diff --git a/application/controllers/api/frontend/v1/stv/Address.php b/application/controllers/api/frontend/v1/stv/Address.php
new file mode 100644
index 000000000..7685fcd04
--- /dev/null
+++ b/application/controllers/api/frontend/v1/stv/Address.php
@@ -0,0 +1,66 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * Provides data to the ajax get calls about addresses
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ */
+class Address extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getNations' => self::PERM_LOGGED,
+			'getPlaces' => self::PERM_LOGGED
+		]);
+	}
+
+	public function getNations()
+	{
+		$this->load->model('codex/Nation_model', 'NationModel');
+
+		$this->NationModel->addOrder('kurztext');
+
+		$result = $this->NationModel->load();
+		$data = $this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getPlaces($plz)
+	{
+		$this->load->model('codex/Gemeinde_model', 'GemeindeModel');
+
+		$this->load->library('form_validation');
+		
+		$this->form_validation->set_data(['address.plz' => $plz]);
+
+		$this->form_validation->set_rules('address.plz', 'PLZ', 'numeric|less_than[10000]');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$result = $this->GemeindeModel->getGemeindeByPlz($plz);
+		$data = $this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess($data);
+	}
+}
diff --git a/application/controllers/components/stv/Address.php b/application/controllers/components/stv/Address.php
deleted file mode 100644
index c0e34c0c3..000000000
--- a/application/controllers/components/stv/Address.php
+++ /dev/null
@@ -1,47 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-class Address extends FHC_Controller
-{
-	public function __construct()
-	{
-		// TODO(chris): access!
-		parent::__construct();
-	}
-
-	public function getNations()
-	{
-		$this->load->model('codex/Nation_model', 'NationModel');
-
-		$this->NationModel->addOrder('kurztext');
-
-		$result = $this->NationModel->load();
-		if (isError($result)) {
-			$this->output->set_status_header(REST_Controller::HTTP_INTERNAL_SERVER_ERROR);
-		}
-		$this->outputJson($result);
-	}
-
-	public function getPlaces($plz)
-	{
-		$this->load->model('codex/Gemeinde_model', 'GemeindeModel');
-
-		$this->load->library('form_validation');
-		
-		$this->form_validation->set_data(['address.plz' => $plz]);
-
-		$this->form_validation->set_rules('address.plz', 'PLZ', 'numeric|less_than[10000]');
-
-		if ($this->form_validation->run() == false) {
-			$this->output->set_status_header(REST_Controller::HTTP_BAD_REQUEST);
-			return $this->outputJsonError($this->form_validation->error_array());
-		}
-
-		$result = $this->GemeindeModel->getGemeindeByPlz($plz);
-		if (isError($result)) {
-			$this->output->set_status_header(REST_Controller::HTTP_INTERNAL_SERVER_ERROR);
-		}
-		$this->outputJson($result);
-	}
-}
diff --git a/public/js/components/Stv/Studentenverwaltung.js b/public/js/components/Stv/Studentenverwaltung.js
index 05a84499d..2fe6c9713 100644
--- a/public/js/components/Stv/Studentenverwaltung.js
+++ b/public/js/components/Stv/Studentenverwaltung.js
@@ -21,7 +21,6 @@ import StvVerband from "./Studentenverwaltung/Verband.js";
 import StvList from "./Studentenverwaltung/List.js";
 import StvDetails from "./Studentenverwaltung/Details.js";
 import StvStudiensemester from "./Studentenverwaltung/Studiensemester.js";
-import {CoreRESTClient} from '../../RESTClient.js';
 
 
 export default {
@@ -107,25 +106,20 @@ export default {
 			this.studiengangKz = studiengang_kz;
 			this.$refs.stvList.updateUrl(link);
 		},
-		searchfunction(searchsettings) {
-			return Vue.$fhcapi.Search.search(searchsettings);  
-		},
 		studiensemesterChanged(v) {
 			this.studiensemesterKurzbz = v;
 			this.$refs.stvList.updateUrl();
 			this.$refs.details.reload();
 		},
 		reloadList() {
-			console.log('reloadList2');
 			this.$refs.stvList.reload();
 		}
 	},
 	created() {
-		CoreRESTClient
-			.get('components/stv/Address/getNations')
-			.then(result => CoreRESTClient.getData(result.data) || [])
+		this.$fhcApi
+			.get('api/frontend/v1/stv/address/getNations')
 			.then(result => {
-				this.lists.nations = result;
+				this.lists.nations = result.data;
 			})
 			.catch(this.$fhcAlert.handleSystemError);
 		this.$fhcApi
@@ -187,7 +181,7 @@ export default {
 		<header class="navbar navbar-expand-lg navbar-dark bg-dark flex-md-nowrap p-0 shadow">
 			<a class="navbar-brand col-md-4 col-lg-3 col-xl-2 me-0 px-3" :href="stvRoot">FHC 4.0</a>
