diff --git a/Layout/default/AddressDB/Index.php b/Layout/default/AddressDB/Index.php
index bf5eaf78c..21afbde8b 100644
--- a/Layout/default/AddressDB/Index.php
+++ b/Layout/default/AddressDB/Index.php
@@ -318,6 +318,14 @@
                 <td><?=$address->rollout?></td>
                 <td><?=$address->rollout_info?></td>
                 <td style="text-align: left; letter-spacing: 4px; font-size: 1.1em;">
+                    <?php if($me->is("Admin")): ?>
+                        <a href="<?=self::getUrl("AddressDB", "syncAddressToRimo", ["id" => $address->id])?>" title="Adressdaten nach Rimo exportieren">
+                            <sup><span class="" style="margin-right: -16px;"><i class="fas fa-cloud-arrow-up text-success"></i></span></sup><i class="fal fa-r"></i>
+                        </a>
+                        <!--a href="<?=self::getUrl("AddressDB", "syncAddressFromRimo", ["id" => $address->id])?>" title="Adressdaten von Rimo holen">
+                            <sup><span class="" style="margin-right: -16px;"><i class="fas fa-cloud-arrow-down text-danger"></i></span></sup><i class="fal fa-r"></i>
+                        </a-->
+                    <?php endif; ?>
                   <a href="<?=self::getUrl("AddressDB", "view", ["id" => $address->id])?>"><i class="far fa-fw fa-eye"  title="Adresse Anzeigen"></i></a>
                   <a href="<?=self::getUrl("AddressDB", "edit", ["id" => $address->id])?>" class="pl-1"><i class="far fa-fw fa-edit"  title="Adresse Bearbeiten"></i></a>
                   <a href="<?=self::getUrl("AddressDB", "delete", ["id" => $address->id])?>" onclick="if(!confirm('Addresse und alle Wohneinheiten wirklich löschen?')) return false;"><i class="far fa-fw fa-trash-alt text-danger"  title="Adresse Löschen"></i></a>
diff --git a/Layout/default/Preorder/Index.php b/Layout/default/Preorder/Index.php
index aa8189f53..27f36e86a 100644
--- a/Layout/default/Preorder/Index.php
+++ b/Layout/default/Preorder/Index.php
@@ -599,8 +599,14 @@ $pagination_entity_name = "Vorbestellungen";
                                         <span class="text-pink"><?=$preorder->oaid?></span>
                                     </td>
                                     <td>
-                                        <?=($preorder->company) ? $preorder->company : $preorder->firstname." ".$preorder->lastname?><br />
-                                        <?=$preorder->street?><?=($preorder->housenumber) ? " ".$preorder->housenumber : ""?><br />
+                                        <?=($preorder->company) ? $preorder->company."<br />" : ""?>
+                                        <?=($preorder->firstname || $preorder->lastname ) ? $preorder->firstname." ".$preorder->lastname."<br />" : ""?>
+                                        <?=$preorder->street?><?=($preorder->housenumber) ? " ".$preorder->housenumber : ""?>
+                                        <?=($preorder->block) ? "Block ".$preorder->block : ""?>
+                                        <?=($preorder->stiege) ? "Stiege ".$preorder->stiege : ""?>
+                                        <?=($preorder->stock) ? "Stock ".$preorder->stock : ""?>
+                                        <?=($preorder->tuer) ? "Tür ".$preorder->tuer : ""?>
+                                        <br />
                                         <?=$preorder->zip?> <?=$preorder->city?>
                                     </td>
                                     <td>
diff --git a/application/ADBHausnummer/ADBHausnummer.php b/application/ADBHausnummer/ADBHausnummer.php
index e5b23bbee..81b0a4c4a 100644
--- a/application/ADBHausnummer/ADBHausnummer.php
+++ b/application/ADBHausnummer/ADBHausnummer.php
@@ -57,7 +57,7 @@ class ADBHausnummer extends mfBaseModel {
       return true;
   }
 
-  private function updateAddressInRimo() {
+  public function updateAddressInRimo() {
       if(!$this->rimo_id) return false;
       $creds = $this->getNetownerRimoApiCredentials();
       if(!$creds) {
@@ -65,8 +65,11 @@ class ADBHausnummer extends mfBaseModel {
       }
 
