```hl_lines="4"
INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
```

해당 줄은 로컬 머신에서 앱이 서비스되는 URL을 보여줍니다.

### 확인하기 { #check-it }

브라우저로 [http://127.0.0.1:8000](http://127.0.0.1:8000)를 여세요.

아래와 같은 JSON 응답을 볼 수 있습니다:

```JSON
{"message": "Hello World"}
```

### 대화형 API 문서 { #interactive-api-docs }

이제 [http://127.0.0.1:8000/docs](http://127.0.0.1:8000/docs)로 가봅니다.

specific language governing permissions and limitations
under the License.
-->

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>inheritance</groupId>
    <artifactId>parent</artifactId>

specific language governing permissions and limitations
under the License.
-->

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>inheritance</groupId>
    <artifactId>parent</artifactId>

Ahora, ejecuta el comando `fastapi`:

<div class="termy">

```console
$ fastapi dev

<span style="color: green;">INFO</span>:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
```

</div>

Y abre la documentación en [http://127.0.0.1:8000/docs](http://127.0.0.1:8000/docs).

Verás la documentación automática de la API para la aplicación principal, incluyendo solo sus propias _path operations_:

Agora, execute o comando `fastapi`:

<div class="termy">

```console
$ fastapi dev

<span style="color: green;">INFO</span>:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
```

</div>

E abra a documentação em [http://127.0.0.1:8000/docs](http://127.0.0.1:8000/docs).

Você verá a documentação automática da API para a aplicação principal, incluindo apenas suas próprias _operações de rota_:

///

O parâmetro `status_code` recebe um número com o código de status HTTP.

/// info | Informação

`status_code` também pode receber um `IntEnum`, como [`http.HTTPStatus`](https://docs.python.org/3/library/http.html#http.HTTPStatus) do Python.

///

Dessa forma:

* Este código de status será retornado na resposta.

### Réponse résultante { #the-resulting-response }

Si le client demande `http://example.com/items/foo` (un `item_id` « foo »), il recevra un code d'état HTTP 200 et une réponse JSON :

```JSON
{
  "item": "The Foo Wrestlers"
}
```

Mais si le client demande `http://example.com/items/bar` (un `item_id` inexistant « bar »), il recevra un code d'état HTTP 404 (l'erreur « not found ») et une réponse JSON :

```JSON
{

 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,

* `apiKey`: специфичный для приложения ключ, который может поступать из:
    * параметра запроса.
    * HTTP-заголовка.
    * cookie.
* `http`: стандартные системы аутентификации по HTTP, включая:
    * `bearer`: HTTP-заголовок `Authorization` со значением `Bearer ` плюс токен. Это унаследовано от OAuth2.
    * Базовая аутентификация по HTTP.
    * HTTP Digest и т.д.
* `oauth2`: все способы OAuth2 для обеспечения безопасности (называются «потоками»).

import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**
 * Servlet filter for processing web API requests.
 * This filter intercepts HTTP requests and delegates processing to appropriate web API managers.
 */
public class WebApiFilter implements Filter {

    /**