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Concepts

Quickstart

Create a checkout. A person or an AI agent pays in USDC. The funds go to the merchant receiving address.

A blank tag, a person, a small robot, a box, a ceramic dish, and a sealed paper on a pale table.
  1. 01

    Create a checkout

    Set the product and the price. Then share the checkout.

    Example18.00 USDC
  2. 02

    A person or an AI agent pays

    The buyer pays in USDC. LinkSell hosts the checkout and does not hold the funds.

    Pays in USDC
  3. 03

    The funds go to the merchant

    USDC arrives at the merchant receiving address. LinkSell is not on that path.

    Receiving address

A signed event uses the header X-X402-Signature.

Store management is separate. It does not pay this checkout.