{"endpoint":"https://prestashop.justidea.dev/v1/cart","method":"POST","authentication":"none","request":{"items":[{"id":"product id, or a gid:// identifier from any surface of this API","variant":"optional combination id; the default combination is used when omitted","quantity":"integer, at least 1"}]},"limits":{"max_lines":20,"max_quantity_per_line":100,"link_lifetime_seconds":86400},"returns":"A signed checkout URL for a person to open. No order is placed by this call."}