diff --git a/app/assets/javascripts/controllers/machines.coffee.erb b/app/assets/javascripts/controllers/machines.coffee.erb
index 76ce33b73..8b5a389a2 100644
--- a/app/assets/javascripts/controllers/machines.coffee.erb
+++ b/app/assets/javascripts/controllers/machines.coffee.erb
@@ -636,7 +636,7 @@ Application.Controllers.controller "ReserveMachineController", ["$scope", "$stat
   # Format the parameters expected by /api/prices/compute or /api/reservations and return the resulting object
   # @param reservation {Object} as returned by mkReservation()
   # @param coupon {Object} Coupon as returned from the API
-  # @return {{reservation:Object, coupon_id:number}}
+  # @return {{reservation:Object, coupon_code:string}}
   ##
   mkRequestParams = (reservation, coupon) ->
     params =
diff --git a/app/assets/javascripts/controllers/trainings.coffee.erb b/app/assets/javascripts/controllers/trainings.coffee.erb
index e5376ea91..4f73efe9a 100644
--- a/app/assets/javascripts/controllers/trainings.coffee.erb
+++ b/app/assets/javascripts/controllers/trainings.coffee.erb
@@ -107,6 +107,10 @@ Application.Controllers.controller "ReserveTrainingController", ["$scope", "$sta
   ## Selected training unless 'all' trainings are displayed
   $scope.training = trainingPromise
 
+  ## Discount coupon to apply to the basket, if any
+  $scope.coupon =
+    applied: null
+
   ## fullCalendar (v2) configuration
   $scope.calendarConfig = CalendarConfig
     minTime: moment.duration(moment(settingsPromise.booking_window_start).format('HH:mm:ss'))
@@ -321,7 +325,7 @@ Application.Controllers.controller "ReserveTrainingController", ["$scope", "$sta
   $scope.updatePrices = ->
     if Object.keys($scope.ctrl.member).length > 0
       r = mkReservation($scope.ctrl.member, $scope.selectedTraining, $scope.selectedPlan)
-      Price.compute {reservation: r}, (res) ->
+      Price.compute mkRequestParams(r, $scope.coupon.applied), (res) ->
         $scope.amountTotal = res.price
     else
       $scope.amountTotal = null
@@ -338,6 +342,11 @@ Application.Controllers.controller "ReserveTrainingController", ["$scope", "$sta
       Member.get id: $scope.currentUser.id, (member) ->
         $scope.ctrl.member = member
 
+    # watch when a coupon is applied to re-compute the total price
+    $scope.$watch 'coupon.applied', (newValue, oldValue) ->
+      unless newValue == null and oldValue == null
+        $scope.updatePrices()
+
 
 
   ##
@@ -365,6 +374,21 @@ Application.Controllers.controller "ReserveTrainingController", ["$scope", "$sta
 
 
 
+  ##
+  # Format the parameters expected by /api/prices/compute or /api/reservations and return the resulting object
+  # @param reservation {Object} as returned by mkReservation()
+  # @param coupon {Object} Coupon as returned from the API
+  # @return {{reservation:Object, coupon_code:string}}
+  ##
+  mkRequestParams = (reservation, coupon) ->
+    params =
+      reservation: reservation
+      coupon_code: (coupon.code if coupon)
+
+    params
+
+
+
   ##
   # Triggered when the user clicks on a reservation slot in the agenda.
   # Defines the behavior to adopt depending on the slot status (already booked, free, ready to be reserved ...),
@@ -475,12 +499,15 @@ Application.Controllers.controller "ReserveTrainingController", ["$scope", "$sta
         reservation: ->
           reservation
         price: ->
-          Price.compute({reservation: reservation}).$promise
+          Price.compute(mkRequestParams(reservation, $scope.coupon.applied)).$promise
         wallet: ->
           Wallet.getWalletByUser({user_id: reservation.user_id}).$promise
         cgv: ->
           CustomAsset.get({name: 'cgv-file'}).$promise
-      controller: ['$scope', '$uibModalInstance', '$state', 'reservation', 'price', 'wallet', 'cgv', 'Auth', 'Reservation', '$locale', 'helpers', '$filter', ($scope, $uibModalInstance, $state, reservation, price, wallet, cgv, Auth, Reservation, $locale, helpers, $filter) ->
+        coupon: ->
+          $scope.coupon.applied
+      controller: ['$scope', '$uibModalInstance', '$state', 'reservation', 'price', 'wallet', 'cgv', 'Auth', 'Reservation', '$locale', 'helpers', '$filter', 'coupon'
+      ($scope, $uibModalInstance, $state, reservation, price, wallet, cgv, Auth, Reservation, $locale, helpers, $filter, coupon) ->
         # user wallet amount
         $scope.walletAmount = wallet.amount
 
