A hosted checkout surface an agent can embed via postMessage / iframe.
Embedded checkout is the bridge for stores that keep payment on their own surface while still serving agent-initiated sessions.
We verify the Embedded Checkout Protocol handshake requirements: postMessage support and CSP frame-ancestors configuration.
Does your store declare the Embedded Checkout capability? Run a free scan to see your UCP manifest, capability declarations, and readiness grade in about a minute.
Scan your store