diff --git a/Gemfile.lock b/Gemfile.lock
index 11bb37c..f3dca5b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    groupdocs_conversion_cloud (23.7)
+    groupdocs_conversion_cloud (23.8)
       addressable (~> 2.8.0, >= 2.8.0)
       faraday (~> 0.14.0)
 
diff --git a/README.md b/README.md
index c3e771b..f678de8 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ gem install groupdocs_conversion_cloud
 To add dependency to your app copy following into your Gemfile and run `bundle install`:
 
 ```
-gem "groupdocs_conversion_cloud", "~> 23.7"
+gem "groupdocs_conversion_cloud", "~> 23.8"
 ```
 
 ## Getting Started
diff --git a/lib/groupdocs_conversion_cloud.rb b/lib/groupdocs_conversion_cloud.rb
index cf6d2a0..ba07b50 100644
--- a/lib/groupdocs_conversion_cloud.rb
+++ b/lib/groupdocs_conversion_cloud.rb
@@ -25,11 +25,13 @@
 
 # Common files
 require_relative 'groupdocs_conversion_cloud/api_client'
-require_relative 'groupdocs_conversion_cloud/api_error'
+require_relative 'groupdocs_conversion_cloud/api_client_error'
 require_relative 'groupdocs_conversion_cloud/version'
 require_relative 'groupdocs_conversion_cloud/configuration'
 
 # Models
+require_relative 'groupdocs_conversion_cloud/models/api_error'
+require_relative 'groupdocs_conversion_cloud/models/api_error_response'
 require_relative 'groupdocs_conversion_cloud/models/consumption_result'
 require_relative 'groupdocs_conversion_cloud/models/convert_options'
 require_relative 'groupdocs_conversion_cloud/models/convert_settings'
diff --git a/lib/groupdocs_conversion_cloud/api_client.rb b/lib/groupdocs_conversion_cloud/api_client.rb
index 1b07f21..969aa17 100644
--- a/lib/groupdocs_conversion_cloud/api_client.rb
+++ b/lib/groupdocs_conversion_cloud/api_client.rb
@@ -31,7 +31,7 @@
 require 'mimemagic'
 require 'addressable'
 require_relative 'version'
-require_relative 'api_error'
+require_relative 'api_client_error'
 
 module GroupDocsConversionCloud
   #
@@ -69,7 +69,7 @@ def call_api(http_method, path, opts = {})
       end
 
       unless response.success?
-        raise ApiError.new(:code => response.status, :response_body => response.body)
+        raise ApiClientError.new(:code => response.status, :response_body => response.body)
       end
       
       data = deserialize(response, opts[:return_type]) if opts[:return_type]
diff --git a/lib/groupdocs_conversion_cloud/api_error.rb b/lib/groupdocs_conversion_cloud/api_client_error.rb
similarity index 90%
rename from lib/groupdocs_conversion_cloud/api_error.rb
rename to lib/groupdocs_conversion_cloud/api_client_error.rb
index 0e0771c..2273bd9 100644
--- a/lib/groupdocs_conversion_cloud/api_error.rb
+++ b/lib/groupdocs_conversion_cloud/api_client_error.rb
@@ -25,18 +25,17 @@
 
 module GroupDocsConversionCloud
   #
-  # ApiError class for error handling
+  # ApiClientError class for error handling
   #
-  class ApiError < StandardError
+  class ApiClientError < StandardError
     attr_reader :code
     attr_reader :message
 
