If you want to stop receiving gifts without permanently deleting your campaign, you can unpublish it. Unpublishing removes your campaign from public view and puts a pause on receiving new donations. You can always return later and re-publish it when you're ready.
Follow these steps to unpublish your campaign:
Once unpublished, your campaign won’t be publicly visible and will no longer be able to accept donations.
Need to visualize it? Check out the video below for a step-by-step walk through of the process: