Laravel 8 Firebase Phone Number OTP Auth Example

Laravel 8 Firebase Phone Number OTP Auth Example

Laravel 8 phone or mobile number OTP verification using firebase. In this tutorial, you will learn how to use firebase otp authentication for mobile or phone in laravel 8 app.

first of all, you need to visit Firebase Console and create a project. then you have to create web app on that project as like below screenshot:

After given name and next then you will received firebase sdk as like bellow screen shot:

Next you need to enable phone number auth from bellow link:

You have to save that all information because we will use in our app.

Laravel 8 Firebase Phone Number OTP Authentication Tutorial

  • Step 1 – Download Laravel 8 Application
  • Step 2 – Connecting App to Database
  • Step 3 – Create View
  • Step 4 – Create Route
  • Step 5 – Create Controller By Artisan Command
  • Step 6 – Run Development Server

Step 1 – Download Laravel 8 Application

First of all download or install laravel 8 new setup. So, open terminal and type the following command to install new laravel 8 app into your machine:

composer create-project --prefer-dist laravel/laravel blog

Step 2 – Connecting App to Database

In this step, setup database with your downloded/installed laravel 8 app. So, you need to find .env file and setup database details as following:


Step 3 – Create View

In this step, visit resources/views directory and create one blade view file named index.blade.php. And then add the following code into it:

    <title>Laravel 8 Phone Number Authentication using Firebase -</title>
    <!-- CSS only -->
    <link href="[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">
    <script src=""></script>
<div class="container">
    <h1>Laravel 8 Phone Number Authentication using Firebase -</h1>
    <div class="alert alert-danger" id="error" style="display: none;"></div>
    <div class="card">
      <div class="card-header">
        Enter Phone Number
      <div class="card-body">
        <div class="alert alert-success" id="sentSuccess" style="display: none;"></div>
            <label>Phone Number:</label>
            <input type="text" id="number" class="form-control" placeholder="+91********">
            <div id="recaptcha-container"></div>
            <button type="button" class="btn btn-success" onclick="phoneSendAuth();">SendCode</button>
    <div class="card" style="margin-top: 10px">
      <div class="card-header">
        Enter Verification code
      <div class="card-body">
        <div class="alert alert-success" id="successRegsiter" style="display: none;"></div>
            <input type="text" id="verificationCode" class="form-control" placeholder="Enter verification code">
            <button type="button" class="btn btn-success" onclick="codeverify();">Verify code</button>
<script src=""></script>
  var firebaseConfig = {
    apiKey: "AIzaSyBPdVwUIYOY0qRr9kbIMTnxKpFw_nkneYk",
    authDomain: "",
    databaseURL: "",
    projectId: "itdemo-push-notification",
    storageBucket: "",
    messagingSenderId: "257055232313",
    appId: "1:257055232313:web:3f09127acdda7298dfd8e8",
    measurementId: "G-VMJ68DFLXL"
<script type="text/javascript">
    window.onload=function () {
    function render() {
        window.recaptchaVerifier=new firebase.auth.RecaptchaVerifier('recaptcha-container');
    function phoneSendAuth() {
        var number = $("#number").val();
        firebase.auth().signInWithPhoneNumber(number,window.recaptchaVerifier).then(function (confirmationResult) {
            $("#sentSuccess").text("Message Sent Successfully.");
        }).catch(function (error) {
    function codeverify() {
        var code = $("#verificationCode").val();
        coderesult.confirm(code).then(function (result) {
            var user=result.user;
            $("#successRegsiter").text("you are register Successfully.");
        }).catch(function (error) {

Step 4 – Create Routes

In this step, open web.php file from routes direcotry. And update the following routes into web.php file:

use Illuminate\Support\Facades\Route;
use App\Http\Controllers\FirebaseController;
| Web Routes
| Here is where you can register web routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| contains the "web" middleware group. Now create something great!
Route::get('firebase-phone-authentication', [FirebaseController::class, 'index']);

Step 5 – Create Controller By Artisan Command

In this step, run the following command on command prompt to create controller file:

php artisan make:controller FirebaseController

After that, go to app/http/controllers and open FirebaseController.php file. And update the following code into it:

namespace App\Http\Controllers;
use Illuminate\Http\Request;
class FirebaseController extends Controller
     * Write code on Method
     * @return response()
    public function index()
        return view('index');

Step 6 – Run Development Server

Finally, open command prompt and run the following command to start developement server:

php artisan serve

Then open your browser and hit the following url on it:

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My name is Devendra Dode. I am a full-stack developer, entrepreneur, and owner of I like writing tutorials and tips that can help other developers. I share tutorials of PHP, Python, Javascript, JQuery, Laravel, Livewire, Codeigniter, Node JS, Express JS, Vue JS, Angular JS, React Js, MySQL, MongoDB, REST APIs, Windows, Xampp, Linux, Ubuntu, Amazon AWS, Composer, SEO, WordPress, SSL and Bootstrap from a starting stage. As well as demo example.

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