Address Verification for card processing (AVS)
AVS compares the numeric parts of a billing address — house number and postcode — against what the card issuer holds. Here's what that catches, and what it doesn't.
What is Address Verification in Card Processing?
Address Verification, also known as the Address Verification Service (AVS), is a security measure used during card payment transactions. Its purpose is to reduce fraud by ensuring the billing address provided by the cardholder matches the address held by the card-issuing bank.
When processing card payments, AVS compares the numeric parts of the address (house or apartment numbers and postal/ZIP codes) entered by the customer against the records maintained by the issuing bank. If these details match, the transaction receives an AVS approval, reducing the likelihood of fraudulent activity.
AVS helps merchants:
- Detect suspicious transactions.
- Reduce chargebacks.
- Comply with PCI DSS security standards.
- Lower risk and potential financial losses from fraud.
How AVS Works:
- Customer enters their card information and billing address at checkout.
- The merchant sends these details along with the payment request.
- The payment gateway forwards the request to the issuing bank.
- The issuing bank verifies the provided address against its records.
- A response code is returned indicating:
- Full Match
- Partial Match
- No Match
- The merchant then decides whether to accept or reject the transaction based on their own fraud prevention rules.
Using AVS adds an extra layer of protection, ensuring safer transactions for both customers and merchants.


More in Compliance
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Does using Paytia combat fraud?
Yes. Card details never enter your environment — they go from your customer's keypad straight to the gateway, so there's nothing on your side to steal or misuse.
How does Paytia help us with our Payment Card Industry Data Security Standard (PCI-DSS) compliance?
We're a PCI-DSS Level 1 service provider, so your business never accesses, stores or transmits card details on a phone payment. That takes telephone payments out of your compliance scope.
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Strong Customer Authentication and phone payments: FAQs
What PSD2 and SCA actually mean for card-not-present phone payments, answered as questions rather than as regulation.
What is DTMF Suppression?
DTMF suppression keeps the audio live so agent and customer can keep talking, but replaces each card keypress with a flat tone. We add on-screen prompts so agents need less training.
Still need help?
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