jsmith@example.com',
    displayName: '<string>',
    phone: '<string>',
    countryCode: '<string>',
    locale: '<string>'
  })
};

fetch('https://vouchersx.com/integrations/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_URL => "https://vouchersx.com/integrations/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([
    'externalUserId' => '<string>',
    'email' => 'jsmith@example.com',
    'displayName' => '<string>',
    'phone' => '<string>',
    'countryCode' => '<string>',
    'locale' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-partner-slug: <x-partner-slug>",
    "x-signature: <api-key>"
  ],
]);

$response = curl_exec($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://vouchersx.com/integrations/users"

	payload := strings.NewReader("{\n  \"externalUserId\": \"<string>\",\n  \"email\": \"jsmith@example.com\",\n  \"displayName\": \"<string>\",\n  \"phone\": \"<string>\",\n  \"countryCode\": \"<string>\",\n  \"locale\": \"<string>\"\n}")

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

	req.Header.Add("x-partner-slug", "<x-partner-slug>")
	req.Header.Add("x-signature", "<api-key>")
	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://vouchersx.com/integrations/users")
  .header("x-partner-slug", "<x-partner-slug>")
  .header("x-signature", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"externalUserId\": \"<string>\",\n  \"email\": \"jsmith@example.com\",\n  \"displayName\": \"<string>\",\n  \"phone\": \"<string>\",\n  \"countryCode\": \"<string>\",\n  \"locale\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://vouchersx.com/integrations/users")

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

request = Net::HTTP::Post.new(url)
request["x-partner-slug"] = '<x-partner-slug>'
request["x-signature"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"externalUserId\": \"<string>\",\n  \"email\": \"jsmith@example.com\",\n  \"displayName\": \"<string>\",\n  \"phone\": \"<string>\",\n  \"countryCode\": \"<string>\",\n  \"locale\": \"<string>\"\n}"

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

{
  "userId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "created": false
}

{
  "userId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "created": true
}

{
  "error": "validation_failed"
}

{
  "error": "invalid_signature"
}

{
  "error": "partner_disabled"
}

{
  "error": "upsert_failed"
}