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Last updated: June 12, 2026
Returned from the following PayPal NVP/SOAP APIs:
SetExpressCheckoutGetExpressCheckoutDetailsDoExpressCheckoutPaymentDoUATPExpressCheckoutPaymentGetBillingAgreementCustomerDetailsCreateBillingAgreementThe Express Checkout token ("EC-" token) value passed in the NVP/SOAP API request was not recognized by PayPal. This can happen if:
As a result, the API request fails.
For Billing Agreement-related API calls—such as GetBillingAgreementCustomerDetails or CreateBillingAgreement—this error indicates an invalid Billing Agreement creation ID ("BA-" ID).
The payment is not initiated, or the Billing Agreement is not created as the API call failed. As the transaction doesn't go through, the customer sees an impact, and they can drop-off from the checkout journey. This can lead to a poor customer experience, conversion rate decline, and potentially lost sales if the issue is not resolved promptly.
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.