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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Documentation of the Programmatic Interface (API) to The W3C CSS
Validation Service</title>
<link rev="made" href="mailto:www-validator-css@w3.org" />
<link rev="start" href="./" title="Home Page" />
<style type="text/css" media="all">
@import "style/base.css";
</style>
<meta name="revision"
content="$Id$" />
<!-- SSI Template Version: $Id$ -->
</head>
<body>
<div id="banner">
<h1 id="title"><a href="https://www.w3.org/"><img alt="W3C" id="logo" src="https://www.w3.org/assets/logos/w3c-2025/svg/margins/w3c-letters-bg-white.svg" /></a>
<a href="./"><span>CSS Validation Service</span></a></h1>
<p id="tagline">
Check Cascading Style Sheets (CSS) and (X)HTML documents with style sheets
</p>
</div>
<div class="doc">
<h2>CSS Validator Web Service API<br />
SOAP 1.2 validation interface documentation</h2>
<h3 id="TableOfContents">Table of Contents</h3>
<div id="toc">
<ul>
<li><a href="#requestformat">Validation Request Format</a></li>
<li><a href="#soap12format">SOAP format description</a>
<ul>
<li><a href="#soap12_sample">sample SOAP 1.2 validation
response</a></li>
<li><a href="#soap12response">SOAP1.2 response format reference</a></li>
<li><a href="#soap12message">SOAP1.2 atomic message (error or warning)
format reference</a></li>
</ul>
</li>
</ul>
</div>
<p id="skip"></p>
<h3 id="requestformat">Validation Request Format</h3>
<p>The documentation on how to create a custom request to the CSS validation service is available,
with a table of all existing parameters and their values, in the <a href="manual.html">User Manual</a>.</p>
<h3 id="soap12format">SOAP format description</h3>
<p>When called with parameter <code>output=soap12</code>, the validator will
switch to its SOAP 1.2 interface. Below is a sample response, as well as a
description of the most important elements of the response.</p>
<p>A <a href="https://www.w3.org/2005/09/css-validator.wsdl">WSDL 2 description file</a> is lso available for this service.</p>
<h4>sample SOAP 1.2 validation request</h4>
<p>It is a simple HTTP GET call to a URI like:</p>
<p><code>https://jigsaw.w3.org/css-validator/validator?uri=http%3A%2F%2Fwww.w3.org%2F&warning=0&profile=css2</code></p>
<h4 id="soap12_sample">sample SOAP 1.2 validation response</h4>
<p>A SOAP response for the validation of a document (invalid) will look like
this:</p>
<pre style="font-size: smaller"><?xml version='1.0' encoding="utf-8"?>
<env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope">
<env:Body>
<m:cssvalidationresponse
env:encodingStyle="http://www.w3.org/2003/05/soap-encoding"
xmlns:m="http://www.w3.org/2005/07/css-validator">
<m:uri>http://www.w3.org/</m:uri>
<m:checkedby>http://jigsaw.w3.org/css-validator/</m:checkedby>
<m:csslevel>css2</m:csslevel>
<m:date>2006.02.23T01:19:57Z</m:date>
<m:validity>true</m:validity>
<m:result>
<m:errors xml:lang="en">
<m:errorcount>0</m:errorcount>
</m:errors>
<m:warnings xml:lang="en">
<m:warningcount>79</m:warningcount>
<m:warninglist>
<m:uri>https://www.w3.org/StyleSheets/home.css</m:uri>
<m:warning>
<m:line>85</m:line>
<m:level>0</m:level>
<m:message>Properties for other media might not work for usermedium</m:message>
</m:warning>
</m:warninglist>
<m:warninglist>
<m:uri>https://www.w3.org/StyleSheets/home-import.css</m:uri>
<m:warning>
<m:line>167</m:line>
<m:level>0</m:level>
<m:message>Properties for other media might not work for usermedium</m:message>
</m:warning>
<m:warning>
<m:line>349</m:line>
<m:level>0</m:level>
<m:message>Properties for other media might not work for usermedium</m:message>
</m:warning>
<m:warning>
<m:line>362</m:line>
<m:level>0</m:level>
<m:message>Properties for other media might not work for usermedium</m:message>
</m:warning>
</m:warninglist>
</m:warnings>
</m:result>
</m:cssvalidationresponse>
</env:Body>
</env:Envelope></pre>
<h4 id="soap12response">SOAP1.2 response format reference</h4>
<table class="refdoc">
<tbody>
<tr>
<th>element</th>
<th>description</th>
</tr>
<tr>
<th id="soap12_markupvalidationresponse">cssvalidationresponse</th>
<td>The main element of the validation response. Encloses all other
information about the validation results.</td>
</tr>
