Whatnot

HackerOne live web

Bug bounty program on HackerOne. Official listing: https://hackerone.com/whatnot. Scope and rules are controlled by the program — always verify against the official listing before testing.

Max bounty
$10K
Starts
2021-06-29
In-scope assets
5
Last updated
2026-06-16

In-scope assets

TypeAssetDetail
web *.whatnot.com
web api.whatnot.com
web auction-service.whatnot.com
web live-service.whatnot.com
web www.whatnot.com

Watching Whatnot? BountyHunt monitors every in-scope repo and tells you the moment a commit, release, or scope change lands — in the app, by webhook, or straight to your agent over MCP.

Track this program