       $update_data = [];
-      if($this->strasse_id && $this->getProperty("strasse")->name) $update_data["address"] = $this->getProperty("strasse")->name;
-      if($this->ortschaft_id && $this->getProperty("ort")->name) $update_data["city"] = $this->getProperty("ort")->name;
+      if($this->strasse_id && $this->getProperty("strasse")->name) {
+          $update_data["address"] = $this->getProperty("strasse")->name;
+          if(strlen($this->hausnummer)) $update_data["address"] .= " ".$this->hausnummer;
+      }
+      if($this->ortschaft_id && $this->getProperty("ortschaft")->name) $update_data["city"] = $this->getProperty("ortschaft")->name;
       if($this->plz_id && $this->getProperty("plz")->plz) $update_data["zipCode"] = $this->getProperty("plz")->plz;
       if($this->strasse_id && $this->getProperty("strasse")->gemeinde_id && $this->getProperty("strasse")->gemeinde->name) $update_data["district"] = $this->getProperty("strasse")->gemeinde->name;
 
diff --git a/application/AddressDB/AddressDB.php b/application/AddressDB/AddressDB.php
index 36348001a..d0645743a 100644
--- a/application/AddressDB/AddressDB.php
+++ b/application/AddressDB/AddressDB.php
@@ -149,7 +149,11 @@ class AddressDB {
         $log = mfLoghandler::singleton();
         $log->debug(__METHOD__.": =============================== in handleRimoStatusUpdate");
 
-        $wohneinheit = new ADBWohneinheit($wohneinheit_id);
+        $wohneinheit = mfValuecache::singleton()->get("mfObjectmodel-adb_wohneinheit-$wohneinheit_id");
+        if(!$wohneinheit) {
+            $wohneinheit = new ADBWohneinheit($wohneinheit_id);
+            if($wohneinheit->id) mfValuecache::singleton()->set("mfObjectmodel-adb_wohneinheit-$wohneinheit_id", $wohneinheit);
+        }
         if(!$wohneinheit->id) {
             //echo "no wohneinheit\n";
             return false;
diff --git a/application/AddressDB/AddressDBController.php b/application/AddressDB/AddressDBController.php
index fc697b8a9..f8e5d4dc4 100644
--- a/application/AddressDB/AddressDBController.php
+++ b/application/AddressDB/AddressDBController.php
@@ -783,6 +783,32 @@ class AddressDBController extends mfBaseController {
         }
     }*/
 
+    protected function syncAddressToRimoAction() {
+        if(!$this->me->is("Admin")) {
+            $this->redirect("AddressDB");
+        }
+
+        $hausnummer_id = $this->request->id;
+        if(!$hausnummer_id) {
+            $this->layout()->setFlash("Adresse nicht gefunden", "error");
+            $this->redirect("AddressDB");
+        }
+
+        $hausnummer = new ADBHausnummer($hausnummer_id);
+        if(!$hausnummer->id) {
+            $this->layout()->setFlash("Adresse nicht gefunden", "error");
+        }
+
+        if(!$hausnummer->updateAddressInRimo()) {
+            $this->layout()->setFlash("Fehler beim updaten der Adresse in Rimo", "error");
+            $this->redirect("AddressDB");
+        }
+
+        $this->layout()->setFlash("Adresse erfolgreich nach Rimo synchronisiert", "success");
+        $this->redirect("AddressDB");
+
+    }
+
     protected function saveBulkupdateAction() {
         if(!$this->me->is("Admin")) {
             $this->redirect("AddressDB");
@@ -811,7 +837,7 @@ class AddressDBController extends mfBaseController {
         $u = 0;
 
         if(ADBHausnummerModel::count($filter, true) > 1000) {
-            $this->layout()->setFlas("Bissi viel auf einmal");
+            $this->layout()->setFlash("Bissi viel auf einmal");
         }
 
         $cache = [];
@@ -908,7 +934,7 @@ class AddressDBController extends mfBaseController {
                 $hausnummer->strasse_id = $strasse->id;
                 $updated = true;
             }
-            if($plz_search && $hausnummer->plz != $plz->id) {
+            if($plz_search && $hausnummer->plz_id != $plz->id) {
                 $hausnummer->plz_id = $plz->id;
                 $updated = true;
             }
@@ -973,6 +999,9 @@ class AddressDBController extends mfBaseController {
       case 'findBuildings':
         $return = $this->findBuildingsApi();
         break;
+      case 'countWithFilter':
+        $return = $this->countWithFilter();
+        break;
       case 'getUnit':
         $return = $this->getUnitApi();
         break;
@@ -994,6 +1023,14 @@ class AddressDBController extends mfBaseController {
     $this->returnJson($data);
   }
 
