diff --git a/src/pages/buy/buy.html b/src/pages/buy/buy.html
index ab46543..a026b54 100644
--- a/src/pages/buy/buy.html
+++ b/src/pages/buy/buy.html
@@ -23,7 +23,7 @@
 
     <ion-item>
       <ion-label stacked>N° de carte</ion-label>
-      <ion-input type="number"></ion-input>
+      <ion-input [(ngModel)]="cardnumber" name="cardnumber" type="number" min="0000000000000000" max="9999999999999999"></ion-input>
     </ion-item>
 
     <ion-item>
@@ -31,17 +31,36 @@
       <ion-input type="text"></ion-input>
     </ion-item>
 
-    <ion-item>
-      <ion-label stacked>Date d'expiration</ion-label>
-      <ion-input type="number"></ion-input>
-    </ion-item>
+
+
+      <ion-grid>
+        <ion-row class="cb-date">
+          <ion-col col-5>
+            <ion-item>
+              <ion-label stacked>Date d'expiration</ion-label>
+            <ion-input [(ngModel)]="mounth" name="mounth" type="number" min="1" max="12"></ion-input>
+            </ion-item>
+          </ion-col>
+        </ion-row>
+        <ion-row>
+          <ion-col col-2> / </ion-col>
+        </ion-row>
+        <ion-row>
+          <ion-col col-5>
+            <ion-item>
+              <ion-input [(ngModel)]="year" name="year" type="number"></ion-input>
+            </ion-item>
+          </ion-col>
+        </ion-row>
+      </ion-grid>
+
 
     <ion-item>
       <ion-label stacked>Cryptogramme</ion-label>
-      <ion-input type="number"></ion-input>
+      <ion-input [(ngModel)]="cryp" name="cryp" type="number" min="000" max="999"></ion-input>
     </ion-item>
 
-    <button ion-button (click)="sendTransaction(amount)">Payer {{amount}} €</button>
+    <button ion-button (click)="sendTransaction(cardnumber, mounth, year, cryp, amount)">Payer {{amount}} €</button>
 
 
   </ion-list>
diff --git a/src/pages/buy/buy.ts b/src/pages/buy/buy.ts
index 58b2b96..8cefda3 100644
--- a/src/pages/buy/buy.ts
+++ b/src/pages/buy/buy.ts
@@ -23,19 +23,75 @@ export class BuyPage {
     console.log('ionViewDidLoad BuyPage');
   }
 
-  sendTransaction($amount) {
-    //TODO : Contacter l'API et proposer la transaction. L'API répondra true ou False
-    if (true === true) {
-      this.navCtrl.popToRoot();
+  sendTransaction($cardnumber, $month, $year, $cryp, $amount) {
+    if (typeof $cardnumber !== 'undefined' && typeof $month !== 'undefined' && typeof $year !== 'undefined' && typeof $cryp !== 'undefined' && typeof $amount !== 'undefined' ) {
+      if (this.checkFields($cardnumber, $month, $year, $cryp)) {
+        //TODO : Contacter l'API et proposer la transaction. L'API répondra true ou False
+        if (true === true) {
+          this.navCtrl.popToRoot();
+        }
+        else {
+          const alert = this.alertCtrl.create({
+            title: 'Erreur',
+            subTitle: 'La transaction a échoué. Vérifiez les données saisies et réessayez.',
+            buttons: ['OK']
+          });
+          alert.present();
+        }
+      }
     }
     else {
       const alert = this.alertCtrl.create({
-        title: 'Erreur',
-        subTitle: 'La transaction a échoué. Vérifiez les données saisies et réessayez.',
+        title: 'Champs vides',
+        subTitle: 'Merci de remplir tous les champs',
         buttons: ['OK']
       });
       alert.present();
     }
   }
 
+  //Vérification des champs
+  checkFields(cardnumber, month, year, cryp) {
+    if (!this.checkCardInfoIntegrity(12, 19, cardnumber) || !this.checkCardInfoIntegrity(3, 4, cryp) || !this.checkCardInfoValue(0, 9999, cryp)) {
+      const alert = this.alertCtrl.create({
+        title: 'Erreur',
+        subTitle: 'Le numéro de carte bancaire est erroné. Vérifiez les données et recommencez.',
+        buttons: ['OK']
+      });
+      alert.present();
+      return false;
+    }
+    else if (!this.checkCardInfoIntegrity(1, 2, month) || !this.checkCardInfoValue(1, 12, month) || !this.checkCardInfoIntegrity(4, 4, year) || !this.checkCardInfoValue(2018, 2050, year)) {
+      const alert = this.alertCtrl.create({
+        title: 'Erreur',
+        subTitle: 'La date est erronée. Vérifiez les données et recommencez.',
+        buttons: ['OK']
+      });
+      alert.present();
+      return false;
+    }
+    else {
+      return true;
+    }
+  }
+  checkCardInfoIntegrity($min, $max, $number) {
+    $number = parseInt($number);
+    if ($number.length < $min || $number.length > $max) {
+      return false;
+    }
+    else {
+      return true;
+    }
+  }
+
+  checkCardInfoValue($min, $max, $number) {
+    $number = parseInt($number);
+    if ($number < $min || $number > $max) {
+      return false;
+    }
+    else {
+      return true;
+    }
+  }
+
 }
diff --git a/src/pages/home/home.html b/src/pages/home/home.html
index 977b105..775d37e 100644
--- a/src/pages/home/home.html
+++ b/src/pages/home/home.html
@@ -8,9 +8,6 @@
 
   <ion-navbar>
     <ion-title>Mon compte</ion-title>
-    <ion-buttons>
-      <button ion-item (click)="closeConnexion()">Se déconnecter</button>
-    </ion-buttons>
   </ion-navbar>
 
 </ion-header>
@@ -32,6 +29,7 @@
     <button ion-item (click)="changePage('buy')">Acheter de la monnaie locale</button>
     <button ion-item (click)="changePage('send')">Faire un virement</button>
     <button ion-item (click)="changePage('history')">Historique des transactions</button>
+    <button ion-item (click)="closeConnexion()">Se déconnecter</button>
   </ion-buttons>
 
 </ion-content>