Add fees for AVS

AVS fields are basic fraud control tools and help lower CNP transaction processing fees (see CNP transaction fee and AVS).
But keep in mind that there is an add cost associated with use of AVS => use these fields wisely.
If your transaction amounts are low enough, use of AVS can in fact result in much higher fees.
Estimate add cost associated with use of AVS vs. interchange fee savings with use of AVS.
Refer to your merchant account pricing or contact your merchant service provider to confirm your specific AVS add fee and your fee schedule to define your optimal processing logic.

CNP transaction fees and AVS

Various criteriae affects processing fees for CNP (Card Not Present) transactions.
Key one is AVS (Address Verification Service) Zip code. There was several AVS fields. From a fee standpoint, only Zip code matters. For lower fees a ZIP code must be included in the authorization request. Interestingly, ZIP code must be present but it does not need to match ZIP code on card holder's account.
Refer to your merchant account pricing or contact your merchant service provider to confirm your specific fee schedule.