diff --git a/Gemfile b/Gemfile
index 481cd1c..7d9d2e3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -58,7 +58,7 @@ end
 # Use unicorn as the app server
 gem "unicorn"
 
-
+gem 'curb'
 
 # Use debugger
 # gem 'debugger', group: [:development, :test]
diff --git a/Gemfile.lock b/Gemfile.lock
index dbd0166..3ede1a5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,6 +57,7 @@ GEM
     commonjs (0.2.7)
     concurrent-ruby (1.1.8)
     crass (1.0.6)
+    curb (0.9.11)
     erubis (2.7.0)
     execjs (2.8.1)
     formtastic (3.1.5)
@@ -208,6 +209,7 @@ DEPENDENCIES
   bcrypt-ruby (~> 3.1.2)
   carrierwave
   coffee-rails (~> 4.0.0)
+  curb
   formtastic
   formtastic-bootstrap
   haml-rails
diff --git a/app/controllers/public/contacts_controller.rb b/app/controllers/public/contacts_controller.rb
index 42a84a7..88e8888 100644
--- a/app/controllers/public/contacts_controller.rb
+++ b/app/controllers/public/contacts_controller.rb
@@ -11,16 +11,46 @@ class Public::ContactsController < ApplicationController
 	def create
 		@contact = Contact.new(params.require(:contact).permit(:website, :place, :tel, :name, :email, :message))
 
-	
-		if @contact.save
-			QuestionMailer.send_contact(@contact).deliver
-      QuestionMailer.remerciement(@contact).deliver
-      render :action => :create
-    else
+	  
       
-      render :action => :new
-		end
+  		if @contact.save
+        if valid_captcha?(params['g-recaptcha-response'])
+    			QuestionMailer.send_contact(@contact).deliver
+          QuestionMailer.remerciement(@contact).deliver
+          render :action => :create
+        
+        else
+          render :action => :captcha
+        end
+      else
+      
+        render :action => :new
+  		end
 
+    
 	end
+  
+  
+  def valid_captcha?(recaptcha_response)
+      return true if Rails.env.test?
+
+      
+      @c = Curl::Easy.new("https://www.google.com/recaptcha/api/siteverify") do |curl|      
+        curl.verbose = true
+      end
+
+
+      @c.http_post(
+      Curl::PostField.content(:secret, RECAPTCHA_SECRET_KEY),
+      Curl::PostField.content(:response, recaptcha_response)
+  
+      )
+
+      @debug = JSON.parse(@c.body_str) #["successe"]
+      
+      return @debug["success"]
+      
+      
+  end
 
 end
diff --git a/app/views/public/contacts/_form.html.haml b/app/views/public/contacts/_form.html.haml
index 71648d5..76b2c7d 100644
--- a/app/views/public/contacts/_form.html.haml
+++ b/app/views/public/contacts/_form.html.haml
@@ -6,4 +6,23 @@
     =f.input :tel, :label => "Téléphone :"
     =f.input :place, :label => "Lieu de votre projet :"
     =f.input :message, :label => "Message :"
-    =f.submit "Envoyer", :class => "btn"
\ No newline at end of file
+    <script src="https://www.google.com/recaptcha/api.js" async defer></script>
+    
+    =raw '<div class="g-recaptcha" data-sitekey="'+RECAPTCHA_SITE_KEY+'"></div>'
+    
+    =f.submit "Envoyer", :class => "btn"
+    
+  :javascript
+    $("form").validationEngine();
+    
+    $("form").submit(function(event) {
+
+       var recaptcha = $("#g-recaptcha-response").val();
+       if (recaptcha === "") {
+          event.preventDefault();
+          alert("Merci de cliquer sur la case 'Je ne suis pas un robot.'");
+       }
+    });
+  
+    
+    
\ No newline at end of file
diff --git a/app/views/public/contacts/captcha.js.erb b/app/views/public/contacts/captcha.js.erb
new file mode 100644
index 0000000..389993b
--- /dev/null
+++ b/app/views/public/contacts/captcha.js.erb
@@ -0,0 +1 @@
+$("#form").append("Captcha invalide");
\ No newline at end of file
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 4eef868..5f25f30 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -36,4 +36,8 @@ CMSnb::Application.configure do
   
   
   config.action_mailer.default_url_options = { :host => 'localhost:3000' }
+  
+  RECAPTCHA_SITE_KEY   = '6Ldj6LQUAAAAACY6SmePKeUcpbcY9WVD47-u8l_s'
+  RECAPTCHA_SECRET_KEY = '6Ldj6LQUAAAAAO-11feITBPmDATAF--NqcXh5_WP'
+  
 end
diff --git a/config/environments/production.rb b/config/environments/production.rb
index dbf6359..5cd8015 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -87,4 +87,7 @@ CMSnb::Application.configure do
 
 	config.action_mailer.delivery_method = :sendmail
   
+  RECAPTCHA_SITE_KEY   = '6Ldj6LQUAAAAACY6SmePKeUcpbcY9WVD47-u8l_s'
+  RECAPTCHA_SECRET_KEY = '6Ldj6LQUAAAAAO-11feITBPmDATAF--NqcXh5_WP'
+  
 end