+
+  private function countWithFilter() {
+      $filter = $this->getPreparedFilter($this->request->filter);
+      $filter["netzgebiet_id"] = true;
+
+      return ["count" => ADBHausnummerModel::count($filter)];
+  }
+
     private function updateAddressStatusApi() {
         $address_id = $this->request->id;
 
diff --git a/application/Api/v1/PreorderApicontroller.php b/application/Api/v1/PreorderApicontroller.php
index 21db2fd55..881d7e9ea 100644
--- a/application/Api/v1/PreorderApicontroller.php
+++ b/application/Api/v1/PreorderApicontroller.php
@@ -53,6 +53,7 @@ class PreorderApicontroller extends mfBaseApicontroller {
         $this->addRoute("/preorder/:code/clientInstallationFinished", [$modules["Cif"], "providerSetCif"], "POST");
         $this->addRoute("/preorder/:code/serviceActivated", [$modules["Activation"], "setServiceActive"], "POST");
         $this->addRoute("/preorder/:code", "getPreorder", "GET");
+        $this->addRoute("/preorder/:code", "updatePreorder", "PUT");
         $this->addRoute("/preorder/:code", "cancelPreorder", "DELETE");
 
 
@@ -331,6 +332,70 @@ class PreorderApicontroller extends mfBaseApicontroller {
 
     }
 
+    protected function updatePreorder($code) {
+        $code = trim($code);
+        if(!$code) {
+            return mfResponse::NotFound(["message" => "Preorder not found"]);
+        }
+
+        $preorder = PreorderModel::getFirst(['ucode' => strtoupper($code), 'partner_id' => $this->me->address_id]);
+        if(!$preorder) {
+            // try as extref
+            $preorder = PreorderModel::getFirst(['extref' => $code, 'partner_id' => $this->me->address_id]);
+        }
+        if(!$preorder) {
+            // try oan id
+            $preorder = PreorderModel::getFirst(['oaid' => strtolower($code), 'partner_id' => $this->me->address_id], "`create` DESC");
+        }
+
+        if(!$preorder) {
+            return mfResponse::NotFound(["message" => "Preorder not found"]);
+        }
+
+
+        if($preorder->partner_id != $this->me->address_id) {
+            return mfResponse::NotFound(["message" => "Preorder not found"]);
+        }
+
+        $updates = [];
+        foreach(["contact_type","company","uid","firstname","lastname","street","housenumber","block","stock","stiege","tuer","unit_string","zip","city","phone","email"] as $type) {
+            if(array_key_exists($type, $this->post)) {
+                $updates[$type] = trim($this->post[$type]);
+            }
+        }
+
+        if(!count($updates)) {
+            return mfResponse::BadRequest(["message" => "No updates provided"]);
+        }
+
+        if(array_key_exists("contact_type", $updates)) {
+            if($updates["contact_type"] != "tenant" && $updates["contact_type"] != "owner") {
+                return mfResponse::BadRequest(["message" => "Invalid contact type. Must be 'owner' or 'tenant'"]);
+            }
+        }
+
+        $updates["edit_by"] = $this->me->id;
+        $preorder->update($updates);
+
+        // sanity checks
+        if(!$preorder->company && (!$preorder->firstname || !$preorder->lastname)) {
+            return mfResponse::BadRequest(["message" => "Cannot leave company or first- and lastname empty"]);
+        }
+        if(!$preorder->email) {
+            return mfResponse::BadRequest(["message" => "Cannot leave email empty"]);
+        }
+        if(!$preorder->street || !$preorder->zip || !$preorder->city) {
+            return mfResponse::BadRequest(["message" => "Cannot leave address fields empty"]);
+        }
+
+        if(!$preorder->save()) {
+            return mfResponse::InternalServerError();
+        }
+
+        return mfResponse::Ok(["message" => "Contact successfully updated"]);
+
+    }
+
     protected function cancelPreorder($code) {
         if($this->me->is("Preorderreadonly")) return \mfResponse::Forbidden();
         /*
diff --git a/application/Preorder/Preorder.php b/application/Preorder/Preorder.php
index eec4bab6b..3e3f9fb98 100644
--- a/application/Preorder/Preorder.php
+++ b/application/Preorder/Preorder.php
@@ -41,6 +41,11 @@ class Preorder extends mfBaseModel {
         if($this->uid === "string") {
             $this->uid = "";
         }
+
+        if($this->id) {
+            //echo "[{$this->_ruid}] preorder::afterload: adding to cache\n";
+            mfValuecache::singleton()->set("mfObjectmodel-preorder-" . $this->id, $this);
+        }
     }
 
