# ThreeDSEndpointEnvironment

A model the API reference uses in a request or a response. The operation pages link every field typed as this model here.

Which of the vendor's two environments a merchant's 3-D Secure binding points at.

## Values

| Value | Description |
| --- | --- |
| `Sandbox` | The vendor's test environment. The safe landing spot for an absent stored value. |
| `Live` | The vendor's production environment. |

## See also

- [All documentation](https://devportal.demo.winkpg.io/llms.txt): the machine-readable index of every public page on this site.