@@ -506,7 +533,7 @@ Application.Controllers.controller "ReserveTrainingController", ["$scope", "$sta
           else
             $scope.attempting = true
             $scope.reservation.card_token = response.id
-            Reservation.save reservation: $scope.reservation, (reservation) ->
+            Reservation.save mkRequestParams($scope.reservation, coupon), (reservation) ->
               $uibModalInstance.close(reservation)
             , (response)->
               $scope.alerts = []
@@ -535,10 +562,13 @@ Application.Controllers.controller "ReserveTrainingController", ["$scope", "$sta
         reservation: ->
           reservation
         price: ->
-          Price.compute({reservation: reservation}).$promise
+          Price.compute(mkRequestParams(reservation, $scope.coupon.applied)).$promise
         wallet: ->
           Wallet.getWalletByUser({user_id: reservation.user_id}).$promise
-      controller: ['$scope', '$uibModalInstance', '$state', '$filter', 'reservation', 'price', 'wallet', 'Auth', 'Reservation', '$locale', 'helpers', ($scope, $uibModalInstance, $state, $filter, reservation, price, wallet, Auth, Reservation, $locale, helpers) ->
+        coupon: ->
+          $scope.coupon.applied
+      controller: ['$scope', '$uibModalInstance', '$state', '$filter', 'reservation', 'price', 'wallet', 'Auth', 'Reservation', '$locale', 'helpers', 'coupon'
+      ($scope, $uibModalInstance, $state, $filter, reservation, price, wallet, Auth, Reservation, $locale, helpers, coupon) ->
         # user wallet amount
         $scope.walletAmount = wallet.amount
 
@@ -569,7 +599,7 @@ Application.Controllers.controller "ReserveTrainingController", ["$scope", "$sta
         ##
         $scope.ok = ->
           $scope.attempting = true
-          Reservation.save reservation: $scope.reservation, (reservation) ->
+          Reservation.save mkRequestParams($scope.reservation, coupon), (reservation) ->
             $uibModalInstance.close(reservation)
             $scope.attempting = true
           , (response)->
@@ -592,7 +622,7 @@ Application.Controllers.controller "ReserveTrainingController", ["$scope", "$sta
     # first we check that a user was selected
     if Object.keys($scope.ctrl.member).length > 0
       r = mkReservation($scope.ctrl.member, training) # reservation without any Plan -> we get the training price
-      Price.compute {reservation: r}, (res) ->
+      Price.compute mkRequestParams(r, $scope.coupon.applied), (res) ->
         $scope.selectedTrainingAmount = res.price
     else
       $scope.selectedTrainingAmount = null
diff --git a/app/assets/javascripts/router.coffee.erb b/app/assets/javascripts/router.coffee.erb
index 712718f72..10c6c8c86 100644
--- a/app/assets/javascripts/router.coffee.erb
+++ b/app/assets/javascripts/router.coffee.erb
@@ -444,7 +444,8 @@ angular.module('application.router', ['ui.router']).
           ]
           translations: [ 'Translations', (Translations) ->
             Translations.query(['app.logged.trainings_reserve', 'app.shared.plan_subscribe', 'app.shared.member_select',
-              'app.shared.stripe', 'app.shared.valid_reservation_modal', 'app.shared.confirm_modify_slot_modal', 'app.shared.wallet']).$promise
+              'app.shared.stripe', 'app.shared.valid_reservation_modal', 'app.shared.confirm_modify_slot_modal',
+              'app.shared.wallet', 'app.shared.coupon_input']).$promise
           ]
       # notifications
       .state 'app.logged.notifications',
diff --git a/app/assets/templates/trainings/reserve.html.erb b/app/assets/templates/trainings/reserve.html.erb
index f104a2068..5f03078f4 100644
--- a/app/assets/templates/trainings/reserve.html.erb
+++ b/app/assets/templates/trainings/reserve.html.erb
@@ -82,6 +82,8 @@
           <a class="pull-right m-t-xs text-u-l" href="#" ng-click="removeTraining($event)" ng-if="trainingIsValid" translate>{{ 'remove_this_slot' }}</a>
         </div>
 
+        <coupon show="trainingIsValid && (!plansIsShow || selectedPlan)" coupon="coupon.applied" user-id="{{ctrl.member.id}}"></coupon>
+
         <span ng-hide="fablabWithoutPlans">
           <div ng-if="trainingIsValid && !ctrl.member.subscribed_plan" ng-show="!plansIsShow">
             <p class="font-sbold text-base l-h-2x" translate>{{ 'to_benefit_from_attractive_prices_and_a_free_training' }}</p>