/// info | Info

Dies ist verfügbar seit Pydantic Version 2 oder höher. 😎

///

/// tip | Tipp

Wenn Sie irgendeine Art von Validierung durchführen müssen, die eine Kommunikation mit einer **externen Komponente** erfordert, wie z. B. einer Datenbank oder einer anderen API, sollten Sie stattdessen **FastAPI-Abhängigkeiten** verwenden. Sie werden diese später kennenlernen.

/// info

This is available with Pydantic version 2 or above. 😎

///

/// tip

If you need to do any type of validation that requires communicating with any **external component**, like a database or another API, you should instead use **FastAPI Dependencies**, you will learn about them later.

Still, in both situations, chances are that **FastAPI** will [still be faster](index.md#performance){.internal-link target=_blank} than (or at least comparable to) your previous framework.

It was created to generate the HTML in the backend, not to create APIs used by a modern frontend (like React, Vue.js and Angular) or by other systems (like <abbr title="Internet of Things">IoT</abbr> devices) communicating with it.

### <a href="https://www.django-rest-framework.org/" class="external-link" target="_blank">Django REST Framework</a> { #django-rest-framework }

* The apiserver can now select which type of kubelet-reported address to use for apiserver->node communications, using the --kubelet-preferred-address-types flag. ([#35497](https://github.com/kubernetes/kubernetes/pull/35497), [@liggitt](https://github.com/liggitt))