Beware what you post. All forms send data to https://dump-truck.appspot.com/post.html. That website is managed by payments-autofill-team@ and ignores all data.
This page: https://goo.gl/B6Xs1E
Profile Autofill
Fill Form (Simpsons)
Fill Form (Superman)
Fill Form (President)
Basic form key/value Autocomplete (unstructured data)
Sparta
Simpsons
Superman
Basic form key/value Autocomplete (autocomplete="off")
Sparta
Simpsons
Superman
Credit Card autofill
CC Fill Form (Simpsons)
CC Fill Form (Superman)
CC Fill Form (President)
Updates CVC MaxLength
When the credit card number is changed, a javascript function changes the
maxlength
attribute of the CVC input field from 2 to 4.
Username/Password
NP Fill Form (Simpsons)
NP Fill Form (Superman)
NP Fill Form (President)
autocomplete="off" form
Shipping and Billing sections
IBAN
IBAN Fill Form
Loyalty card
Fill loyalty number
RTL <-> LTR