     public function beforeSave($_params = []) {
@@ -57,6 +62,7 @@ class Preorder extends mfBaseModel {
         $this->building = null;
         $this->adb_hausnummer = null;
         $this->adb_wohneinheit = null;
+        $this->attribute = null;
         $this->services = null;
         $this->ordered_services = null;
         $this->creator = null;
@@ -475,7 +481,11 @@ class Preorder extends mfBaseModel {
             return true;
         }
 
-        $hausnummer = new ADBHausnummer($this->adb_hausnummer_id);
+        $hausnummer = mfValuecache::singleton()->get("mfObjectmodel-adb_hausnummer-" . $this->adb_hausnummer_id);
+        if(!$hausnummer) {
+            $hausnummer = new ADBHausnummer($this->adb_hausnummer_id);
+            if($hausnummer->id) mfValuecache::singleton()->set("mfObjectmodel-adb_hausnummer-".$this->adb_hausnummer_id, $hausnummer);
+        }
         if(!$hausnummer->id) {
             $this->log->warning("[".$this->_ruid."] ".__METHOD__ . ": hausnummer " . $this->adb_hausnummer_id . " not found!");
             return true;
@@ -519,7 +529,11 @@ class Preorder extends mfBaseModel {
                 return true;
             }
 
-            $wohneinheit = new ADBWohneinheit($this->adb_wohneinheit_id);
+            $wohneinheit = mfValuecache::singleton()->get("mfObjectmodel-adb_wohneinheit-" . $this->adb_wohneinheit_id);
+            if(!$wohneinheit) {
+                $wohneinheit = new ADBwohneinheit($this->adb_wohneinheit_id);
+                if($wohneinheit->id) mfValuecache::singleton()->set("mfObjectmodel-adb_wohneinheit-".$this->adb_wohneinheit_id, $wohneinheit);
+            }
             if(!$wohneinheit->id) return true;
 
             $this->log->debug("[".$this->_ruid."] ".__METHOD__ . ": new wohneinheit status code " . $new_wohneinheit_status->code);
@@ -536,6 +550,24 @@ class Preorder extends mfBaseModel {
         if(is_array($flags) && count($flags)) {
             foreach($flags as $flag) {
                 if(strlen($flag->value->value) && array_key_exists($flag->code, TT_PREORDER_STATUS_FLAG_MATRIX)) {
+
+                    if($flag->code == "145") {
+                        //echo "flag 145\n";
+                        $attribs = $this->getProperty("attribute");
+                        if(!is_array($attribs)) {
+                            $attribs = [];
+                        }
+
+                        if(!array_key_exists("inhouse_cabling_supplied", $attribs) || $attribs["inhouse_cabling_supplied"] != $flag->value->value) {
+                            $attribs["inhouse_cabling_supplied"] = (int)$flag->value->value;
+                            //echo "[{$this->_ruid}] preorder::aftersave: updating attrib to ".(int)$flag->value->value."\n";
+                            $this->attributes = json_encode($attribs);
+                            $this->save(["no_aftersave" => true]);
+                            //print_r($this->attributes);echo "\n";
+                        }
+                    }
+
+
                     $flag_matrix_item = TT_PREORDER_STATUS_FLAG_MATRIX[$flag->code];
                     if(!$flag_matrix_item["flag"]) continue;
 