     # Usage examples:
-    #   ApiError.new
-    #   ApiError.new(:code => 500, :response_body => "")
-    def initialize(arg = nil)
-      if arg.is_a? Hash
-        
+    #   ApiClientError.new
+    #   ApiClientError.new(:code => 500, :response_body => "")
+    def initialize(arg = nil)      
+      if arg.is_a? Hash        
         if arg.key?(:response_body) then
           data = JSON.parse(arg[:response_body], :symbolize_names => true)
           if !data.nil? then
@@ -69,3 +68,4 @@ def initialize(arg = nil)
     end
   end
 end
+
diff --git a/lib/groupdocs_conversion_cloud/models/api_error.rb b/lib/groupdocs_conversion_cloud/models/api_error.rb
new file mode 100644
index 0000000..ec78ae0
--- /dev/null
+++ b/lib/groupdocs_conversion_cloud/models/api_error.rb
@@ -0,0 +1,244 @@
+ #
+ # --------------------------------------------------------------------------------------------------------------------
+ # <copyright company="Aspose Pty Ltd" file="api_error.rb">
+ #   Copyright (c) 2003-2023 Aspose Pty Ltd
+ # </copyright>
+ # <summary>
+ #  Permission is hereby granted, free of charge, to any person obtaining a copy
+ #  of this software and associated documentation files (the "Software"), to deal
+ #  in the Software without restriction, including without limitation the rights
+ #  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ #  copies of the Software, and to permit persons to whom the Software is
+ #  furnished to do so, subject to the following conditions:
+ #
+ #  The above copyright notice and this permission notice shall be included in all
+ #  copies or substantial portions of the Software.
+ #
+ #  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ #  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ #  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ #  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ #  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ #  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ #  SOFTWARE.
+ # </summary>
+ # --------------------------------------------------------------------------------------------------------------------
+ #
+
+require 'date'
+
+module GroupDocsConversionCloud
+  
+  class ApiError
+    attr_accessor :code
+    attr_accessor :message
+    attr_accessor :description
+    attr_accessor :date_time
+    attr_accessor :inner_error
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    def self.attribute_map
+      {
+        :'code' => :'Code',
+        :'message' => :'Message',
+        :'description' => :'Description',
+        :'date_time' => :'DateTime',
+        :'inner_error' => :'InnerError'
+      }
+    end
+
+    # Attribute type mapping.
+    def self.swagger_types
+      {
+        :'code' => :'String',
+        :'message' => :'String',
+        :'description' => :'String',
+        :'date_time' => :'DateTime',
+        :'inner_error' => :'ApiError'
+      }
+    end
+
+    # Initializes the object
+    # @param [Hash] attributes Model attributes in the form of hash
+    def initialize(attributes = {})
+      return unless attributes.is_a?(Hash)
+
+      # convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h| h[k.to_sym] = v }
+
+      if attributes.key?(:'Code')
+        self.code = attributes[:'Code']
+      end
+
+      if attributes.key?(:'Message')
+        self.message = attributes[:'Message']
+      end
+
+      if attributes.key?(:'Description')
+        self.description = attributes[:'Description']
+      end
+
+      if attributes.key?(:'DateTime')
+        self.date_time = attributes[:'DateTime']
+      end
+
+      if attributes.key?(:'InnerError')
+        self.inner_error = attributes[:'InnerError']
+      end
+
+    end
+
+    # Show invalid properties with the reasons. Usually used together with valid?
+    # @return Array for valid properies with the reasons
+    def list_invalid_properties
+      invalid_properties = []
+      return invalid_properties
+    end
+
+    # Check to see if the all the properties in the model are valid
+    # @return true if the model is valid
+    def valid?
+      return true
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param [Object] Object to be compared
+    def ==(other)
+      return true if self.equal?(other)
+      self.class == other.class &&
+          code == other.code &&
+          message == other.message &&
+          description == other.description &&
+          date_time == other.date_time &&
+          inner_error == other.inner_error
+    end
+
+    # @see the `==` method
+    # @param [Object] Object to be compared
+    def eql?(other)
+      self == other
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Fixnum] Hash code
+    def hash
+      [code, message, description, date_time, inner_error].hash
+    end
+
+    # Downcases first letter.
+    # @return downcased string
+    def uncap(str)
+      str[0, 1].downcase + str[1..-1]
