Index: extensions/ProofreadPage/ApiQueryProofread.php
===================================================================
--- extensions/ProofreadPage/ApiQueryProofread.php	(revision )
+++ extensions/ProofreadPage/ApiQueryProofread.php	(revision )
@@ -0,0 +1,104 @@
+<?php
+/*
+ * Created on August 8, 2011
+ *
+ * API module for MediaWiki's Proofread extension
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+class ApiQueryProofread extends ApiQueryBase {
+
+	public function execute() {
+		$pageSet = $this->getPageSet();
+		$pages = $pageSet->getGoodTitles();
+		if ( !count( $pages ) ) {
+			return true;
+		}
+
+		// Only include pages that can use the proofread tag
+		// Why doesn't it strtolower in getCanonicalIndex?
+		$pageNamespaceText = strtolower( wfMsgForContent( 'proofreadpage_namespace' ) );
+		$pageNamespaceId = MWNamespace::getCanonicalIndex( $pageNamespaceText );
+		$pageIds = array();
+		foreach ( $pages AS $pageId => $title ) {
+			if ( $title->getNamespace() == $pageNamespaceId ) {
+				$pageIds[] = $pageId;
+			}
+		}
+
+		if ( !count( $pageIds ) ) {
+			return true;
+		}
+
+		// Determine the categories defined in MediaWiki: pages
+		$qualityCategories = $qualityText = array();
+		for ( $i = 0; $i < 5; $i++ ) {
+			$cat = Title::makeTitleSafe( NS_CATEGORY, wfMsgForContent( "proofreadpage_quality{$i}_category" ) );
+			if ( $cat ) {
+				$qualityCategories[$i] = $cat->getPrefixedText();
+				$qualityText[$i] = $cat->getText();
+			}
+		}
+		$qualityLevels = array_flip( $qualityCategories );
+
+		// <Reedy> johnduhart, it'd seem sane rather than duplicating the functionality
+		$params = new FauxRequest(array(
+			'action' => 'query',
+			'prop' => 'categories',
+			'pageids' => implode( '|', $pageIds ),
+			'clcategories' => implode( '|', $qualityCategories ),
+			'cllimit' => 'max'
+		));
+
+		$api = new ApiMain($params);
+		$api->execute();
+		$data = $api->getResultData();
+		unset( $api );
+
+		$result = $this->getResult();
+		foreach ( $data['query']['pages'] as $pageid => $data) {
+			$pageQuality = $qualityLevels[ $data['categories'][0]['title'] ];
+			if ( $pageQuality === null ) {
+				continue;
+			}
+			$val =  array( 'quality' => $pageQuality, 'quality_text' => $qualityText[ $pageQuality ] );
+			$result->addValue( array( 'query', 'pages', $pageid ), 'proofread', $val );
+		}
+	}
+
+	public function getCacheMode( $params ) {
+		return 'public';
+	}
+
+	public function getAllowedParams() {
+		return array();
+	}
+
+	public function getDescription() {
+		return 'Returns information about the current proofread status of the given pages.';
+	}
+
+	protected function getExamples() {
+		return array(
+			'api.php?action=query&generator=allpages&gapnamespace=104&prop=proofread'
+		);
+	}
+
+	public function getVersion() {
+		return __CLASS__ . ': $Id$';
+	}
+}
\ No newline at end of file
Index: extensions/ProofreadPage/ProofreadPage.php
===================================================================
--- extensions/ProofreadPage/ProofreadPage.php	(revision 93993)
+++ extensions/ProofreadPage/ProofreadPage.php	(revision )
@@ -44,6 +44,10 @@
 $wgSpecialPages['PagesWithoutScans'] = 'PagesWithoutScans';
 $wgSpecialPageGroups['PagesWithoutScans'] = 'maintenance';
 
+# api prop
+$wgAutoloadClasses['ApiQueryProofread'] = $dir . 'ApiQueryProofread.php';
+$wgAPIPropModules['proofread'] = 'ApiQueryProofread';
+
 # Group allowed to modify pagequality
 $wgGroupPermissions['user']['pagequality'] = true;