Mobile checkout forms
Mobile form recovery FAQ
What should an error message say?
Identify the field and give the buyer a concrete way to correct it, based on what the form accepts.
Should payment fields preserve every value?
Follow the payment provider’s rules for sensitive fields. Preserve other eligible values where the checkout supports it.
What do we need to reproduce a form error?
Bring the affected form, a reproducible validation error and the device or screen size where it occurs.
Questions about your setup?
The merchant and provider retain responsibility for checkout and payment data.