<tr>
<th id="soap12_uri">uri</th>
<td>the address of the document validated. In <a
href="https://www.w3.org/WAI/ER/">EARL</a> terms, this is the
<kbd>TestSubject</kbd>.</td>
</tr>
<tr>
<th id="soap12_checkedby">checkedby</th>
<td>Location of the service which provided the validation result. In <a
href="https://www.w3.org/WAI/ER/">EARL</a> terms, this is the
<kbd>Assertor</kbd>.</td>
</tr>
<tr>
<th id="soap12_doctype">csslevel</th>
<td>The CSS level (or profile) in use during the validation.</td>
</tr>
<tr>
<th id="soap12_charset">date</th>
<td>The actual date of the validation</td>
</tr>
<tr>
<th id="soap12_validity">validity</th>
<td>Whether or not the document validated passed or not formal
validation (boolean)</td>
</tr>
<tr>
<th id="soap12_errors">errors</th>
<td>Encapsulates all data about errors encountered through the
validation process</td>
</tr>
<tr>
<th id="soap12_errorcount">errorcount</th>
<td>a child of <a href="#soap12_errors">errors</a>, counts the number
of errors listed</td>
</tr>
<tr>
<th id="soap12_errorlist">errorlist</th>
<td>a child of <a href="#soap12_errors">errors</a>, contains the list
of errors (surprise!)</td>
</tr>
<tr>
<th id="soap12_error">error</th>
<td>a child of <a href="#soap12_errorlist">errorlist</a>, contains the
information on a single validation error.</td>
</tr>
</tbody>
</table>
<p><strong>Note</strong>: <code>warnings</code>, <code>warningcount</code>,
<code>warninglist</code> and <code>warning</code> are similar to,
respectively, <code><a href="#soap12_errors">errors</a></code>, <code><a
href="#soap12_errorcount">errorcount</a></code>, <code><a
href="#soap12_errorlist">errorlist</a></code> and <code><a
href="#soap12_error">error</a></code>.</p>
<h4 id="soap12message">SOAP1.2 atomic message (error or warning) format
reference</h4>
<p>As seen as the example above, the children of the <code><a
href="#soap12_error">error</a></code> element, but also the
<code>warning</code> element are <code>line</code>, <code>level</code> and
<code>message</code>, defined below:</p>
<table class="refdoc">
<tbody>
<tr>
<th>element</th>
<th>description</th>
</tr>
<tr>
<th id="soap12_line">line</th>
<td>Within the source code of the validated document, refers to the
line where the error was detected.</td>
</tr>
<tr>
<th id="soap12_col">level</th>
<td>The level of the warning, only the ones whose level is under or
equal to the value specified in the request will be displayed.</td>
</tr>
<tr>
<th id="soap12_message">message</th>
<td>The actual error or warning message</td>
</tr>
</tbody>
</table>
</div>
<ul class="navbar" id="menu">
<li><strong><a href="./" title="Home page for the W3C CSS Validation Service">Home</a></strong> <span class="hideme">|</span></li>
<li><a href="about.html" title="About this service">About</a> <span class="hideme">|</span></li>
<li><a href="documentation.html" title="Documentation for the W3C CSS Validation Service">Documentation</a> <span class="hideme">|</span></li>
<li><a href="DOWNLOAD.html" title="Download the CSS validator">Download</a> <span class="hideme">|</span></li>
<li><a href="Email.html" title="How to provide feedback on this service">Feedback</a> <span class="hideme">|</span></li>
<li><a href="thanks.html" title="Credits and Acknowlegments">Credits</a><span class="hideme">|</span></li>
</ul>
<div id="footer">
<p id="activity_logos">
<a href=""https://www.w3.org/Style/CSS/learning"" title="Learn more about Cascading Style Sheets"><img src="images/woolly-icon" alt="CSS" /></a>
</p>
<p id="support_logo">
<a href="https://www.w3.org/donate/">
<img src="https://www.w3.org/QA/Tools/I_heart_validator" alt="I heart Validator logo" title=" Validators Donation Program" />
</a>
</p>
<p class="copyright"><span lang="en" dir="ltr">Copyright © 2025 <a href="https://www.w3.org/">World Wide Web Consortium</a>.<br> <abbr title="World Wide Web Consortium">W3C</abbr><sup>®</sup> <a href="https://www.w3.org/policies/#disclaimers">liability</a>, <a href="https://www.w3.org/policies/#trademarks">trademark</a> and <a rel="license" href="https://www.w3.org/copyright/document-license/" title="W3C Document License">permissive license</a> rules apply.</span></p>
</div>
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