diff --git a/src/controllers/groups_controller.rs b/src/controllers/groups_controller.rs
index 82e9aaa..9df8bfc 100644
--- a/src/controllers/groups_controller.rs
+++ b/src/controllers/groups_controller.rs
@@ -226,4 +226,19 @@ pub fn send_request(r: &mut HttpRequestHandler) -> RequestResult {
     // TODO : Send a notification, if required
 
     r.success("The membership has been successfully saved!")
+}
+
+/// Cancel a group membership request
+pub fn cancel_request(r: &mut HttpRequestHandler) -> RequestResult {
+    let group_id = r.post_group_id_with_access("id", GroupAccessLevel::LIMITED_ACCESS)?;
+
+    if groups_helper::get_membership_level(&group_id, r.user_id_opt())? != GroupMembershipLevel::PENDING {
+        r.forbidden("You did not send a membership request to this group!".to_string())?;
+    }
+
+    groups_helper::delete_member(&group_id, &r.user_id()?)?;
+
+    // TODO : delete any related notification
+
+    r.success("The request has been successfully cancelled!")
 }
\ No newline at end of file
diff --git a/src/controllers/routes.rs b/src/controllers/routes.rs
index 365f9f9..fb24736 100644
--- a/src/controllers/routes.rs
+++ b/src/controllers/routes.rs
@@ -156,6 +156,8 @@ pub fn get_routes() -> Vec<Route> {
 
         Route::post("/groups/send_request", Box::new(groups_controller::send_request)),
 
+        Route::post("/groups/cancel_request", Box::new(groups_controller::cancel_request)),
+
 
         // Virtual directory controller
         Route::post("/user/findbyfolder", Box::new(virtual_directory_controller::find_user)),