diff --git a/flaschengeist/plugins/pricelist/__init__.py b/flaschengeist/plugins/pricelist/__init__.py
index 5df895b..db001e5 100644
--- a/flaschengeist/plugins/pricelist/__init__.py
+++ b/flaschengeist/plugins/pricelist/__init__.py
@@ -137,7 +137,7 @@ def get_prices(identifier=None):
     return jsonify(result)
 
 
-@pricelist_bp.route("/prices/volumes/<int:identifier>", methods=["POST"])
+@pricelist_bp.route("/volumes/<int:identifier>/prices", methods=["POST"])
 def create_price(identifier):
     data = request.get_json()
     return jsonify(pricelist_controller.set_price(identifier, data))
@@ -152,4 +152,22 @@ def modify_price(identifier):
 @pricelist_bp.route("/prices/<int:identifier>", methods=["DELETE"])
 def delete_price(identifier):
     pricelist_controller.delete_price(identifier)
-    return NO_CONTENT
+    return "", NO_CONTENT
+
+
+@pricelist_bp.route("/drinks/<int:identifier>/volumes", methods=["POST"])
+def set_volume(identifier):
+    data = request.get_json()
+    return jsonify(pricelist_controller.set_volume(identifier, data))
+
+
+@pricelist_bp.route("/volumes/<int:identifier>", methods=["PUT"])
+def update_volume(identifier):
+    data = request.get_json()
+    return jsonify(pricelist_controller.update_volume(identifier, data))
+
+
+@pricelist_bp.route("/volumes/<int:identifier>", methods=["DELETE"])
+def delete_volume(identifier):
+    pricelist_controller.delete_volume(identifier)
+    return "", NO_CONTENT
diff --git a/flaschengeist/plugins/pricelist/pricelist_controller.py b/flaschengeist/plugins/pricelist/pricelist_controller.py
index d308504..2e1b69f 100644
--- a/flaschengeist/plugins/pricelist/pricelist_controller.py
+++ b/flaschengeist/plugins/pricelist/pricelist_controller.py
@@ -124,6 +124,50 @@ def get_volume(identifier):
     return DrinkPriceVolume.query.get(identifier)
 
 
+def get_volumes(drink_id=None):
+    if drink_id:
+        return DrinkPriceVolume.query.filter(DrinkPriceVolume.drink_id == drink_id).all()
+    return DrinkPriceVolume.query.all()
+
+
+def set_volume(identifier, data):
+    allowed_keys = DrinkPriceVolume().serialize().keys()
+    if "id" in data:
+        data.pop("id")
+    values = {key: value for key, value in data.items() if key in allowed_keys}
+
+    volume = DrinkPriceVolume(**values)
+    drink = get_drink(identifier)
+    if not drink:
+        raise BadRequest
+    drink.volumes.append(volume)
+    db.session.add(volume)
+    db.session.commit()
+    return volume
+
+
+def update_volume(identifier, data):
+    allowed_keys = DrinkPriceVolume().serialize().keys()
+    if "id" in data:
+        data.pop("id")
+    values = {key: value for key, value in data.items() if key in allowed_keys}
+    if "prices" in values:
+        prices = values.pop("prices")
+    if "ingredients" in values:
+        ingredients = values.pop("ingredients")
+    volume = get_volume(identifier)
+    for key, value in values.items():
+        setattr(volume, key, value)
+    db.session.commit()
+    return volume
+
+
+def delete_volume(identifier):
+    volume = get_volume(identifier)
+    db.session.delete(volume)
+    db.session.commit()
+
+
 def get_price(identifier):
     if isinstance(identifier, int):
         return DrinkPrice.query.get(identifier)
@@ -138,6 +182,8 @@ def get_prices(volume_id=None):
 
 def set_price(identifier, data):
     allowed_keys = DrinkPrice().serialize().keys()
+    if "id" in data:
+        data.pop("id")
     values = {key: value for key, value in data.items() if key in allowed_keys}
     price = DrinkPrice(**values)
     volume = get_volume(identifier)
@@ -155,7 +201,7 @@ def update_price(identifier, data):
         data.pop("id")
     values = {key: value for key, value in data.items() if key in allowed_keys}
     price = get_price(identifier)
-    for key, value in values:
+    for key, value in values.items():
         setattr(price, key, value)
     db.session.commit()
     return price