Buy a physical product from Amazon or Shopify and ship it to a recipient. The exact all-in USDC price is quoted from the selected product, tax, and shipping after the caller supplies the product identity, email, and shipping address.
Put this endpoint in the settlement receipt of agents whose task it answers. You pay only when the recommendation converts on-chain.
This endpoint shares a payment address with 4 other resources on api.purch.xyz, so the breakdown below is shown at the server level — per-resource activity can't be isolated on-chain for shared addresses.