Error Scenarios and Status Codes

9. Error Scenarios and Status Codes

The error scenarios and corresponding status codes are listed in the tables below.

ScenarioStatus codeDescription
Invalid amount51For example, 0.01.
Missing mandatory request field400For example, element 'card': The attribute 'type-id' is required but missing.

Status Codes

2000 and 2001Transaction successful.
2010Transaction failed.
4021Session failed; maximum attempts exceeded.
4030Session successfully completed.
4031Session partially completed.
4021Session failed or declined.

Note: For details about status codes, refer to the CPD Velocity API Integration Guide- Status Codes.