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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