## Перевірте документацію

Ви можете побачити параметри запиту в UI документації за `/docs`:

<div class="screenshot">
<img src="/img/tutorial/query-param-models/image01.png">
</div>

## Заборона зайвих Query параметрів

У деяких особливих випадках (ймовірно, не дуже поширених) Ви можете захотіти **обмежити** query параметри, які дозволено отримувати.

		metadata   map[string]string
		shouldFail bool
	}{
		// Validate if there a known 'content-type'.
		{
			header: http.Header{
				"Content-Type": []string{"image/png"},
			},
			metadata: map[string]string{
				"content-type": "image/png",
			},
			shouldFail: false,
		},
		// Validate if there are no keys to extract.
		{
			header: http.Header{
				"Test-1": []string{"123"},
			},

## Die Dokumentation testen { #check-the-docs }

Sie können dies in der Dokumentations-UI unter `/docs` testen:

<div class="screenshot">
<img src="/img/tutorial/request-form-models/image01.png">
</div>

## Zusätzliche Formularfelder verbieten { #forbid-extra-form-fields }

Você verá que a sua documentação possui as *operações de rota* normais e agora também possui alguns **webhooks**:

Uma vez que você acessar <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>, verá que está usando seu logo personalizado (neste exemplo, o logo do **FastAPI**):

## Verifique a Documentação { #check-the-docs }

Você pode ver os cookies definidos na IU da documentação em `/docs`:

<div class="screenshot">
<img src="/img/tutorial/cookie-param-models/image01.png">
</div>

/// info | Informação

* There's also a subdirectory `app/internal/` with another file `__init__.py`, so it's another "Python subpackage": `app.internal`.
* And the file `app/internal/admin.py` is another submodule: `app.internal.admin`.

<img src="/img/tutorial/bigger-applications/package.drawio.svg">

The same file structure with comments:

```
.
├── app                  # "app" is a Python package

## Check the Docs { #check-the-docs }

You can verify it in the docs UI at `/docs`:

<div class="screenshot">
<img src="/img/tutorial/request-form-models/image01.png">
</div>

## Forbid Extra Form Fields { #forbid-extra-form-fields }

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

* Une autre documentation d'API est fournie par <a href="https://github.com/Rebilly/ReDoc" class="external-link" target="_blank"><strong>ReDoc</strong></a>.

![ReDoc](https://fastapi.tiangolo.com/img/index/index-06-redoc-02.png)

### Faite en python moderne

<img src="/img/tutorial/behind-a-proxy/image01.png">

А вот если открыть интерфейс документации по «официальному» URL через прокси на порту `9999`, по `/api/v1/docs`, всё работает корректно! 🎉

Проверьте по адресу <a href="http://127.0.0.1:9999/api/v1/docs" class="external-link" target="_blank">http://127.0.0.1:9999/api/v1/docs</a>:

<img src="/img/tutorial/behind-a-proxy/image02.png">