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Last updated: June 12, 2026
Returned from the following NVP/SOAP API calls:
DoExpressCheckoutPaymentGetExpressCheckoutDetailsAn Express Checkout payment failed because the buyer was not directed to PayPal and did not authorize the transaction.
The payment process is halted, preventing the customer from finalizing their purchase. This can lead to a poor customer experience and potentially lost sales if the issue is not resolved promptly.
SetExpressCheckout to send buyers to the PayPal login page. After logging in, they see the transaction details on the payment review page, where they must approve the payment.The NVP/SOAP API integration method is deprecated. You can find more information about our latest integrations from the following resources:
You can reach out for support at paypal-techsupport.com.