> ## Documentation Index
> Fetch the complete documentation index at: https://docs.pagos.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# 3DS Response Codes

| Response Code (Integer) | Short Code                           | Description                                   |
| :---------------------- | :----------------------------------- | :-------------------------------------------- |
| 900                     | failed\_rejected\_or\_not\_attempted | 3DS failed, was rejected, or wasn't attempted |
| 901                     | authenticate\_attempted              | Authenticate attempted                        |
| 902                     | authenticate\_successful             | Authenticate successful                       |
| 903                     | data\_only                           | Data only                                     |
| 904                     | out\_of\_scope\_or\_exempt           | Out of scope or exempt                        |
| 905                     | error                                | Error                                         |
| 906                     | not\_attempted                       | Authenticate not attempted                    |
| 9999                    | unknown                              | Unknown                                       |