diff --git a/api/client/ajouter.php b/api/client/ajouter.php
index 8234e1c..d414dab 100644
--- a/api/client/ajouter.php
+++ b/api/client/ajouter.php
@@ -32,7 +32,7 @@ if (!$requete->execute()) {
     retour("erreur_bdd", ["message" => $requete->error]);
 }
 $requete->close();
-$id = transaction(1, $_POST["idCarte"], $solde);
+$id = transaction(TRANSACTION_CREATION, $_POST["idCarte"], $solde);
 
 
 retour("ok", ["id" => $id]);
diff --git a/api/client/recharger.php b/api/client/recharger.php
new file mode 100644
index 0000000..d93888b
--- /dev/null
+++ b/api/client/recharger.php
@@ -0,0 +1,39 @@
+<?php
+
+require_once("../commun.php");
+
+verifierDroit(2);
+
+if (!(donne("idCarte") && donne("montant"))) {
+    retour("requete_malformee");
+}
+
+if (!clientExiste(donne("idCarte"))) {
+    retour("client_inconnu");
+}
+
+$montant = floatval($_POST["montant"]);
+
+$requete = $db->prepare("SELECT solde FROM Clients WHERE idCarte=?");
+$requete->bind_param("s", $_POST["idCarte"]);
+$requete->bind_results($soldeAncien);
+if (!$requete->execute()) {
+    retour("erreur_bdd", ["message" => $requete->error]);
+}
+$requete->fetch();
+$requete->close();
+
+$soldeNouveau = $soldeAncien + $montant;
+
+$requete = $db->prepare("UPDATE Clients SET solde=? WHERE idCarte=?");
+$requete->bind_param("ss", $soldeNouveau, $_POST["idCarte"]);
+if (!$requete->execute()) {
+    retour("erreur_bdd", ["message" => $requete->error]);
+}
+$requete->close();
+$id = transaction(TRANSACTION_RECHARGEMENT, $_POST["idCarte"], $montant);
+
+
+retour("ok", ["id" => $id, "montantAncien" => $montantAncien, "montantNouveau" => $montantNouveau]);
+
+?>
diff --git a/api/commun.php b/api/commun.php
index 898e6f4..ea2b113 100644
--- a/api/commun.php
+++ b/api/commun.php
@@ -11,6 +11,11 @@ header('Content-type: application/json'); // Histoire de faire comprendre au cli
 define("JETON_TAILLE", 30); // Taille d'un jeton
 define("JETON_DUREE", 10*60); // Temps de validité du jeton en secondes
 
+define("TRANSACTION_CREATION", 1);
+define("TRANSACTION_RECHARGEMENT", 2);
+define("TRANSACTION_PAIEMENT", 3);
+define("TRANSACTION_VIDANGE", 4);
+
 // Fonctions utiles
 function retour($status, $donnees = array()) { // Renvoie les données passées
     $donnees['status'] = $status;
--
libgit2 0.21.2