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Home/ Questions/Q 499171
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Editorial Team
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Editorial Team
Asked: May 13, 20262026-05-13T05:57:30+00:00 2026-05-13T05:57:30+00:00

I’m building a marketplace application that uses PayPal Express. I’ve got a form for

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I’m building a marketplace application that uses PayPal Express. I’ve got a form for sellers to input their PayPal API credentials, but I need a way to validate them by making some sort of call to PayPal.

I’m using the PaypalExpressGateway in ActiveMerchant, and I don’t see anything other than the standard purchase controls. Is there any sort of null-operation that can be used?

Any help would be greatly appreciated!

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  1. Editorial Team
    Editorial Team
    2026-05-13T05:57:30+00:00Added an answer on May 13, 2026 at 5:57 am

    For security reasons there isn’t a way to check if the email is a valid paypal account. You can always make a small transaction and then void it if account validity is really required.

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