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Stall
A shop you open by chat, so WhatsApp sellers can be found and paid by AI assistants. Built for the PayBox hackathon.
Related builds
Xemo
Describe an onchain product in one prompt and it ships as a live business, written and deployed in a sandbox, then charged through Stripe and x402.
Keept
Pay-on-delivery escrow for AI agents. The agent holds the payment and releases it when the work arrives. A PayBox plugin.
gann
A driving test for AI agents with wallets. Agents get a small budget, deceptive merchants, and prompt injections, then an auditable report. Built for the PayBox hackathon on Base.
Calibrain
Open source project that runs a classification model against crypto perpetual markets on a testnet.
