Open the interactive docs: <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

### Authenticate { #authenticate }

Click the "Authorize" button.

Use the credentials:

User: `johndoe`

Password: `secret`

<img src="/img/tutorial/security/image04.png">

After authenticating in the system, you will see it like:

* the deployment
* to deploy

* the SDK
* the software development kit

* the `APIRouter`
* the `requirements.txt`
* the Bearer Token
* the breaking change
* the bug
* the button
* the callable
* the code
* the commit
* the context manager
* the coroutine
* the database session
* the disk
* the domain
* the engine
* the fake X
* the HTTP GET method
* the item

![Swagger UI](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)

* Click on the button "Try it out", it allows you to fill the parameters and directly interact with the API:

![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-04-swagger-03.png)

* Then click on the "Execute" button, the user interface will communicate with your API, send the parameters, get the results and show them on the screen:

* das Deployment
* deployen

* das SDK
* das Software Development Kit

* der `APIRouter`
* die `requirements.txt`
* das Bearer-Token
* der Breaking Change
* der Bug
* der Button
* das Callable
* der Code
* der Commit
* der Contextmanager
* die Coroutine
* die Datenbanksession
* die Festplatte
* die Domain
* die Engine
* das Fake-X
* die HTTP-GET-Methode

![Swagger UI](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)

* Klicken Sie auf den Button „Try it out“, damit können Sie die Parameter ausfüllen und direkt mit der API interagieren:

![Swagger UI Interaktion](https://fastapi.tiangolo.com/img/index/index-04-swagger-03.png)

Wir verwenden Doppelpunkte (`:`), nicht Gleichheitszeichen (`=`).

Und das Hinzufügen von Typhinweisen ändert normalerweise nichts an dem, was ohne sie passieren würde.

Aber jetzt stellen Sie sich vor, Sie sind wieder mitten in der Erstellung dieser Funktion, aber mit Typhinweisen.

An derselben Stelle versuchen Sie, die Autovervollständigung mit „Strg+Leertaste“ auszulösen, und Sie sehen:

<img src="/img/python-types/image02.png">

 * doesn't cache partial responses.
 *
 * ## Force a Network Response
 *
 * In some situations, such as after a user clicks a 'refresh' button, it may be necessary to skip
 * the cache, and fetch data directly from the server. To force a full refresh, add the `no-cache`
 * directive:
 *
 * ```java
 * Request request = new Request.Builder()

github.com/go-asn1-ber/asn1-ber
https://github.com/go-asn1-ber/asn1-ber
----------------------------------------------------------------
The MIT License (MIT)

Copyright (c) 2011-2015 Michael Mitton (mmitton@gmail.com)
Portions copyright (c) 2015-2016 go-asn1-ber Authors

Permission is hereby granted, free of charge, to any person obtaining a copy

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                """
                The OAuth2 redirect endpoint for the Swagger UI.

                By default it is `/docs/oauth2-redirect`.

                This is only used if you use OAuth2 (with the "Authorize" button)
                with Swagger UI.
                """
            ),
        ] = "/docs/oauth2-redirect",
        swagger_ui_init_oauth: Annotated[
            Optional[dict[str, Any]],
            Doc(