diff --git a/app/controllers/dice_rolls_controller.rb b/app/controllers/dice_rolls_controller.rb
new file mode 100644
index 0000000..860c5ac
--- /dev/null
+++ b/app/controllers/dice_rolls_controller.rb
@@ -0,0 +1,33 @@
+class DiceRollsController < ApplicationController
+  VALID_DICE_TYPES = %w[d2 d4 d6 d8 d10 d20 d100]
+
+  def rolls
+    rolls_count = 1
+    
+    unless VALID_DICE_TYPES.include?(params[:dice_type])
+      render json: {}, status: 404
+    end
+
+    dice_type = params[:dice_type]
+    rolls = []
+    
+    rolls_count.times do 
+      # on a une méthode dédiée pour lancer un dé
+      rolls.push(roll_dice(dice_type))
+    end
+
+    render json: {
+      dice: dice_type,
+      rolls: rolls,
+    }
+  end
+
+  private
+
+  def roll_dice(dice_type)
+    # ex: on passe de "d100" à "100" puis à l'entier 100 avec le to_i
+    upper_bound = dice_type[1..].to_i
+    # rand de 1 à la taille du dé 
+    rand(1..upper_bound)
+  end
+end
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index 70c2da8..9e63256 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,5 +1,6 @@
 Rails.application.routes.draw do
   # Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
+  get '/dice-rolls/:dice_type', to: "dice_rolls#rolls"
 
   # Defines the root path route ("/")
   root 'home#welcome'