Provide Clear Error Messaging and Resolution Paths
Important: PayPal supports these Checkout integrations:
checkout.js. Valid before February 2019. Customers who use
checkout.jscan access reference and support material in this integration guide. However, PayPal does not update this integration with new features and enhancements.
Capture more sales and help customers quickly resolve issues with clear error messaging that explains the reason for a transaction failure.
Ensure that decline messaging uses our funding failure redirect feature to reduce declines and leverage the available funding sources in the PayPal wallet.
Learn more about HTTP status codes.