 			<button class="navbar-toggler d-md-none m-1 collapsed" type="button" data-bs-toggle="offcanvas" data-bs-target="#sidebarMenu" aria-controls="sidebarMenu" aria-expanded="false" :aria-label="$p.t('ui/toggle_nav')"><span class="navbar-toggler-icon"></span></button>
-			<core-searchbar :searchoptions="searchbaroptions" :searchfunction="searchfunction" class="searchbar w-100"></core-searchbar>
+			<core-searchbar :searchoptions="searchbaroptions" :searchfunction="$fhcApi.factory.search.search" class="searchbar w-100"></core-searchbar>
 		</header>
 		<div class="container-fluid overflow-hidden">
 			<div class="row h-100">
diff --git a/public/js/components/Stv/Studentenverwaltung/Details/Kontakt/Address.js b/public/js/components/Stv/Studentenverwaltung/Details/Kontakt/Address.js
index 017f3a056..e2301f7a3 100644
--- a/public/js/components/Stv/Studentenverwaltung/Details/Kontakt/Address.js
+++ b/public/js/components/Stv/Studentenverwaltung/Details/Kontakt/Address.js
@@ -1,5 +1,4 @@
 import {CoreFilterCmpt} from "../../../../filter/Filter.js";
-import {CoreRESTClient} from "../../../../../RESTClient";
 import PvAutoComplete from "../../../../../../../index.ci.php/public/js/components/primevue/autocomplete/autocomplete.esm.min.js";
 import FhcFormValidation from '../../../../Form/Validation.js';
 import BsModal from "../../../../Bootstrap/Modal.js";
@@ -17,7 +16,7 @@ export default{
 	data() {
 		return{
 			tabulatorOptions: {
-				ajaxURL: 'api/frontend/v1/stv/Kontakt/getAdressen/' + this.uid,
+				ajaxURL: 'api/frontend/v1/stv/kontakt/getAdressen/' + this.uid,
 				ajaxRequestFunc: this.$fhcApi.get,
 				ajaxResponse: (url, params, response) => response.data,
 				//autoColumns: true,
@@ -169,21 +168,21 @@ export default{
 		}
 	},
 	watch: {
-		uid(){
+		uid() {
 			this.$refs.table.tabulator.setData('api/frontend/v1/stv/Kontakt/getAdressen/' + this.uid);
 		}
 	},
 	methods:{
-		actionNewAdress(){
+		actionNewAdress() {
 			this.$refs.newAdressModal.show();
 		},
-		actionEditAdress(adress_id){
+		actionEditAdress(adress_id) {
 			this.loadAdress(adress_id).then(() => {
 				if(this.addressData.adresse_id)
 					this.$refs.editAdressModal.show();
 			});
 		},
-		actionDeleteAdress(adress_id){
+		actionDeleteAdress(adress_id) {
 			this.loadAdress(adress_id).then(() => {
 				if(this.addressData.adresse_id)
 					if(this.addressData.heimatadresse)
@@ -205,10 +204,10 @@ export default{
 				this.reload();
 			});
 		},
-		reload(){
+		reload() {
 			this.$refs.table.reloadTable();
 		},
-		loadAdress(adress_id){
+		loadAdress(adress_id) {
 			return this.$fhcApi.get('api/frontend/v1/stv/kontakt/loadAddress/' + adress_id)
 				.then(result => {
 						this.addressData = result.data;
@@ -216,7 +215,7 @@ export default{
 				})
 				.catch(this.$fhcAlert.handleSystemError);
 		},
-		updateAddress(adress_id){
+		updateAddress(adress_id) {
 			this.$fhcApi.post('api/frontend/v1/stv/kontakt/updateAddress/' + adress_id,
 				this.addressData
 			).then(response => {
@@ -229,7 +228,7 @@ export default{
 				this.reload();
 			});
 		},
-		deleteAddress(adress_id){
+		deleteAddress(adress_id) {
 			this.$fhcApi.post('api/frontend/v1/stv/kontakt/deleteAddress/' + adress_id)
 				.then(response => {
 					this.$fhcAlert.alertSuccess(this.$p.t('ui', 'successDelete'));
@@ -247,13 +246,12 @@ export default{
 				return;
 
 			this.abortController.places = new AbortController();
-			CoreRESTClient
-				.get('components/stv/address/getPlaces/' + this.addressData.plz, undefined, {
+			this.$fhcApi
+				.get('api/frontend/v1/stv/address/getPlaces/' + this.addressData.plz, undefined, {
 					signal: this.abortController.places.signal
 				})
-				.then(result => CoreRESTClient.getData(result.data) || [])
 				.then(result => {
-					this.places = result;
+					this.places = result.data;
 				});
 /*				.catch(error => {
 					if (error.code == 'ERR_BAD_REQUEST') {
@@ -271,20 +269,19 @@ export default{
 					this.filteredFirmen = result.data.retval;
 				});
 		},
-		hideModal(modalRef){
+		hideModal(modalRef) {
 			this.$refs[modalRef].hide();
 		},
-		resetModal(){
+		resetModal() {
 			this.addressData = {};
 			this.addressData = this.initData;
 		},
 	},
-	created(){
-		CoreRESTClient
-			.get('components/stv/Address/getNations')
-			.then(result => CoreRESTClient.getData(result.data) || [])
+	created() {
+		this.$fhcApi
+			.get('api/frontend/v1/stv/address/getNations')
 			.then(result => {
-				this.nations = result;
+				this.nations = result.data;
 			})
 			.catch(this.$fhcAlert.handleSystemError);
 		this.$fhcApi