diff --git a/htdocs/api/class/api_dictionaryextrafields.class.php b/htdocs/api/class/api_dictionaryextrafields.class.php
new file mode 100644
index 0000000000000000000000000000000000000000..69f574797c7a2a1cca23992f8cd7e37476882418
--- /dev/null
+++ b/htdocs/api/class/api_dictionaryextrafields.class.php
@@ -0,0 +1,112 @@
+<?php
+/* Copyright (C) 2017	Regis Houssin	<regis.houssin@capnetworks.com>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+use Luracast\Restler\RestException;
+
+//require_once DOL_DOCUMENT_ROOT . '/core/class/extrafields.class.php';
+
+/**
+ * API class for extra fields (content of the extrafields)
+ *
+ * @access protected
+ * @class DolibarrApiAccess {@requires user,external}
+ */
+class DictionaryExtraFields extends DolibarrApi
+{
+    /**
+     * Constructor
+     */
+    function __construct()
+    {
+        global $db;
+        $this->db = $db;
+    }
+
+    /**
+     * Get the list of extra fields.
+     *
+     * @param string	$sortfield	Sort field
+     * @param string	$sortorder	Sort order
+     * @param string    $type       Type of element ('adherent', 'commande', 'thirdparty', 'facture', 'propal', 'product', ...)
+     * @param string    $sqlfilters Other criteria to filter answers separated by a comma. Syntax example "(t.label:like:'SO-%')"
+     * @return List of events types
+     *
+     * @throws RestException
+     */
+    function index($sortfield = "t.pos", $sortorder = 'ASC', $type = '', $sqlfilters = '')
+    {
+        $list = array();
+
+        if ($type == 'thirdparty') $type='societe';
+        if ($type == 'contact') $type='socpeople';
+
+        $sql = "SELECT t.rowid, t.name, t.label, t.type, t.size, t.elementtype, t.fieldunique, t.fieldrequired, t.param, t.pos, t.alwayseditable, t.perms, t.list, t.ishidden, t.fielddefault, t.fieldcomputed";
+        $sql.= " FROM ".MAIN_DB_PREFIX."extrafields as t";
+        $sql.= " WHERE t.entity IN (".getEntity('extrafields').")";
+        if (! empty($type)) $sql.= " AND t.elementtype = '".$this->db->escape($type)."'";
+        // Add sql filters
+        if ($sqlfilters)
+        {
+        	if (! DolibarrApi::_checkFilters($sqlfilters))
+        	{
+        		throw new RestException(503, 'Error when validating parameter sqlfilters '.$sqlfilters);
+        	}
+        	$regexstring='\(([^:\'\(\)]+:[^:\'\(\)]+:[^:\(\)]+)\)';
+        	$sql.=" AND (".preg_replace_callback('/'.$regexstring.'/', 'DolibarrApi::_forge_criteria_callback', $sqlfilters).")";
+        }
+
+        $sql.= $this->db->order($sortfield, $sortorder);
+
+        $resql=$this->db->query($sql);
+        if ($resql)
+        {
+        	if ($this->db->num_rows($resql))
+        	{
+        		while ($tab = $this->db->fetch_object($resql))
+        		{
+        			// New usage
+        			$list[$tab->elementtype][$tab->name]['type']=$tab->type;
+        			$list[$tab->elementtype][$tab->name]['label']=$tab->label;
+        			$list[$tab->elementtype][$tab->name]['size']=$tab->size;
+        			$list[$tab->elementtype][$tab->name]['elementtype']=$tab->elementtype;
+        			$list[$tab->elementtype][$tab->name]['default']=$tab->fielddefault;
+        			$list[$tab->elementtype][$tab->name]['computed']=$tab->fieldcomputed;
+        			$list[$tab->elementtype][$tab->name]['unique']=$tab->fieldunique;
+        			$list[$tab->elementtype][$tab->name]['required']=$tab->fieldrequired;
+        			$list[$tab->elementtype][$tab->name]['param']=($tab->param ? unserialize($tab->param) : '');
+        			$list[$tab->elementtype][$tab->name]['pos']=$tab->pos;
+        			$list[$tab->elementtype][$tab->name]['alwayseditable']=$tab->alwayseditable;
+        			$list[$tab->elementtype][$tab->name]['perms']=$tab->perms;
+        			$list[$tab->elementtype][$tab->name]['list']=$tab->list;
+        			$list[$tab->elementtype][$tab->name]['ishidden']=$tab->ishidden;
+        		}
+        	}
+        }
+        else
+        {
+            throw new RestException(503, 'Error when retrieving list of extra fields : '.$this->db->lasterror());
+        }
+
+        if (! count($list))
+        {
+        	throw new RestException(404, 'No extrafield found');
+        }
+
+        return $list;
+    }
+
+}