Manipulate ranking, reviews or candidate interest — including coordinated accounts, paid signal, or asking people to express interest in exchange for anything.
Scrape beyond the published API limits, probe or bypass rate limits, or use someone else's API credentials.
Harass people, impersonate a builder, or submit someone else's work as your own.
Discounted signal, suspension of a listing or an account, and in serious cases removal and reporting to the relevant authority. See Enforcement and appeals.