$ laravel new whatsapp-otp 

$ mysql -u {your_user_name} 

mysql> create database whatsapp-otp; mysql> exit; 

DB_DATABASE=whatsapp-otp DB_USERNAME={your_user_name} DB_PASSWORD={your_db_password} 

TWILIO_WHATSAPP_NUMBER= TWILIO_ACCOUNT_SID= TWILIO_AUTH_TOKEN= 

$ composer require laravel/ui --dev $ php artisan ui bootstrap --auth $ npm install && npm run dev 

/** * Run the migrations. * * @return void */ public function up() { Schema::create('users', function (Blueprint $table) { $table->bigIncrements('id'); $table->string('name'); $table->string('email')->unique(); $table->timestamp('email_verified_at')->nullable(); $table->string('password'); $table->string('phone_number'); $table->string('otp')->nullable(); $table->rememberToken(); $table->timestamps(); }); } 

/** * The attributes that are mass assignable. * * @var array */ protected $fillable = [ 'name', 'email', 'password', 'otp', 'phone_number', ]; 

$ php artisan migrate 

$ composer require twilio/sdk 

<?php namespace App\Http\Controllers\Auth; use App\Http\Controllers\Controller; use App\Providers\RouteServiceProvider; use App\User; use Illuminate\Foundation\Auth\RegistersUsers; use Illuminate\Support\Facades\Hash; use Illuminate\Support\Facades\Validator; use Twilio\Rest\Client; class RegisterController extends Controller { /* |-------------------------------------------------------------------------- | Register Controller |-------------------------------------------------------------------------- | | This controller handles the registration of new users as well as their | validation and creation. By default this controller uses a trait to | provide this functionality without requiring any additional code. | */ use RegistersUsers; /** * Where to redirect users after registration. * * @var string */ protected $redirectTo = RouteServiceProvider::HOME; /** * Create a new controller instance. * * @return void */ public function __construct() { $this->middleware('guest'); } /** * Get a validator for an incoming registration request. * * @param array $data * @return \Illuminate\Contracts\Validation\Validator */ protected function validator(array $data) { return Validator::make($data, [ 'name' => ['required', 'string', 'max:255'], 'email' => ['required', 'string', 'email', 'max:255', 'unique:users'], 'password' => ['required', 'string', 'min:8', 'confirmed'], 'phone_number' => ['required', 'numeric'], ]); } /** * Create a new user instance after a valid registration. * * @param array $data * @return \App\User */ protected function create(array $data) { $otp = rand(1000, 9999); $user = User::create([ 'name' => $data['name'], 'email' => $data['email'], 'phone_number' => $data['phone_number'], 'password' => Hash::make($data['password']), 'otp' => $otp, ]); $this->sendWhatsappNotification($otp, $user->phone_number); return $user; } private function sendWhatsappNotification(string $otp, string $recipient) { $twilio_whatsapp_number = getenv("TWILIO_WHATSAPP_NUMBER"); $account_sid = getenv("TWILIO_ACCOUNT_SID"); $auth_token = getenv("TWILIO_AUTH_TOKEN"); $client = new Client($account_sid, $auth_token); $message = "Your registration pin code is $otp"; return $client->messages->create("whatsapp:$recipient", array('from' => "whatsapp:$twilio_whatsapp_number", 'body' => $message)); } } 

$otp = rand(1000, 9999); 

$client = new Client($account_sid, $auth_token); 

$message = "Your registration pin code is $otp"; 

$client->messages->create("whatsapp:$recipient", array('from' => "whatsapp:$twilio_whatsapp_number", 'body' => $message)); 

@extends('layouts.app') @section('content') <div class="container"> <div class="row justify-content-center"> <div class="col-md-8"> <div class="card"> <div class="card-header">{{ __('Register') }}</div> <div class="card-body"> <form method="POST" action="{{ route('register') }}"> @csrf <div class="form-group row"> <label for="name" class="col-md-4 col-form-label text-md-right">{{ __('Name') }}</label> <div class="col-md-6"> <input id="name" type="text" class="form-control @error('name') is-invalid @enderror" name="name" value="{{ old('name') }}" required autocomplete="name" autofocus> @error('name') <span class="invalid-feedback" role="alert"> <strong>{{ $message }}</strong> </span> @enderror </div> </div> <div class="form-group row"> <label for="email" class="col-md-4 col-form-label text-md-right">{{ __('E-Mail Address') }}</label> <div class="col-md-6"> <input id="email" type="email" class="form-control @error('email') is-invalid @enderror" name="email" value="{{ old('email') }}" required autocomplete="email"> @error('email') <span class="invalid-feedback" role="alert"> <strong>{{ $message }}</strong> </span> @enderror </div> </div> <div class="form-group row"> <label for="password" class="col-md-4 col-form-label text-md-right">{{ __('Password') }}</label> <div class="col-md-6"> <input id="password" type="password" class="form-control @error('password') is-invalid @enderror" name="password" required autocomplete="new-password"> @error('password') <span class="invalid-feedback" role="alert"> <strong>{{ $message }}</strong> </span> @enderror </div> </div> <div class="form-group row"> <label for="password-confirm" class="col-md-4 col-form-label text-md-right">{{ __('Confirm Password') }}</label> <div class="col-md-6"> <input id="password-confirm" type="password" class="form-control" name="password_confirmation" required autocomplete="new-password"> </div> </div> <div class="form-group row"> <label for="password" class="col-md-4 col-form-label text-md-right">{{ __('Phone Number') }}</label> <div class="col-md-6"> <input id="phone_number" type="tel" class="form-control @error('phone_number') is-invalid @enderror" value="{{old('phone_number')}}" name="phone_number" required> @error('phone_number') <span class="invalid-feedback" role="alert"> <strong>{{ $message }}</strong> </span> @enderror </div> </div> <div class="form-group row mb-0"> <div class="col-md-6 offset-md-4"> <button type="submit" class="btn btn-primary"> {{ __('Send OTP') }} </button> </div> </div> </form> </div> </div> </div> </div> </div> @endsection 

 $ php artisan serve