Repeatable sessions
Checkout creation and completion can be retried with stable idempotency keys.
Shop tools for product data, checkout, payments, and order updates.
UCP and ACP checkout with repeatable sessions, hosted approval, payment proof, and a stable order flow.
Checkout creation and completion can be retried with stable idempotency keys.
When approval is required, the buyer receives an approval URL before completion can continue.
Completed sessions expose approval IDs and protocol metadata for auditability.