diff --git a/3.-sharee.bike-API-description.md b/3.-sharee.bike-API-description.md
index 7f92a63..8123ffe 100644
--- a/3.-sharee.bike-API-description.md
+++ b/3.-sharee.bike-API-description.md
@@ -1,5 +1,5 @@
 ## sharee.bike API description
-Version 4.1.10.2
+Version 4.1.23.22
 
 The document serves as a technical reference for the sharee.bike rental bike platform for rental bike client development. The rental bike management server COPRI serves as the backend system.
 
@@ -17,11 +17,11 @@ The primary server (uri_primary) is used for:
 - request=authentication
 - request=authout
 - request=stations_available
-- request=bikes_available
 - request=user_bikes_occupied
 - request=user_minianswer
 
-During rental bike, the operator server responsible for the rental process (uri_operator) is delivered in the rental bike JSON object. It is usesd for:
+The operator server (uri_operator) responsible for the rental process is used for:
+- request=bikes_available
 - request=booking_request
 - request=booking_update
 - request=user_feedback
diff --git a/3.4.-pri-request=stations_available.md b/3.4.-pri-request=stations_available.md
index 9f05403..ade30a9 100644
--- a/3.4.-pri-request=stations_available.md
+++ b/3.4.-pri-request=stations_available.md
@@ -15,20 +15,20 @@
 | description   | o        | text<=20 | short station description                             |
 | gps           | +        | array     | GPS: latitude, longitude                           |
 | station       | +        | text  | station prefix_number                                 |
-| station_group | +        | array  | station_group describes which bike_groups are allowed at the station |
-| authed          | o        | text  | return 1 if user is authenticated on operator |
+| station_group | +        | array  | deprecated, it is substituted by station_type object |
 | gps_radius    | +        | text     | geofencing by meters around station, for bike return. |
 | uri_operator          | +        | text  | URI of operator-server                 |
-| bike_count | + | text | Amount of available bikes on station |
+| station_type | + | object | station values (see example). It can be "cargo" and/or "city" bike objects |
 | operator_data | o | object | operator values (see example) |
+| bikes_occupied | o | object | Implicit returns the json object which is defined in "request=user_bikes_occupied" |
 
 
-**station_group** describes which **bike_group** are allowed at the station.
+**station_type** describes which **bike_group** are allowed at the station.
 Groups are identified by ID. The following groups of bicycles are defined:
 | Defined group ID's | bike type |
 | ------ | ------ |
-| 300101 | Cargobike |
-| 300103 | Citybike |
+| 300101 | cargo |
+| 300103 | city |
 Keep in mind, each ID is preceded by an operator-prefix. Datatype is array, because each station can have more byke_group 
 
