When to step-up your Google Pay transactions as a PSP- Google Developers Blog

What this post added

This post introduces the concept of step-up authentication for Google Pay transactions, explaining its purpose in reducing fraud and chargebacks. It details how to determine if step-up is needed by examining the Google Pay API response and the `assuranceDetails` object (`cardHolderAuthenticated` and `accountVerified` properties). It also explains the difference between `PAN_ONLY` and `CRYPTOGRAM_3DS` authentication methods and provides guidance on when to step-up transactions based on these details.