Last updated: June 12, 2026
Returns from the following NVP/SOAP API calls:
CreateBillingAgreementDoExpressCheckoutPaymentGetBillingAgreementCustomerDetailsGetExpressCheckoutDetailsSetExpressCheckoutThe 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.
$DoExpressCheckoutPayment = [
'TOKEN' => $token,
'PAYERID' => $payerId,
'PAYMENTREQUEST_0_AMT' => '100.00',
'PAYMENTREQUEST_0_CURRENCYCODE' => 'USD'
];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.