diff --git a/README.md b/README.md
index a015320..bb96fb0 100644
--- a/README.md
+++ b/README.md
@@ -63,6 +63,12 @@ RECAPTCHA_SITE_KEY=site_key
 RECAPTCHA_SECRET=secret
 ```
 
+Run vendor publish to add the captcha.php file to config:
+
+```
+php artisan vendor:publish --tag=CaptchaConfig
+```
+
 By default, The package will try to load keys from environment. However, you can set them manually:
 
 ```php
@@ -157,6 +163,130 @@ class CaptchaController extends Controller
 
 ## Example
 
+### Laravel User Registration Controller
+
+**app\Http\Controllers\Auth\RegisterController.php**
+
+```php
+<?php
+
+namespace App\Http\Controllers\Auth;
+
+use App\User;
+use App\Http\Controllers\Controller;
+use App\Rules\GoogleRecaptcha;
+use Illuminate\Support\Facades\Hash;
+use Illuminate\Support\Facades\Validator;
+use Illuminate\Foundation\Auth\RegistersUsers;
+
+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 = '/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)
+    {
+        $messages = [
+            'g-recaptcha-response.required' => 'You must verify that you are not a robot.',
+        ];
+		
+        return Validator::make($data, [
+            'name' => ['required', 'string', 'max:255'],
+            'email' => ['required', 'string', 'email', 'max:255', 'unique:users'],
+            'password' => ['required', 'string', 'min:8', 'confirmed'],
+            'g-recaptcha-response' => ['required', new GoogleRecaptcha]
+        ], $messages);
+    }
+
+    /**
+     * Create a new user instance after a valid registration.
+     *
+     * @param  array  $data
+     * @return \App\User
+     */
+    protected function create(array $data)
+    {
+        return User::create([
+            'name' => $data['name'],
+            'email' => $data['email'],
+            'password' => Hash::make($data['password']),
+        ]);
+    }
+}
+```
+
+**app\Rules\GoogleRecaptcha.php**
+
+```php
+<?php
+
+namespace App\Rules;
+
+use Anam\Captcha\Captcha;
+use Illuminate\Contracts\Validation\Rule;
+
+class GoogleRecaptcha implements Rule
+{
+
+    /**
+     * Determine if the validation rule passes.
+     *
+     * @param  string  $attribute
+     * @param  mixed  $value
+     * @return bool
+     */
+    public function passes($attribute, $value)
+    {
+        $captcha = new Captcha();
+        $response = $captcha->check(request());
+        return $response->isVerified();
+    }
+
+    /**
+     * Get the validation error message.
+     *
+     * @return string
+     */
+    public function message()
+    {
+        return 'Are you a robot?';
+    }
+}
+```
+
 ## Credits
 
 - [Anam Hossain](https://github.com/anam-hossain)
diff --git a/src/Captcha.php b/src/Captcha.php
index 71a3f46..152b134 100644
--- a/src/Captcha.php
+++ b/src/Captcha.php
@@ -33,7 +33,11 @@ protected function retrieveSecret(string $secret)
     {
         if ($secret) return $secret;
 
-        if (env('RECAPTCHA_SECRET')) return env('RECAPTCHA_SECRET');
+        if (config('captcha.secret')) { 
+            return config('captcha.secret');
+        } elseif (env('RECAPTCHA_SECRET')) {
+            return env('RECAPTCHA_SECRET');
+        }
 
         throw new SecretNotFoundException;
     }
diff --git a/src/ServiceProvider/CaptchaServiceProvider.php b/src/ServiceProvider/CaptchaServiceProvider.php
index 14b7c6c..fb93e23 100644
--- a/src/ServiceProvider/CaptchaServiceProvider.php
+++ b/src/ServiceProvider/CaptchaServiceProvider.php
@@ -27,11 +27,15 @@ public function register()
      */
     public function boot()
     {
+		$this->publishes([
+              __DIR__.'/../config/captcha.php' => config_path('captcha.php'),
+        ], 'CaptchaConfig');
+		
         Blade::directive('captcha', function ($siteKey = null) {
 
             $siteKey = $this->loadSiteKey($siteKey);
 
-            return  "<script src='https://www.google.com/recaptcha/api.js'></script>".
+            return  "<script src='https://www.google.com/recaptcha/api.js' async defer></script>".
                     "<div class='g-recaptcha' data-sitekey='{$siteKey}'></div>";
         });
 
@@ -74,7 +78,9 @@ public function loadSiteKey($siteKey = null)
     {
         if ($siteKey) return $siteKey;
 
-        if (env('RECAPTCHA_SITE_KEY')) {
+        if (config('captcha.site_key')) {
+            return config('captcha.site_key');
+        } elseif (env('RECAPTCHA_SITE_KEY')) {
             return env('RECAPTCHA_SITE_KEY');
         }
 
diff --git a/src/config/captcha.php b/src/config/captcha.php
new file mode 100644
index 0000000..2065801
--- /dev/null
+++ b/src/config/captcha.php
@@ -0,0 +1,27 @@
+<?php
+
+return [
+
+    /*
+    |--------------------------------------------------------------------------
+    | Site Key for google's recaptcha 
+    |--------------------------------------------------------------------------
+    |
+    | Here you may provide the site key for google's recaptcha. 
+    |
+    */
+
+    'site_key' => env('RECAPTCHA_SITE_KEY'),
+
+    /*
+    |--------------------------------------------------------------------------
+    | Secret Key for google's recaptcha 
+    |--------------------------------------------------------------------------
+    |
+    | Here you may provide the secret key for google's recaptcha. 
+    |
+    */
+ 
+    'secret' => env('RECAPTCHA_SECRET'),
+
+];