1. Collect a card
Test card: Visa 4242 4242 4242 4242, any future expiry, any name.
This page is the merchant. The card fields below live in the vault's frame, served from frames.vaultaire-test.dev.dev.sparkinfra.net. This page's own code never sees the card number; it gets a token and the last four digits.
Test card: Visa 4242 4242 4242 4242, any future expiry, any name.