DeveloperBuy or book
UCP Checkout capability. Update an existing checkout session's line items (full replacement). Returns the recomputed session with status, totals, links, and a ucp metadata block.
UCP Checkout capability. Update an existing checkout session's line items (full replacement). Returns the recomputed session with status, totals, links, and a ucp metadata block. Use it on Alpic with an agent. It runs in the browser on the website and needs no package install.
Open the shop.alpic.ai website and ask your browser agent to use update_checkoutUse the update_checkout tool on shop.alpic.ai with meta: <object>, id: <string>, line_items: <array>, buyer: <object>, context: <object>. Return the structured result and cite the source page.meta object UCP request metadata (platform profile advertisement).id string Checkout session id to update.line_items array buyer object context object Verify the live listing at the source before a production call. Fields marked as a starter contract may differ from what the site expects.