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New CheckoutBranding API properties


We released new checkout branding API properties to make it possible to customize more of checkout’s look and feel. These consist of API-only capabilities that can style interactive elements like buttons and form inputs, as well as more typography controls on heading styles and font styles.

These customizations are automatically inherited by checkout UI extensions and include:

  • Font properties for all font surfaces like case and kerning
  • Form controls such as corner radius, border presence, label position and label typography
  • Button styles such as padding, corner radius and button typography

For more information, view the checkout branding API reference.