@@ -548,7 +580,7 @@ class Preorder extends mfBaseModel {
                             //var_dump($hflag);exit;
                             $hflag->hausnummer_id = $hausnummer->id;
                             $hflag->value->value = $flag->value->value;
-                            $hflag->save();
+                            $hflag->value->save();
                             $this->log->debug("[" . $this->_ruid . "] " . __METHOD__ . ": Hausnummer flag " . $hflag->code . " value '" . $hflag->value->value . "' gespeichert");
                         }
                     }
@@ -1051,7 +1083,7 @@ class Preorder extends mfBaseModel {
     public function setStatusFlag($code, $value = 1) {
         if(!$code) return false;
 
-        $sflag = PreorderstatusflagModel::getFirst(["code" => $code]);
+        $sflag = PreorderStatusflagModel::getFirst(["code" => $code]);
         if(!$sflag) return false;
 
         $sflag->preorder_id = $this->id;
@@ -1503,13 +1535,31 @@ class Preorder extends mfBaseModel {
             }
 
             if($name == "adb_hausnummer") {
-                $this->adb_hausnummer = new ADBHausnummer($this->adb_hausnummer_id);
-                return $this->adb_hausnummer;
+                $hausnummer = mfValuecache::singleton()->get("mfObjectmodel-adb_hausnummer-" . $this->adb_hausnummer_id);
+                if(!$hausnummer) {
+                    $hausnummer = new ADBHausnummer($this->adb_hausnummer_id);
+                }
+                if($hausnummer && $hausnummer->id) {
+                    mfValuecache::singleton()->set("mfObjectmodel-adb_hausnummer-" . $this->adb_hausnummer_id, $hausnummer);
+                    $this->adb_hausnummer = $hausnummer;
+                    return $this->adb_hausnummer;
+                }
+
+                return new ADBHausnummer();
             }
 
             if($name == "adb_wohneinheit") {
-                $this->adb_wohneinheit = new ADBWohneinheit($this->adb_wohneinheit_id);
-                return $this->adb_wohneinheit;
+                $wohneinheit = mfValuecache::singleton()->get("mfObjectmodel-adb_wohneinheit-" . $this->adb_wohneinheit_id);
+                if(!$wohneinheit) {
+                    $wohneinheit = new ADBWohneinheit($this->adb_wohneinheit_id);
+                }
+                if($wohneinheit && $wohneinheit->id) {
+                    mfValuecache::singleton()->set("mfObjectmodel-adb_wohneinheit-" . $this->adb_wohneinheit_id, $wohneinheit);
+                    $this->adb_wohneinheit = $wohneinheit;
+                    return $this->adb_wohneinheit;
+                }
+
+                return new ADBWohneinheit();
             }
 
             if($name == "services") {
diff --git a/application/Preorder/PreorderModel.php b/application/Preorder/PreorderModel.php
index 32321710e..3fd20ee5f 100644
--- a/application/Preorder/PreorderModel.php
+++ b/application/Preorder/PreorderModel.php
@@ -267,6 +267,13 @@ class PreorderModel
 
         if ($db->num_rows($res)) {
             $data = $db->fetch_object($res);
+
+            // search in cache
+            $item = mfValuecache::singleton()->get("mfObjectmodel-preorder-".$data->id);
+            if($item) {
+                return $item;
+            }
+            // if not in cache, load regularly
             $item = new Preorder($data);
             if ($item->id) {
                 return $item;
@@ -559,7 +566,12 @@ class PreorderModel
                 if ($returnArray) {
                     $items[] = $data;
                 } else {
-                    $items[] = new Preorder($data);
+                    $item = mfValuecache::singleton()->get("mfObjectmodel-preorder-".$data->id);
+                    if($item) {
+                        $items[] = $item;
+                    } else {
+                        $items[] = new Preorder($data);
+                    }
                 }
             }
         }
diff --git a/application/PreorderStatusflagValue/PreorderStatusflagValue.php b/application/PreorderStatusflagValue/PreorderStatusflagValue.php
index f4c77e1c1..f41db1b8d 100644
--- a/application/PreorderStatusflagValue/PreorderStatusflagValue.php
+++ b/application/PreorderStatusflagValue/PreorderStatusflagValue.php
@@ -4,6 +4,7 @@ class PreorderStatusflagValue extends mfBaseModel {
     private $preorder;
 
     protected function afterSave() {
+        //echo __METHOD__."\n";
         if(!property_exists($this->_old_data, "value") || $this->_old_data->value != $this->data->value) {
             $history = PreorderHistoryModel::create([
                 "preorder_id" => $this->data->preorder_id,
@@ -15,7 +16,10 @@ class PreorderStatusflagValue extends mfBaseModel {
             $history->save();
 
