JavaScript SDK


The JavaScript SDK displays relevant, PayPal-supported payment methods on your page, which gives your buyers a personalized and streamlined checkout experience.


Customize your integration by passing query and script parameters in the JavaScript SDK script. These parameters help PayPal decide the optimal funding sources and buttons to show to your buyers.


The complete JavaScript SDK reference for the objects and methods.

Performance optimization

Optimize loading the JavaScript SDK and rendering the payment buttons for the best performance.