URL the provider redirects to when checkout is canceled.
OptionalclientApp-owned reference copied into the provider session.
OptionalcustomerExisting provider customer ID, when known.
OptionalidempotencyProvider idempotency key for this external call.
Line items to include in checkout.
OptionalmetadataProvider metadata.
One-time payment or subscription checkout.
URL the provider redirects to after successful checkout.
Input for creating a hosted checkout session.