Radial Integration | 2016
The payment processor's Address Verification System (AVS) validates address information in a credit card transaction and sends a response code that indicates the results of the validation check. It is typically considered a significant fraud risk to accept an order if the AVS returns a validation failure code.
| 
                     Response Code  | 
                
                     Description  | 
                
                     Action  | 
            
|---|---|---|
| 
                     A  | 
                
                     Street match, post code no match  | 
                
                     Good, send order  | 
            
| 
                     B  | 
                
                     Street match, post code invalid format (international)  | 
                
                     Good, send order  | 
            
| 
                     C  | 
                
                     Street invalid format, post code invalid format (international)  | 
                
                     Accept order – client should have format checks  | 
            
| 
                     D  | 
                
                     Street match, post code match (international)  | 
                
                     Good, send order  | 
            
| 
                     E  | 
                
                     AVS error (returned for any unrecognized authorizer codes)  | 
                
                     Accept order – system issue  | 
            
| 
                     F  | 
                
                     Street match, post code match (UK only)  | 
                
                     Good, send order  | 
            
| 
                     G  | 
                
                     AVS information not available or non-AVS participant (international)  | 
                
                     Accept order  | 
            
| 
                     I  | 
                
                     AVS not performed (international)  | 
                
                     Accept order – system issue  | 
            
| 
                     M  | 
                
                     Street match, post code match (international)  | 
                
                     Good, send order  | 
            
| 
                     N  | 
                
                     Street no match, post code no match  | 
                
                     Consumer fix required, resend  | 
            
| 
                     P  | 
                
                     Street invalid format, post code match (international)  | 
                
                     Good, send order  | 
            
| 
                     R  | 
                
                     Retry, system unavailable or timeout  | 
                
                     Accept order – system issue  | 
            
| 
                     S  | 
                
                     AVS not supported  | 
                
                     Accept order – system issue  | 
            
| 
                     T  | 
                
                     Street no match, post code match  | 
                
                     Good, send order  | 
            
| 
                     U  | 
                
                     AVS validation unavailable  | 
                
                     Accept order – system issue  | 
            
| 
                     W  | 
                
                     Street no match, post code match  | 
                
                     Good, send order  | 
            
| 
                     X  | 
                
                     Street match, 9-digit post code match  | 
                
                     Good, send order  | 
            
| 
                     Y  | 
                
                     Street match, 5-digit post code match  | 
                
                     Good, send order  | 
            
| 
                     Z  | 
                
                     Street no match, 5-digit post code match  | 
                
                     Good, send order  | 
            
| 
                     AD  | 
                
                     Card member name no match, street no match, post code match (AMEX only)  | 
                
                     Good, send order  | 
            
| 
                     AE  | 
                
                     Card member name no match, street match, post code match (AMEX only)  | 
                
                     Good, send order  | 
            
| 
                     AF  | 
                
                     Card member name no match, street match, post code no match (AMEX only)  | 
                
                     Good, send order  | 
            
| 
                     AK  | 
                
                     Card member name match, street no match, post code no match (AMEX only)  | 
                
                     Good, send order  | 
            
| 
                     AL  | 
                
                     Card member name match, street no match, post code match (AMEX only)  | 
                
                     Good, send order  | 
            
| 
                     AM  | 
                
                     Card member name match, street match, post code match (AMEX only)  | 
                
                     Good, send order  | 
            
| 
                     AO  | 
                
                     Card member name match, street match, post code no match (AMEX only)  | 
                
                     Good, send order  | 
            
| 
                     AW  | 
                
                     Card member name no match, street no match, post code no match (AMEX only)  | 
                
                     Consumer fix required, resend  | 
            
| 
                     0  | 
                
                     (ResponseCode is Zero) No AVS validation for declined transaction  | 
                
                     Accept order – system issue  | 
            
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