curl --request POST \
  --url https://nxt-ulm-pdt.m1amdocs.io/platform/rest/v85/activation/addUser \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "authnIdentifiers": {
    "value": "Johny@example.com",
    "mfaEnabled": false,
    "primary": true
  },
  "displayName": "Johny",
  "firstName": "John",
  "lastName": "Smith"
}
'

import requests

url = "https://nxt-ulm-pdt.m1amdocs.io/platform/rest/v85/activation/addUser"

payload = {
    "authnIdentifiers": {
        "value": "Johny@example.com",
        "mfaEnabled": False,
        "primary": True
    },
    "displayName": "Johny",
    "firstName": "John",
    "lastName": "Smith"
}
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({
    authnIdentifiers: {value: 'Johny@example.com', mfaEnabled: false, primary: true},
    displayName: 'Johny',
    firstName: 'John',
    lastName: 'Smith'
  })
};

fetch('https://nxt-ulm-pdt.m1amdocs.io/platform/rest/v85/activation/addUser', 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://nxt-ulm-pdt.m1amdocs.io/platform/rest/v85/activation/addUser",
  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([
    'authnIdentifiers' => [
        'value' => 'Johny@example.com',
        'mfaEnabled' => false,
        'primary' => true
    ],
    'displayName' => 'Johny',
    'firstName' => 'John',
    'lastName' => 'Smith'
  ]),
  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://nxt-ulm-pdt.m1amdocs.io/platform/rest/v85/activation/addUser"

	payload := strings.NewReader("{\n  \"authnIdentifiers\": {\n    \"value\": \"Johny@example.com\",\n    \"mfaEnabled\": false,\n    \"primary\": true\n  },\n  \"displayName\": \"Johny\",\n  \"firstName\": \"John\",\n  \"lastName\": \"Smith\"\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://nxt-ulm-pdt.m1amdocs.io/platform/rest/v85/activation/addUser")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"authnIdentifiers\": {\n    \"value\": \"Johny@example.com\",\n    \"mfaEnabled\": false,\n    \"primary\": true\n  },\n  \"displayName\": \"Johny\",\n  \"firstName\": \"John\",\n  \"lastName\": \"Smith\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://nxt-ulm-pdt.m1amdocs.io/platform/rest/v85/activation/addUser")

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  \"authnIdentifiers\": {\n    \"value\": \"Johny@example.com\",\n    \"mfaEnabled\": false,\n    \"primary\": true\n  },\n  \"displayName\": \"Johny\",\n  \"firstName\": \"John\",\n  \"lastName\": \"Smith\"\n}"

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

{
  "authnIdentifier": "Johny@example.com",
  "userId": 2345,
  "message": {
    "dispatcherName": "emailService",
    "destination": "Johny@example.com",
    "tenantId": "nxt",
    "locale": "en",
    "smsTemplate": "sms_template",
    "emailHeaderTemplate": "email_header_template",
    "emailBodyTemplate": "email_body_template",
    "dispatcherParameters": {},
    "templatesParams": {}
  }
}

{
  "fieldErrors": [
    {
      "code": "NotNull",
      "code_v2": "not-null",
      "field": "name",
      "message": "Value must not be null",
      "rejectedValue": "bad value"
    }
  ],
  "operationErrors": [
    {
      "code": "invalid-input-error",
      "message": "No primary authentication identifier provided"
    }
  ]
}

{
  "stackTrace": "<string>",
  "operationErrors": [
    {
      "code": "authentication-required",
      "message": "Full Authentication Required"
    }
  ]
}

{
  "stackTrace": "<string>",
  "operationErrors": [
    {
      "code": "ACCESS_FORBIDDEN",
      "message": "Access Denied"
    }
  ]
}

{
  "operationErrors": [
    {
      "code": "already-exist-email",
      "message": "email already exists"
    }
  ]
}