diff --git a/controller.xql b/controller.xql
index 5ed8a9db2..23a843d34 100644
--- a/controller.xql
+++ b/controller.xql
@@ -236,6 +236,14 @@ else if (matches($exist:path, '^/cmif_v2.xml$')) then
     	</forward>
     </dispatch>
 
+(: OAI-PMH-Interface :)
+else if (matches($exist:path, '/(en|de)?/?' || config:get-option('generalIdPattern') || '(.*)/oai.xml')) then
+    <dispatch xmlns="http://exist.sourceforge.net/NS/exist">
+        <forward url="{concat($exist:controller, '/modules/oai.xql')}">
+            <set-attribute name="docID" value="{functx:substring-after-last(functx:substring-before-last($exist:path,'/'),'/')}"/>
+        </forward>
+    </dispatch>
+
 (: Sitemap :)
 else if (matches($exist:path, '^/sitemap(/?|/index.xml)?$') or matches($exist:path, '^/sitemap/sitemap_(en|de).xml.(gz|zip)$')) then
     <dispatch xmlns="http://exist.sourceforge.net/NS/exist">
diff --git a/modules/oai.xql b/modules/oai.xql
new file mode 100644
index 000000000..62df547c2
--- /dev/null
+++ b/modules/oai.xql
@@ -0,0 +1,136 @@
+xquery version "3.1" encoding "UTF-8";
+
+(:~
+ :  Module for exporting data as oai/xml
+ :  see https://www.openarchives.org/OAI/openarchivesprotocol.html
+ :)
+
+declare namespace tei="http://www.tei-c.org/ns/1.0";
+declare namespace mei="http://www.music-encoding.org/ns/mei";
+declare namespace output="http://www.w3.org/2010/xslt-xquery-serialization";
+declare namespace request="http://exist-db.org/xquery/request";
+declare namespace response="http://exist-db.org/xquery/response";
+declare namespace util="http://exist-db.org/xquery/util";
+declare namespace oai="http://www.openarchives.org/OAI/2.0/";
+
+import module namespace functx="http://www.functx.com";
+import module namespace crud="http://xquery.weber-gesamtausgabe.de/modules/crud" at "crud.xqm";
+import module namespace config="http://xquery.weber-gesamtausgabe.de/modules/config" at "config.xqm";
+import module namespace wega-util="http://xquery.weber-gesamtausgabe.de/modules/wega-util" at "wega-util.xqm";
+import module namespace date="http://xquery.weber-gesamtausgabe.de/modules/date" at "xmldb:exist:///db/apps/WeGA-WebApp-lib/xquery/date.xqm";
+import module namespace str="http://xquery.weber-gesamtausgabe.de/modules/str" at "xmldb:exist:///db/apps/WeGA-WebApp-lib/xquery/str.xqm";
+import module namespace mycache="http://xquery.weber-gesamtausgabe.de/modules/cache" at "xmldb:exist:///db/apps/WeGA-WebApp-lib/xquery/cache.xqm";
+import module namespace lod="http://xquery.weber-gesamtausgabe.de/modules/lod" at "lod.xqm";
+import module namespace lang="http://xquery.weber-gesamtausgabe.de/modules/lang" at "lang.xqm";
+import module namespace query="http://xquery.weber-gesamtausgabe.de/modules/query" at "query.xqm";
+import module namespace wdt="http://xquery.weber-gesamtausgabe.de/modules/wdt" at "wdt.xqm";
+
+declare option output:method "xml";
+declare option output:media-type "application/xml";
+declare option output:indent "yes";
+
+(:~
+ : Get the last date of modification from dataHistory.xml. Fallback: VersionDate from options.xml
+ : @author Dennis Ried 
+ :
+ : @param $docID The ID of the document
+ : return The date ad xs:dateTime or empty 
+:)
+declare %private function oai:last-modified($docID) as xs:dateTime {
+    let $props := config:get-data-props($docID)
+    return
+        if($props?dateTime castable as xs:dateTime) 
+        then ($props?dateTime => xs:dateTime())
+        else (fn:current-dateTime())
+};
+
+(:~
+ : Create a header response
+ :
+ : @author Dennis Ried 
+:)
+declare %private function oai:response-headers($docID) as empty-sequence() {
+    response:set-header('Access-Control-Allow-Origin', '*'),
+    response:set-header('Last-Modified', date:rfc822(oai:last-modified($docID))), 
+    response:set-header('Cache-Control', 'max-age=300,public')
+};
+
+(:~
+ : Creating the response for the interface (header, calling record by oai:record)
+ :
+ : @author Dennis Ried 
+:)
+declare function oai:oai($model as map(*)) as node() {
+	<OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd">
+		 <responseDate>{fn:current-dateTime()}</responseDate>
+		 <request verb="GetRecord" identifier="{$lod-metadata?DC.identifier}" metadataPrefix="oai_dc">http://www.openarchives.org/OAI/2.0/oai_dc/</request> 
+		 <GetRecord>
+			  {oai:record($model)}
+		 </GetRecord> 
+	</OAI-PMH>      
+};
+
+(:~
+ : Creating the record for the called file (body of response)
+ :
+ : @author Dennis Ried 
+:)
+declare function oai:record($model as map(*)) as node() {
+    let $docID := $model('docID')
+    let $lang := $model('lang')
+    let $dc-date := oai:last-modified($docID) => substring(1,10)
+    let $lod-metadata := lod:metadata(<node/>, $model, $lang)
+    return
+    	<record xmlns="http://www.openarchives.org/OAI/2.0/">
+        	<header>
+              <identifier>{$lod-metadata?DC.identifier}</identifier>
+              <datestamp>{fn:current-dateTime()}</datestamp>
+              <setSpec>{$model('docType')}</setSpec>
+            </header>
+            <metadata>
+             <oai_dc:dc 
+                 xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" 
+                 xmlns:dc="http://purl.org/dc/elements/1.1/" 
+                 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
+                 xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
+               <dc:title>{$lod-metadata?meta-page-title}</dc:title>
+               <dc:creator>{$lod-metadata?DC.creator}</dc:creator>
+               <dc:subject>{$lod-metadata?DC.subject}</dc:subject>
+               <dc:description>{$lod-metadata?DC.description}</dc:description>
+               <dc:date>{$dc-date}</dc:date>
+               <dc:identifier>{$docID}</dc:identifier>
+             </oai_dc:dc>
+            </metadata>
+            <about> 
+              <provenance
+                  xmlns="http://www.openarchives.org/OAI/2.0/provenance" 
+                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
+                  xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/provenance http://www.openarchives.org/OAI/2.0/provenance.xsd">
+                <originDescription harvestDate="{fn:current-dateTime()}" altered="true">
+                  <baseURL>{config:get-option('permaLinkPrefix')}</baseURL>
+                  <identifier>{$docID}</identifier>
+                  <datestamp>{$dc-date}</datestamp>
+                  <metadataNamespace>http://www.openarchives.org/OAI/2.0/oai_dc/</metadataNamespace>
+                </originDescription>
+              </provenance>
+            </about>
+    	</record>      
+};
+
+let $lang := config:guess-language(())
+let $docID := request:get-attribute('docID')
+let $doc := crud:doc($docID)
+let $model := 
+    map { 
+        'lang': $lang,
+        'docID': $docID,
+        'doc': $doc,
+        'docType': config:get-doctype-by-id($docID),
+        'lod': lod:metadata(<node/>, $model, $lang)
+    }
+return
+    (
+        oai:response-headers($docID),
+        response:set-status-code(202),
+        oai:oai($model)
+    )
\ No newline at end of file