diff --git a/src/controllers/GroupsController.ts b/src/controllers/GroupsController.ts
index a30f441..ddb70a0 100644
--- a/src/controllers/GroupsController.ts
+++ b/src/controllers/GroupsController.ts
@@ -368,6 +368,25 @@ export class GroupsController {
 		h.success("The membership has been successfully saved!");
 	}
 
+	/**
+	 * Cancel a membership request
+	 * 
+	 * @param h Request handler
+	 */
+	public static async CancelRequest(h: RequestHandler) {
+		const groupID = await h.postGroupIDWithAccess("id", GroupsAccessLevel.LIMITED_ACCESS);
+
+		if(await GroupsHelper.GetMembershipLevel(groupID, h.getUserId()) != GroupMembershipLevels.PENDING)
+			h.error(401, "You did not send a membership request to this group!");
+		
+		// Delete membership of the user
+		await GroupsHelper.DeleteMember(groupID, h.getUserId());
+
+		// TODO : delete any potential notificaton
+
+		h.success("The request has been successfully cancelled!");
+	}
+
 	/**
 	 * Turn a GroupInfo object into a valid API object
 	 * 
diff --git a/src/controllers/Routes.ts b/src/controllers/Routes.ts
index a100761..ac2e489 100644
--- a/src/controllers/Routes.ts
+++ b/src/controllers/Routes.ts
@@ -112,4 +112,6 @@ export const Routes : Route[] = [
 	{path: "/groups/respond_invitation", cb: (h) => GroupsController.RespondInvitation(h)},
 
 	{path: "/groups/send_request", cb: (h) => GroupsController.SendRequest(h)},
+
+	{path: "/groups/cancel_request", cb: (h) => GroupsController.CancelRequest(h)},
 ]
\ No newline at end of file