Read amounts from the
*_money fields in this command’s output, such as
total_amount_money, items[].price_money and
agent_spt_params.max_amount_money. Each carries value in minor units with
its decimal_places: divide value by 10 ** decimal_places, or show
display. To mint a Shared Payment Token, pass
agent_spt_params.max_amount_money.value unchanged. The older total_amount
and items[].price are deprecated and hold major units; the deprecated
agent_spt_params.max_amount holds minor units. See Money & prices.checkout_url is what a human opens in a browser to pay, and agent_spt_params (max amount, currency, profile) is what an agent uses to mint a Shared Payment Token and pay programmatically via agent-pay submit.