Es gibt viele Situationen, in denen Sie einem Client, der Ihre API benutzt, einen Fehler zurückgeben müssen.

Dieser Client könnte ein Browser mit einem Frontend, Code von jemand anderem, ein <abbr title="Internet of Things – Internet der Dinge: Geräte, die über das Internet Informationen austauschen">IoT</abbr>-Gerät, usw., sein.

Sie müssten beispielsweise einem Client sagen:

* Dass er nicht die notwendigen Berechtigungen hat, eine Aktion auszuführen.

* Assumptions: What is Offline?

  For the purposes of determining the areas sensitive to offline status,
  it is definitely useful to define what the offline state really means.

  [[1]] This is obvious, but the network/internet is unavailable.

  [[2]] Localhost (127.0.0.1) may also be unavailable if the whole
        network stack is offline.

  [[3]] "Remote" repositories referenced using the file:// protocol may

    Pour plus de détails, consultez la section [Déploiement](deployment/index.md){.internal-link target=_blank}.

## Benchmarks et vitesse

  /**
   * The HTTP nonstandard {@code X-Content-Security-Policy} header field name. It was introduced in
   * <a href="https://www.w3.org/TR/2011/WD-CSP-20111129/">CSP v.1</a> and used by the Firefox until
   * version 23 and the Internet Explorer version 10. Please, use {@link #CONTENT_SECURITY_POLICY}
   * to pass the CSP.
   *
   * @since 20.0
   */
  public static final String X_CONTENT_SECURITY_POLICY = "X-Content-Security-Policy";
  /**

    Check more details in the [Deployment](deployment/index.md){.internal-link target=_blank} section.

## Benchmarks and speed

Modern ön uçlarda (React, Vue.js ve Angular gibi) veya diğer sistemler (örneğin <abbr title="Nesnelerin interneti: IoT (Internet of Things)">nesnelerin interneti</abbr> cihazları) tarafından kullanılan API'lar yerine arka uçta HTML üretmek için oluşturuldu.

     Додаткову інформацію див. у розділі [Розгортання](deployment/index.md){.internal-link target=_blank}.

## Орієнтири та швидкість

    Weitere Details finden Sie im Abschnitt [Deployment](deployment/index.md){.internal-link target=_blank}.

## Benchmarks und Geschwindigkeit

    Verifique mais detalhes na seção [Deployment](deployment/index.md){.internal-link target=_blank}.

## Performance e velocidade

!!! check "**FastAPI** 👍 ⚫️"
    👑 🕸 💽 🏃 **FastAPI** 🈸.

    👆 💪 🌀 ⚫️ ⏮️ 🐁, ✔️ 🔁 👁-🛠️ 💽.

    ✅ 🌅 ℹ [🛠️](deployment/index.md){.internal-link target=_blank} 📄.

## 📇 & 🚅