Das ist keine Limitation von **FastAPI**, sondern Teil des HTTP-Protokolls.

///

## Zusammenfassung { #recap }

///

## Recapitulando { #recap }

```JSON
{
    "X-Token values": [
        "bar",
        "foo"
    ]
}
```

## Zusammenfassung { #recap }

Deklarieren Sie Header mit `Header`, wobei Sie dasselbe gängige Muster wie bei `Query`, `Path` und `Cookie` verwenden.

And the `dict` you receive as `weights` will actually have `int` keys and `float` values.

///

## Recap { #recap }

With **FastAPI** you have the maximum flexibility provided by Pydantic models, while keeping your code simple, short and elegant.

But with all the benefits:

* Editor support (completion everywhere!)

Password: `secret2`

And try to use the operation `GET` with the path `/users/me`.

You will get an "Inactive user" error, like:

```JSON
{
  "detail": "Inactive user"
}
```

## Recap { #recap }

You now have the tools to implement a complete security system based on `username` and `password` for your API.

```
X-Token: foo
X-Token: bar
```

El response sería como:

```JSON
{
    "X-Token values": [
        "bar",
        "foo"
    ]
}
```

## Recapitulación { #recap }

Declara headers con `Header`, usando el mismo patrón común que `Query`, `Path` y `Cookie`.

Esto no es una limitación de **FastAPI**, es parte del protocolo HTTP.

///

## Recapitulación { #recap }

```
X-Token: foo
X-Token: bar
```

A resposta seria como:

```JSON
{
    "X-Token values": [
        "bar",
        "foo"
    ]
}
```

## Recapitulando { #recap }

Declare cabeçalhos com `Header`, usando o mesmo padrão comum que utiliza-se em `Query`, `Path` e `Cookie`.

Isso não é uma limitação do **FastAPI**, é parte do protocolo HTTP.

///

## Recapitulando { #recap }

Vergleichen Sie, wie deprecatete und nicht-deprecatete *Pfadoperationen* aussehen:

<img src="/img/tutorial/path-operation-configuration/image05.png">

## Zusammenfassung { #recap }