I see. I thought I was able to transfer the card balances to my main account. Am I able to combine the cards to cover one purchase? Thanks.
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Hi, to check how to change your IPN URL you can check our guide on that. Not sure if you can change the IPN URL on an already active profile.
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You may want to visit the Merchant Support Community for assistance, there's other developers and PayPal Techs there that may be able to help.
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