How promo codes work

A promo code lowers the price of a listing you sell. The discount comes out of your share, and Thumper's 15% fee is taken from the discounted price.

4 min read, updated Oct 28, 2026

The rules

  • Codes work only on listings you sell. A buyer can use one code per purchase, and codes don't combine.
  • You set the budget you fund and how many times a code can be used, and can allow one use per buyer.
  • When the budget runs out the code stops.
  • A code applies to the price of the listing it was made for, never to a balance, gift cards or compute.
  • Every code starts with your seller name. A retired code can't be resumed, and its name is never used again.

An example

List price$9.00
STUDIO10 (10% off)−$0.90
Buyer pays$8.10
Thumper fee (15%)−$1.21
You receive$6.89

The fee is rounded down to the cent, so rounding never comes out of your share.

A sale with a code is held 30 days like any sale. A refund takes back the whole sale, not just the discount.

Seller promotion terms

Making a code, or raising a budget, asks you to agree to the seller promotion terms for that version.

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