Gateway API Customer Response Codes
| API Controller | Applicable For | Result Code | Result Sub Code | Result Text |
| Customer | Customer Vault Transaction | 1 | 2000 | Success |
| 3 | 2001 | Failure | ||
| 3 | 2002 | General Error | ||
| 3 | 2003 | Validation – ““ *Message Errors | ||
| 3 | 2004 | Customer already exists | ||
| 3 | 2005 | Customer not found | ||
| 3 | 2006 | Customer Id is required | ||
| 3 | 2007 | Customer already Inactive | ||
| 3 | 2008 | Invalid Customer User ID | ||
| 3 | 2009 | Invalid Customer Customer ID | ||
| 3 | 2010 | Customer Token not found | ||
| 3 | 2011 | Token ID is required | ||
| 3 | 2012 | Customer Token assigned for billing plan!. Unable to delete token |