PayPal TimeOut - DoExpressCheckoutPayment -

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we using paypal on faily large website, integration went code helpers integration wizard. had processed number of transactions in first day of putting live small percentage (5%) had there transaction processed paypal our system recieved timeout. believe happens @ point submit "doexpresscheckoutpayment" method. , because of system cannot tell if payment has been complete or not.

this real tough one, website has live currency need update paypal taking money system not updating not acceptable.

i'm interested know if common problem , how should go handeling it. i'm doing best re-create issue cannot @ time.

this looks similar problem - https://www.x.com/thread/45136

any appriciated!

add retry logic application. common way of handling problem.


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