         }
-        $this->getProperty("preorder")->afterSave();
+
+        $preorder = $this->getProperty("preorder");
+        //echo "[{$preorder->_ruid}] flagvalue aftersave: loaded preorder\n";
+        $preorder->afterSave();
     }
 
     public function getProperty($name) {
@@ -23,6 +27,7 @@ class PreorderStatusflagValue extends mfBaseModel {
 
             $classname = ucfirst($name);
             $idfield = $name."_id";
+            //var_dump(mfValuecache::singleton()->cache["mfObjectmodel-$name-".$this->$idfield]);exit;
             $this->$name = mfValuecache::singleton()->get("mfObjectmodel-$name-".$this->$idfield);
             if(!$this->$name) {
                 $this->$name = new $classname($this->$idfield);
diff --git a/lib/Rimoapi/Rimoapi.php b/lib/Rimoapi/Rimoapi.php
index b40a22c62..e58de712a 100644
--- a/lib/Rimoapi/Rimoapi.php
+++ b/lib/Rimoapi/Rimoapi.php
@@ -36,14 +36,16 @@ class Rimoapi {
         $createOrderEp = RIMO_API_JSON_URL.RIMO_API_JSON_EP_CHANGE_BUILDING_ADDRESS;
         $put_url = $createOrderEp."?".$qs;
         $ctx = stream_context_create($ctx_opts);
-        $log->debug(__METHOD__.": Creating OAID in Rimo: $put_url");
+        $log->debug(__METHOD__.": Address Change in Rimo: $put_url");
         $response = file_get_contents($put_url, false, $ctx);
         //var_dump($response);exit;
+        $log->debug(__METHOD__.": response: ".print_r($response,true));
         if($response === false) {
             $log->error("Fehler beim Update der Adresse in RIMO ".$building_external_id);
             return false;
         }
 
+
         $resp_data = json_decode($response);
         if(!$resp_data->id) return false;
 
diff --git a/lib/mvcfronk/mfBase/mfBaseApicontroller.php b/lib/mvcfronk/mfBase/mfBaseApicontroller.php
index d264367dc..b896c8d75 100644
--- a/lib/mvcfronk/mfBase/mfBaseApicontroller.php
+++ b/lib/mvcfronk/mfBase/mfBaseApicontroller.php
@@ -185,7 +185,7 @@ class mfBaseApicontroller {
     
     // POST Request
     $post = [];
-    if($this->http_method == "POST") {
+    if($this->http_method == "POST" || $this->http_method == "PUT") {
       $post = $this->getPostRequest();
       if($post === false) {
         $post = [];
@@ -234,6 +234,11 @@ class mfBaseApicontroller {
       return $request_body;
     }
 
