diff --git a/RestControllers/GroupsController.php b/RestControllers/GroupsController.php
index f97c509..eb703f3 100644
--- a/RestControllers/GroupsController.php
+++ b/RestControllers/GroupsController.php
@@ -382,6 +382,36 @@ class GroupsController {
 		return array("success" => "The membership has been successfully deleted!");
 	}
 
+	/**
+	 * Respond to a membership request
+	 * 
+	 * @url POST /groups/respond_request
+	 */
+	public function respondRequest() : array {
+
+		user_login_required();
+
+		//Get the ID of the target group
+		$groupID = getPostGroupIdWithAccess("groupID", GroupInfo::MODERATOR_ACCESS);
+
+		//Get user ID
+		$userID = getPostUserID("userID");
+
+		//Get the response
+		$accept = postBool("accept");
+
+		//Check if the user membership is really pending or not
+		if(components()->groups->getMembershipLevel($userID, $groupID) != GroupMember::PENDING)
+			Rest_fatal_error(401, "This user has not requested a membership in this group!");
+		
+		//Respond to the request
+		if(!components()->groups->respondRequest($userID, $groupID, $accept))
+			Rest_fatal_error(500, "Could not respond to the membership request!");
+		
+		//Success
+		return array("success" => "The response to the request has been successfully saved!");
+	}
+
 	/**
 	 * Parse a GroupInfo object into an array for the API
 	 * 
diff --git a/classes/components/GroupsComponent.php b/classes/components/GroupsComponent.php
index cc88a84..1c4a717 100644
--- a/classes/components/GroupsComponent.php
+++ b/classes/components/GroupsComponent.php
@@ -296,6 +296,24 @@ class GroupsComponent {
 		return $this->updateMembershipLevel($userID, $groupID, GroupMember::MEMBER);
 	}
 
+	/**
+	 * Respond to a membership request
+	 * 
+	 * @param int $userID The ID of the target user
+	 * @param int $groupID The ID of the related group
+	 * @param bool $accept Set whether the request was accepted or not
+	 * @return bool TRUE for a success / FALSE else
+	 */
+	public function respondRequest(int $userID, int $groupID, bool $accept) : bool {
+
+		//If the user reject the invitation, delete it
+		if(!$accept)
+			return $this->deleteRequest($userID, $groupID);
+
+		//Upgrade the user as member
+		return $this->updateMembershipLevel($userID, $groupID, GroupMember::MEMBER);
+	}
+
 	/**
 	 * Delete a membership invitation
 	 * 
@@ -307,6 +325,17 @@ class GroupsComponent {
 		return $this->deleteMembershipWithStatus($userID, $groupID, GroupMember::INVITED);
 	}
 
+	/**
+	 * Delete 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 deleteRequest(int $userID, int $groupID) : bool {
+		return $this->deleteMembershipWithStatus($userID, $groupID, GroupMember::PENDING);
+	}
+
 	/**
 	 * Cancel a membership request
 	 *