Your confirmation e-mail is a form of receipt that you can use. You can search your inbox for "SeatGeek" in order to pull these e-mails up. You can also view your past transactions by navigating to the 'History Tab' in SeatGeek.
If you cannot locate your confirmation e-mail please feel free to reach out to us at firstname.lastname@example.org and request a copy of your receipt from us.
Below is what your confirmation e-mail receipt looks like: