diff --git a/RestControllers/GroupsController.php b/RestControllers/GroupsController.php
index 2602957..f98511d 100644
--- a/RestControllers/GroupsController.php
+++ b/RestControllers/GroupsController.php
@@ -260,6 +260,29 @@ class GroupsController {
 		return array("success" => "The response to the invitation was saved!");
 	}
 
+	/**
+	 * Cancel a membership request
+	 * 
+	 * @url POST /groups/cancel_request
+	 */
+	public function cancelRequest(){
+
+		user_login_required();
+
+		//Get the ID of the group (with basic access)
+		$groupID = getPostGroupIdWithAccess("id", GroupInfo::LIMITED_ACCESS);
+
+		//Check if the user has created a membership request
+		if(components()->groups->getMembershipLevel(userID, $groupID) != GroupMember::PENDING)
+			Rest_fatal_error(401, "You did not send a membership request to this group!");
+		
+		//Try to cancel membership request
+		if(!components()->groups->cancelRequest(userID, $groupID))
+			Rest_fatal_error(500, "An error occurred while trying to cancel membership request!");
+		
+		return array("success" => "The request has been successfully cancelled!");
+	}
+
 	/**
 	 * Parse a GroupInfo object into an array for the API
 	 * 
diff --git a/classes/components/GroupsComponent.php b/classes/components/GroupsComponent.php
index 892f632..e9ff1ea 100644
--- a/classes/components/GroupsComponent.php
+++ b/classes/components/GroupsComponent.php
@@ -214,6 +214,22 @@ class GroupsComponent {
 			array($groupID, $userID)) > 0;
 	}
 
+	/**
+	 * Delete a user membership with a precise status
+	 * 
+	 * @param int $userID Target user ID
+	 * @param int $groupID Target group
+	 * @param int $status The status of the membership to delete
+	 * @return bool TRUE for a success / FALSE else
+	 */
+	private function deleteMembershipWithStatus(int $userID, int $groupID, int $status) : bool {
+		return db()->deleteEntry(
+			self::GROUPS_MEMBERS_TABLE,
+			"groups_id = ? AND user_id = ? AND level = ?",
+			array($groupID, $userID, $status)
+		);
+	}
+
 	/**
 	 * Check whether a user received an invitation or not
 	 * 
@@ -255,11 +271,18 @@ class GroupsComponent {
 	 * @return bool TRUE for a success / FALSE else
 	 */
 	public function deleteInvitation(int $userID, int $groupID) : bool {
-		return db()->deleteEntry(
-			self::GROUPS_MEMBERS_TABLE,
-			"groups_id = ? AND user_id = ? AND level = ?",
-			array($groupID, $userID, GroupMember::INVITED)
-		);
+		return $this->deleteMembershipWithStatus($userID, $groupID, GroupMember::INVITED);
+	}
+
+	/**
+	 * Cancel a membership request
+	 * 
+	 * @param int $userID The ID of the target user
+	 * @param int $groupID The ID of the related group
+	 * @return bool TRUE for a success / FALSE else
+	 */
+	public function cancelRequest(int $userID, int $groupID) : bool {
+		return $this->deleteMembershipWithStatus($userID, $groupID, GroupMember::PENDING);
 	}
 
 	/**