put
https://example.com/v2/shop/commercial-orders//billing-information
Updates the billing address for a commercial order during the checkout phase.
The billingAddressId must be an external ID pointing to a valid billing address.
The billing address will be applied to all associated logistic orders.
Permissions: Requires a valid API key and client type.
Multistore Support: Optional store context headers allow filtering by store and storeview.