@Detected You have used the Get action and are adding your body to the headers. You need to use POST request - you can change the method to DELETE in the Post action
This will fall in the same lines at the LinesFromFile but instead of Use Only Once, you will use them Unlimited if they are changing every X minutes. You can also add a WAIT to the usage of milliseconds after adding the resource. 300000 = 5 minutes
