---
layout: 3x-api
title: Express 3.x - Довідник API
menu: api
lang: uk
description: Access the API reference for Express.js version 3.x, noting that this
  version is end-of-life and no longer maintained - includes details on modules and
  methods.
---
<div id="api-doc" markdown="1">

  <div class="doc-box doc-warn" markdown="1">
  **Express версій 3.x БІЛЬШЕ НЕ ПІДТРИМУЄТЬСЯ**

  Known and unknown security and performance issues in 3.x have not been addressed since the last update (1 August, 2015). It is highly recommended to use the latest version of Express.
  </div>

  <h1>3.x API</h1>

  <a id='express' class='h2'></a>
  {% include api/en/3x/express.md %}

  <a id='application' class='h2'></a>
  {% include api/en/3x/app.md %}

  <a id='request' class='h2'></a>
  {% include api/en/3x/req.md %}

  <a id='response' class='h2'></a>
  {% include api/en/3x/res.md %}

  <a id='middleware' class='h2'></a>
  {% include api/en/3x/middleware.md %}

</div>
