{!../../docs_src/bigger_applications/app/routers/items.py!}
```

/// tip | Dica

Esta última operação de caminho terá a combinação de tags: `["items", "custom"]`.

E também terá ambas as respostas na documentação, uma para `404` e uma para `403`.

///

## O principal `FastAPI`

Agora, vamos ver o módulo em `app/main.py`.

Aqui é onde você importa e usa a classe `FastAPI`.

Você verá a resposta JSON como:

```JSON
{"item_id": 5, "q": "somequery"}
```

Você acabou de criar uma API que:

* Recebe requisições HTTP nas _rotas_ `/` e `/items/{item_id}`.
* Ambas _rotas_ fazem operações `GET` (também conhecido como _métodos_ HTTP).
* A _rota_ `/items/{item_id}` tem um _parâmetro de rota_ `item_id` que deve ser um `int`.

    depends on JUnit, though it continues to work with all testing frameworks.
 *  Fix: `FormEncodingBuilder` is now consistent with browsers in which
    characters it escapes. Previously we weren’t percent-encoding commas,
    parens, and other characters.
 *  Fix: Relax `FormEncodingBuilder` to support building empty forms.
 *  Fix: Timeouts throw `SocketTimeoutException`, not `InterruptedIOException`.

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        .body("abcd")
        .build(),
    )
    server.enqueue(
      MockResponse
        .Builder()
        .addHeader("Transfer-Encoding: none")
        .addHeaderLenient("Gamma", "Γ")
        .addHeaderLenient("Δ", "Delta")
        .code(HttpURLConnection.HTTP_NOT_MODIFIED)
        .build(),
    )
    val response1 = get(server.url("/"))

førde.no
g.bg
g.se
g12.br
ga
ga.us
gaivuotna.no
gal
gallery
gallo
gallup
galsa.no
gamagori.aichi.jp
game
game-host.org
game-server.cc
game.tw
games
games.hu
gamo.shiga.jp
gamvik.no
gangaviika.no
gangwon.kr
gap
garden
gaular.no
gausdal.no
gay
gb
gb.net
gbiz
gc.ca
gd
gd.cn
gda.pl
gdansk.pl

    * Bir çox proqramlaşdırma dilləri üçün avtomatlaşdırılmış <abbr title="Müştəri: Client">müştəri</abbr> kodu yaratma sistemləri.
* 2 interaktiv sənədləşmə veb interfeysini birbaşa təmin edəcək.

---

Yeni başlamışıq, amma siz artıq işin məntiqini başa düşmüsünüz.

İndi aşağıdakı sətri dəyişdirməyə çalışın:

```Python
    return {"item_name": item.name, "item_id": item_id}
```

...bundan:

```Python

Aun así, en ambas situaciones, es probable que **FastAPI** [siga siendo más rápida](index.md#performance){.internal-link target=_blank} que (o al menos comparable a) tu framework anterior.

### Dependencias

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