diff --git a/services/certificates/oas_commit b/services/certificates/oas_commit
index 308f94ffe..cdcbe7241 100644
--- a/services/certificates/oas_commit
+++ b/services/certificates/oas_commit
@@ -1 +1 @@
-00b020b2998425397c9a0e51364fe8846fa66880
+e0004861a738bbce1cd3d921c230b0cda3d64987
diff --git a/services/certificates/src/stackit/certificates/exceptions.py b/services/certificates/src/stackit/certificates/exceptions.py
index 3817ad45f..817532a58 100644
--- a/services/certificates/src/stackit/certificates/exceptions.py
+++ b/services/certificates/src/stackit/certificates/exceptions.py
@@ -45,7 +45,7 @@ def __init__(self, msg, path_to_item=None, valid_classes=None, key_type=None) ->
         full_msg = msg
         if path_to_item:
             full_msg = "{0} at {1}".format(msg, render_path(path_to_item))
-        super(ApiTypeError, self).__init__(full_msg)
+        super(ApiTypeError, self).__init__(full_msg, path_to_item, valid_classes, key_type)
 
 
 class ApiValueError(OpenApiException, ValueError):
@@ -63,7 +63,7 @@ def __init__(self, msg, path_to_item=None) -> None:
         full_msg = msg
         if path_to_item:
             full_msg = "{0} at {1}".format(msg, render_path(path_to_item))
-        super(ApiValueError, self).__init__(full_msg)
+        super(ApiValueError, self).__init__(full_msg, path_to_item)
 
 
 class ApiAttributeError(OpenApiException, AttributeError):
@@ -82,7 +82,7 @@ def __init__(self, msg, path_to_item=None) -> None:
         full_msg = msg
         if path_to_item:
             full_msg = "{0} at {1}".format(msg, render_path(path_to_item))
-        super(ApiAttributeError, self).__init__(full_msg)
+        super(ApiAttributeError, self).__init__(full_msg, path_to_item)
 
 
 class ApiKeyError(OpenApiException, KeyError):
@@ -99,7 +99,7 @@ def __init__(self, msg, path_to_item=None) -> None:
         full_msg = msg
         if path_to_item:
             full_msg = "{0} at {1}".format(msg, render_path(path_to_item))
-        super(ApiKeyError, self).__init__(full_msg)
+        super(ApiKeyError, self).__init__(full_msg, path_to_item)
 
 
 class ApiException(OpenApiException):
diff --git a/services/certificates/src/stackit/certificates/models/usage.py b/services/certificates/src/stackit/certificates/models/usage.py
index 74d23f5fb..1d88236ed 100644
--- a/services/certificates/src/stackit/certificates/models/usage.py
+++ b/services/certificates/src/stackit/certificates/models/usage.py
@@ -29,7 +29,7 @@ class Usage(BaseModel):
     Usage
     """  # noqa: E501
 
-    count: Optional[StrictInt] = Field(default=None, description="Number of Load Balancers using this certificate.")
+    count: Optional[StrictInt] = Field(default=None, description="Number of listeners using this certificate.")
     items: Optional[List[UsageItem]] = Field(
         default=None, description="List of Load Balancers with their associated listeners that use this certificate."
     )
diff --git a/services/certificates/src/stackit/certificates/models/usage_item.py b/services/certificates/src/stackit/certificates/models/usage_item.py
index 11cd3d8a7..aeefad423 100644
--- a/services/certificates/src/stackit/certificates/models/usage_item.py
+++ b/services/certificates/src/stackit/certificates/models/usage_item.py
@@ -29,7 +29,7 @@ class UsageItem(BaseModel):
 
     listener_names: Optional[List[StrictStr]] = Field(
         default=None,
-        description="A list of listener names on this Load Balancer that are using the certificate.",
+        description="The list of listener names in this Load Balancer, that are using the certificate.",
         alias="listenerNames",
     )
     load_balancer_name: Optional[StrictStr] = Field(