.firstChild;e;e=e.nextSibling)if(e.nodeType<6)return!1;return!0},parent:function(e){return!b.pseudos.empty(e)},header:function(e){return J.test(e.nodeName)},input:function(e){return Q.test(e.nodeName)},button:function(e){var t=e.nodeName.toLowerCase();return"input"===t&&"button"===e.type||"button"===t},text:function(e){var t;return"input"===e.nodeName.toLowerCase()&&"text"===e.type&&(null==(t=e.getAttribute("type"))||"text"===t.toLowerCase())},first:ye(function(){return[0]}),last:ye(function(e,t...

![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:

  - author: Amit Chaudhary
    author_link: https://twitter.com/amitness
    link: https://amitness.com/2020/06/fastapi-vs-flask/
    title: FastAPI for Flask Users
  - author: Louis Guitton
    author_link: https://twitter.com/louis_guitton
    link: https://guitton.co/posts/fastapi-monitoring/
    title: How to monitor your FastAPI service
  - author: Precious Ndubueze
    author_link: https://medium.com/@gabbyprecious2000

    * verifica che la richiesta abbia un attributo opzionale `is_offer` e che sia di tipo `bool`, se presente.
    * Tutto questo funzionerebbe anche con oggetti JSON più complessi.
* Convertirà *da* e *a* JSON automaticamente.
* Documenterà tutto con OpenAPI, che può essere usato per:
    * Sistemi di documentazione interattivi.
    * Sistemi di generazione di codice dal lato client, per molti linguaggi.

                                </div>
                            </div>
                            <div class="card-footer">
                                <jsp:include page="/WEB-INF/view/common/admin/crud/buttons.jsp"></jsp:include>
                            </div>
                        </div>
                    </div>
                </div>
            </la:form>
        </section>
    </div>

![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:

## Es in Aktion sehen

Öffnen Sie die interaktive Dokumentation: <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

### Authentifizieren

Klicken Sie auf den Button „Authorize“.

Verwenden Sie die Anmeldedaten:

Benutzer: `johndoe`

Passwort: `secret`.

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

Nach der Authentifizierung im System sehen Sie Folgendes:

## See it in action

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

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:

 * 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()

Go to the *path operation* "Get `/slowusers/`" in all of the tabs. Use the "Try it out" button and execute the request in each tab, one right after the other.

The tabs will wait for a bit and then some of them will show `Internal Server Error`.

### What happens