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How to upgrade your PayPal checkout integration JavaScript developer?
Before you start the upgrade, understand key concepts of the PayPal JavaScript SDK flow: To render the PayPal button, you must use the PayPal JavaScript SDK rather than a static image. The PayPal Checkout flow now launches in a pop-up window rather than a full-page redirect.
What to do if your checkout fails on PayPal?
Pass https://www.paypal.com/checkoutnow/error as a placeholder value for these keys. To handle transaction success or failure, use onApprove, onCancel, and onError. To learn how to customize the intent, currency, commit, vault and locale values, see Customize PayPal JavaScript SDK script.
What should I do if my payment was declined by PayPal?
A payment may be declined for several reasons. If your payment was declined, you may need to: Confirm the email address associated with PayPal. Update the expiration date or billing address associated with your credit or debit card.
How to set up standard checkout integration with PayPal?
Pass the style.fundingicons option in the paypal.Button.render () call. The card buttons display automatically in the default integration. See Set up standard payments. Pass the funding.allowed option in the paypal.Button.render () call. PayPal automatically decides on the optimal buttons to show to your buyers.
Is there a JavaScript SDK for PayPal checkout?
Important: PayPal supports these Checkout integrations: Smart Payment Buttons, which use the PayPal JavaScript SDK. Valid from February 2019 for new integrations. Checkout with checkout.js. Valid before February 2019. Customers who use checkout.js can access reference and support material in this Checkout guide.
How does the PayPal checkout flow work now?
The PayPal Checkout flow now launches in a pop-up window rather than a full-page redirect. After the buyer authorizes the transaction, the PayPal button calls your JavaScript callback rather than redirecting the buyer to a return URL.
When do I need to update PayPal checkout.js?
Valid before February 2019. Customers who use checkout.js can access reference and support material in this Checkout guide. However, PayPal does not update checkout.js with new features and enhancements.