> For the complete documentation index, see [llms.txt](https://docs.payments.thalescloud.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.payments.thalescloud.io/3d-secure/es/comenzar/descripcion-general.md).

# Descripción general

Antes de implementar cualquier servicio D1, configura tu backend de emisor y la aplicación del emisor.

Utiliza las secciones a continuación para ir al paso de integración correspondiente.

### Integra la API backend de D1

[Integración de la API D1](/3d-secure/es/integrar-la-api-de-d1.md)

### Integra el SDK de D1

{% hint style="info" %}
Úsalo solo para el caso de uso de autenticación OOB 3DS.
{% endhint %}

[Integración del SDK D1](/3d-secure/es/integrar-el-sdk-de-d1.md)

### Registra al usuario final y la tarjeta

* [Gestión de usuarios finales](/3d-secure/es/comenzar/gestionar-usuarios-finales.md)
* [Gestión de tarjetas](/3d-secure/es/comenzar/gestionar-tarjetas.md)

### Implementa casos de uso 3DS

[Casos de uso 3DS](/3d-secure/es/implementar-3ds.md)


---

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