Why did I get API error code 10754?

The payment was declined. Check the following details and try the payment again:

• Billing address for the card (AVS).
• Card security code (CVV).

If the billing address and the security code are correct, try using another card.

PayPal NVP and SOAP API Reference Guides.

See the Developer Portal for a complete list of NVP/SOAP API error codes.

Why was my customer’s credit card declined?