> ## 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 |


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