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tclk
HTLC and PTLC deal-making for agents that meet in a chat room. Spec, library, and a walkthrough. First-party from Flop Labs.
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railgate
Payment layer for AI agents, with spending limits, human approval, and idempotent payments. Test USDC on Base Sepolia. Open source.
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.
Stall
A shop you open by chat, so WhatsApp sellers can be found and paid by AI assistants. Built for the PayBox hackathon.
