Am I allowed to fire DoExpressCheckoutPayment automatically for PayPal Express Checkout? -


my client wants automatically return user paypal during express checkout process, clicking "confirm , pay" button @ review stage if transaction price has not changed during process.

i can this, wondering if against paypal terms of service seems me used trick user paying more expecting.

i have searched on paypal site , had google, found nothing saying against terms. else or know whether it's acceptable practise?

you mean want change amount in express api call against amount specified in set express api call . yes can change amount in express api call because of time merchant needs shipping address information buyer's paypal account. , once shipping address via express checkout api call ,shipping fee added authorized amount , express api called .


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