Conditional checkout blocks

Hi all,

We are using a checkout block from or warehouse partner for presenting shipping options and prices. If there is an error on there end the customer cannot proceed. Is there a way to fall back on the Shopify shipping options if this happens?

Thx!

In two ways we can implement validation to prevent customer from purchasing.

Blocking checkout progress behavior doesn't apply to express checkout options, such as Shop Pay, Google Pay, and Apple Pay. When using first checkout ui extension.