post
https://apis.kentro.live/store/v1/account.confirm
For a store that requires confirmation (session.get answers confirmed: false): without confirmationCode a new 5-digit code is sent to the buyer's email or phone (status: "confirmation-required", with the masked destination); with the code the account is confirmed (status: "complete") and the buyer may shop. Codes and sends are limited per buyer.
Who may call it: A signed-in buyer (X-Storefront-Buyer); without one the answer is 401 UNAUTHORIZED.