 Example
@@ -56,18 +56,20 @@ https://shareeapp-primary.example.tld/APIjsonserver?request=stations_available&a
                "operator_color" : "#009699"
             },
             "station" : "WUE9301",
-            "station_group" : [
-               "WUE300101",
-               "WUE300103"
-            ],
             "gps" : {
                "latitude" : "47.99814334149303",
                "longitude" : " 7.765779379576922"
             },
             "gps_radius" : "100",
-            "bike_count" : "2"
+             "station_type" : {
+               "cargo" : {
+                  "bike_group" : "WUE300101",
+                  "bike_count" : "2"
+               }
+            }
          },
   "WUE9302" : {
     ...
-  }
+  },
+  "bikes_occupied" : {}
 ```
\ No newline at end of file
diff --git a/3.5.-pri-request=bikes_available.md b/4.1.-op-request=bikes_available.md
similarity index 93%
rename from 3.5.-pri-request=bikes_available.md
rename to 4.1.-op-request=bikes_available.md
index 7010ff2..f43e797 100644
--- a/3.5.-pri-request=bikes_available.md
+++ b/4.1.-op-request=bikes_available.md
@@ -26,6 +26,7 @@
 | rental_description  | + | object  | with tarif_elements and rental_info |
 | bike_type      | + | object  | describes the bike with some attributes |
 | smartlock_type      | o | object  | (under development) describes the smartlock with some attributes |
+| bikes_occupied | o | object | Implicit returns the json object which is defined in "request=user_bikes_occupied" |
 
 **rental_description** JSON Object
 | key          | Required | Format           | Comment                        |
@@ -53,15 +54,15 @@
 Groups are identified by ID. The following groups of bicycles are defined:
 | Defined group ID's | bike type |
 | ------ | ------ |
-| 300101 | Cargobike |
-| 300103 | Citybike |
+| 300101 | cargo |
+| 300103 | city |
 Keep in mind, each ID is preceded by an operator-prefix. Data type is array.
 
 
 Example
 **REST request=bikes_available** for authorized users
 ```
-https://sharee-primary.example.tld/APIjsonserver?request=bikes_available&authcookie=6103_f782a208d9399291ba8d086b5dcc2509_23456789
+https://sharee-operator.example.tld/APIjsonserver?request=bikes_available&authcookie=6103_f782a208d9399291ba8d086b5dcc2509_23456789
 ```
 
 **response** sharee JSON defaults + **response** multiple bike objects
@@ -125,7 +126,7 @@ https://sharee-primary.example.tld/APIjsonserver?request=bikes_available&authcoo
                "WUE300029"
             ],
             "Ilockit_ID" : "00000000-0000-0000-0000-fc3c002a2add",
-            "uri_operator" : "https://shareeapp-op.example.tld",
+            "uri_operator" : "https://shareeapp-operator.example.tld",
             "system" : "Ilockit",
             "smartlock_type" : {
                "engine" : {
@@ -138,7 +139,8 @@ https://sharee-primary.example.tld/APIjsonserver?request=bikes_available&authcoo
          },
   "LEC5522" : {
    ...
-  }
+  },
+  "bikes_occupied" : {}
 }
 ```
 
diff --git a/4.1.-op-request=booking_request.md b/4.2.-op-request=booking_request.md
similarity index 100%
rename from 4.1.-op-request=booking_request.md
rename to 4.2.-op-request=booking_request.md
diff --git a/4.2.-op-request=booking_update.md b/4.3.-op-request=booking_update.md
similarity index 96%
rename from 4.2.-op-request=booking_update.md
rename to 4.3.-op-request=booking_update.md
index 56c69a2..d39e789 100644
--- a/4.2.-op-request=booking_update.md
+++ b/4.3.-op-request=booking_update.md
@@ -40,7 +40,7 @@ The following lock states are implemented:
 Example
 **request**  starts bike rental and unlock smartlock at once. lock_state=unlocked can also be done on second request.
 ```
-https://sharee-zr01.example.tld/APIjsonserver?request=booking_update&bike=FR1540&state=occupied&lock_state=unlocked&authcookie=6103_7dc3c95028d06c9663378f6d44346de7_12345678
+https://sharee-operator.example.tld/APIjsonserver?request=booking_update&bike=FR1540&state=occupied&lock_state=unlocked&authcookie=6103_7dc3c95028d06c9663378f6d44346de7_12345678
 ```
 
 **response** sharee JSON defaults + **response** rental states in `user_bikes_occupied` JSON-objects
diff --git a/4.3.-op-request=user_feedback.md b/4.4.-op-request=user_feedback.md
similarity index 85%
rename from 4.3.-op-request=user_feedback.md
rename to 4.4.-op-request=user_feedback.md
index e6e63c8..2b8f036 100644
--- a/4.3.-op-request=user_feedback.md
+++ b/4.4.-op-request=user_feedback.md
@@ -20,7 +20,7 @@
 Example
 **REST request=user_feedback**
 ```
-https://shareeapp-fr01.copri-bike.de/APIjsonserver?request=user_feedback&bike=FR_1538&message=alles%20gut&bike_broken=1&authcookie=6103_ad720ed63bd40039e4abe8a9ad7315e1_23456789
+https://shareeapp-operator.example.tld/APIjsonserver?request=user_feedback&bike=FR1538&message=alles%20gut&bike_broken=1&authcookie=6103_ad720ed63bd40039e4abe8a9ad7315e1_23456789
 ```
 
 **response** is just the **sharee JSON default** with user_feedback