+    if($this->http_method == "PUT") {
+      // PUT requests in application/x-www-form-urlencoded format need special handling
+      parse_str(file_get_contents("php://input"), $_POST);
+    }
+
     // Request body is urlencoded or multipart-formdata
     if(array_key_exists("CONTENT_TYPE", $_SERVER) && preg_match('#charset\s*=\s*["\']?([^ "\']+)["\']?\s*;?#i', $_SERVER["CONTENT_TYPE"], $m)) {
       $request_charset = strtolower($m[1]);
diff --git a/public/docs/preorder-api.yaml b/public/docs/preorder-api.yaml
index 488d973b2..5b8f3af57 100644
--- a/public/docs/preorder-api.yaml
+++ b/public/docs/preorder-api.yaml
@@ -820,6 +820,192 @@ paths:
           description: Unauthorized
         '404':
           description: Vorbestellung nicht gefunden
+    put:
+      tags:
+        - preorder
+      summary: Kontaktdaten bearbeiten
+      description: Zum Bearbeiten der Kontaktdaten einer Bestellung. Ein oder mehrere Parameter benötigt.
+      operationId: updatePreorderContact
+      parameters:
+        - name: id
+          in: path
+          description: Automatisch generierter **code** der Vorbestellung, **OAID** der Wohneinheit oder providereigene ID (**extref**)
+          required: true
+          schema:
+            type: string
+      requestBody:
+        description: zu ändernde Kontaktdaten
+        required: true
+        content:
+          'application/json':
+            schema:
+              type: object
+              description: Vertragsinhaber
+              properties:
+                type:
+                  type: string
+                  enum: [ "owner","tenant" ]
+                  description: |
+                    Ist diese Adresse Besitzer oder Bewohner der Wohneinheit. Optional, aber kann je nach Kampagne ein Pflichtfeld sein.
+
+                    | type   | Description |
+                    |--------|-------------|
+                    | owner  | Ist Besitzer |
+                    | tenant | Ist Bewohner|
+                company:
+                  type: string
+                  description: Firmenname Kunde
+                  example:
+                uid:
+                  type: string
+                  description: UID (wenn Firmenkunde)
+                  example:
+                firstname:
+                  type: string
+                  description: Vorname Kunde
+                  example: Vor
+                lastname:
+                  type: string
+                  description: Nachname Kunde
+                  example: Nachname
+                street:
+                  type: string
+                  description: Straße Kunde
+                  example: Beispielstraße
+                housenumber:
+                  type: string
+                  description: Hausnummer Kunde
+                  example: 42
+                zip:
+                  type: string
+                  description: PLZ Kunde
+                  example: 9999
+                city:
+                  type: string
+                  description: Ort Kunde
+                  example: Beispielhausen
+                block:
+                  type: string
+                  description: Adresszusatz
+                  example: null
+                stiege:
+                  type: string
+                  description: Adresszusatz
+                  example: null
+                stock:
+                  type: string
+                  description: Adresszusatz
+                  example: null
+                tuer:
+                  type: string
+                  description: Adresszusatz
+                  example: null
+                phone:
+                  type: string
+                  description: Telefonnummer Kunde
+                  example: "01 1234 567 89"
+                email:
+                  type: string
+                  description: Emailadresse Kunde
+                  example: this.email@does-not.exist
+          'application/x-www-form-urlencoded':
+            schema:
+              type: object
+              description: Vertragsinhaber
+              properties:
+                type:
+                  type: string
+                  enum: [ "owner","tenant" ]
+                  description: |
+                    Ist diese Adresse Besitzer oder Bewohner der Wohneinheit. Optional, aber kann je nach Kampagne ein Pflichtfeld sein.
+
+                    | type   | Description |
+                    |--------|-------------|
+                    | owner  | Ist Besitzer |
+                    | tenant | Ist Bewohner|
+                company:
+                  type: string
+                  description: Firmenname Kunde
+                  example:
+                uid:
+                  type: string
+                  description: UID (wenn Firmenkunde)
+                  example:
+                firstname:
+                  type: string
+                  description: Vorname Kunde
+                  example: Vor
+                lastname:
+                  type: string
+                  description: Nachname Kunde
+                  example: Nachname
+                street:
+                  type: string
+                  description: Straße Kunde
+                  example: Beispielstraße
+                housenumber:
+                  type: string
+                  description: Hausnummer Kunde
+                  example: 42
+                zip:
+                  type: string
+                  description: PLZ Kunde
+                  example: 9999
+                city:
+                  type: string
+                  description: Ort Kunde
+                  example: Beispielhausen
+                block:
+                  type: string
+                  description: Adresszusatz
+                  example: null
+                stiege:
+                  type: string
+                  description: Adresszusatz
+                  example: null
+                stock:
+                  type: string
+                  description: Adresszusatz
+                  example: null
+                tuer:
+                  type: string
+                  description: Adresszusatz
+                  example: null
+                phone:
+                  type: string
+                  description: Telefonnummer Kunde
+                  example: "01 1234 567 89"
+                email:
+                  type: string
+                  description: Emailadresse Kunde
+                  example: this.email@does-not.exist
+      responses:
+        '200':
+          description: Successful operation
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  status:
+                    type: string
+                    description: Status string
+                    example: OK
+                  result:
+                    type: object
+                    properties:
+                      message:
+                        type: string
+                        description: Statustext
+                        example: Contact successfully updated
+        '400':
+          description: Fehler in Eingabedaten
+        '401':
+          description: Api key fehlt oder ungültig
+        '403':
+          description: Keine Berechtigung
+        '404':
+          description: Bestellung nicht gefunden oder bereits storniert
     delete:
       tags:
         - preorder