diff --git a/vip-core/src/main/java/fr/insalyon/creatis/vip/core/models/ActivationForm.java b/vip-core/src/main/java/fr/insalyon/creatis/vip/core/models/ActivationForm.java
new file mode 100644
index 000000000..5b537d46b
--- /dev/null
+++ b/vip-core/src/main/java/fr/insalyon/creatis/vip/core/models/ActivationForm.java
@@ -0,0 +1,28 @@
+package fr.insalyon.creatis.vip.core.models;
+
+import com.fasterxml.jackson.annotation.JsonView;
+import com.google.gwt.user.client.rpc.IsSerializable;
+import fr.insalyon.creatis.vip.core.server.inter.DataViews;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+
+@JsonView(DataViews.User.class)
+public class ActivationForm implements IsSerializable {
+
+    private String code;
+
+    public ActivationForm() {
+    }
+
+    public ActivationForm(String code) {
+        this.code = code;
+    }
+
+    public String getCode() {
+        return code;
+    }
+
+    public void setCode(String code) {
+        this.code = code;
+    }
+}
diff --git a/vip-core/src/main/java/fr/insalyon/creatis/vip/core/server/business/SessionBusiness.java b/vip-core/src/main/java/fr/insalyon/creatis/vip/core/server/business/SessionBusiness.java
index 5616b4f94..31fddc364 100644
--- a/vip-core/src/main/java/fr/insalyon/creatis/vip/core/server/business/SessionBusiness.java
+++ b/vip-core/src/main/java/fr/insalyon/creatis/vip/core/server/business/SessionBusiness.java
@@ -62,6 +62,7 @@ public Session getSession(User user) {
         session.id = user.getSession();
         session.email = user.getEmail();
         session.userlevel = user.getLevel();
+        session.confirmed = user.isConfirmed();
         return session;
     }
 
diff --git a/vip-core/src/main/java/fr/insalyon/creatis/vip/core/server/controller/UserController.java b/vip-core/src/main/java/fr/insalyon/creatis/vip/core/server/controller/UserController.java
index 40aaaf900..a2c87c1c7 100644
--- a/vip-core/src/main/java/fr/insalyon/creatis/vip/core/server/controller/UserController.java
+++ b/vip-core/src/main/java/fr/insalyon/creatis/vip/core/server/controller/UserController.java
@@ -16,6 +16,7 @@
 
 import fr.insalyon.creatis.vip.core.client.DefaultError;
 import fr.insalyon.creatis.vip.core.client.VipException;
+import fr.insalyon.creatis.vip.core.models.ActivationForm;
 import fr.insalyon.creatis.vip.core.models.User;
 import fr.insalyon.creatis.vip.core.models.UserAndPassword;
 import fr.insalyon.creatis.vip.core.server.business.AuthenticationBusiness;
@@ -97,4 +98,9 @@ public User create(@RequestBody @Valid UserAndPassword form) throws VipException
         logger.info("Signup completed: email='{}', generatedId='{}'", createdUser.getEmail(), createdUser.getId());
         return createdUser;
     }
-}
\ No newline at end of file
+
+    @PutMapping(value = "{id}/activate")
+    public void activate(@PathVariable String id, @RequestBody @Valid ActivationForm form) throws VipException {
+        authenticationBusiness.activate(id, form.getCode());
+    }
+}
diff --git a/vip-core/src/main/java/fr/insalyon/creatis/vip/core/server/model/Session.java b/vip-core/src/main/java/fr/insalyon/creatis/vip/core/server/model/Session.java
index 3459a9117..7966de3b4 100644
--- a/vip-core/src/main/java/fr/insalyon/creatis/vip/core/server/model/Session.java
+++ b/vip-core/src/main/java/fr/insalyon/creatis/vip/core/server/model/Session.java
@@ -12,4 +12,5 @@ public class Session {
     public String email;
     public String password;
     public UserLevel userlevel;
+    public Boolean confirmed;
 }