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def build_from_hash(attributes)
+      return nil unless attributes.is_a?(Hash)
+      self.class.swagger_types.each_pair do |key, type|
+        pname = uncap(self.class.attribute_map[key]).intern
+        value = attributes[pname]
+        if type =~ /\AArray<(.*)>/i
+          # check to ensure the input is an array given that the the attribute
+          # is documented as an array but the input is not                    
+          if value.is_a?(Array)
+            self.send("#{key}=", value.map { |v| _deserialize($1, v) })
+          end
+        elsif !value.nil?
+          self.send("#{key}=", _deserialize(type, value))
+        end
+        # or else data not found in attributes(hash), not an issue as the data can be optional
+      end
+
+      self
+    end
+
+    # Deserializes the data based on type
+    # @param string type Data type
+    # @param string value Value to be deserialized
+    # @return [Object] Deserialized data
+    def _deserialize(type, value)
+      case type.to_sym
+      when :DateTime
+        Date.parse value
+      when :Date
+        Date.parse value
+      when :String
+        value.to_s
+      when :Integer
+        value.to_i
+      when :Float
+        value.to_f
+      when :BOOLEAN
+        if value.to_s =~ /\A(true|t|yes|y|1)\z/i
+          true
+        else
+          false
+        end
+      when :Object
+        # generic object (usually a Hash), return directly
+        value
+      when /\AArray<(?<inner_type>.+)>\z/
+        inner_type = Regexp.last_match[:inner_type]
+        value.map { |v| _deserialize(inner_type, v) }
+      when /\AHash<(?<k_type>.+?), (?<v_type>.+)>\z/
+        k_type = Regexp.last_match[:k_type]
+        v_type = Regexp.last_match[:v_type]
+        {}.tap do |hash|
+          value.each do |k, v|
+            hash[_deserialize(k_type, k)] = _deserialize(v_type, v)
+          end
+        end
+      else
+      # model
+        temp_model = GroupDocsConversionCloud.const_get(type).new
+        temp_model.build_from_hash(value)
+      end
+    end
+
+    # Returns the string representation of the object
+    # @return [String] String presentation of the object
+    def to_s
+      to_hash.to_s
+    end
+
+    # to_body is an alias to to_hash (backward compatibility)
+    # @return [Hash] Returns the object in the form of hash
+    def to_body
+      to_hash
+    end
+
+    # Returns the object in the form of hash
+    # @return [Hash] Returns the object in the form of hash
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        next if value.nil?
+        hash[param] = _to_hash(value)
+      end
+      hash
+    end
+
+    # Outputs non-array value in the form of hash
+    # For object, use to_hash. Otherwise, just return the value
+    # @param [Object] value Any valid value
+    # @return [Hash] Returns the value in the form of hash
+    def _to_hash(value)
+      if value.is_a?(Array)
+        value.compact.map { |v| _to_hash(v) }
+      elsif value.is_a?(Hash)
+        {}.tap do |hash|
+          value.each { |k, v| hash[k] = _to_hash(v) }
+        end
+      elsif value.respond_to? :to_hash
+        value.to_hash
+      else
+        value
+      end
+    end
+
+  end
+
+end
diff --git a/lib/groupdocs_conversion_cloud/models/api_error_response.rb b/lib/groupdocs_conversion_cloud/models/api_error_response.rb
new file mode 100644
index 0000000..28657fd
--- /dev/null
+++ b/lib/groupdocs_conversion_cloud/models/api_error_response.rb
@@ -0,0 +1,220 @@
+ #
+ # --------------------------------------------------------------------------------------------------------------------
+ # <copyright company="Aspose Pty Ltd" file="api_error_response.rb">
+ #   Copyright (c) 2003-2023 Aspose Pty Ltd
+ # </copyright>
+ # <summary>
+ #  Permission is hereby granted, free of charge, to any person obtaining a copy
+ #  of this software and associated documentation files (the "Software"), to deal
+ #  in the Software without restriction, including without limitation the rights
+ #  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ #  copies of the Software, and to permit persons to whom the Software is
+ #  furnished to do so, subject to the following conditions:
+ #
+ #  The above copyright notice and this permission notice shall be included in all
+ #  copies or substantial portions of the Software.
+ #
+ #  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ #  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ #  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ #  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ #  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ #  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ #  SOFTWARE.
+ # </summary>
+ # --------------------------------------------------------------------------------------------------------------------
+ #
+
+require 'date'
+
+module GroupDocsConversionCloud
+  
+  class ApiErrorResponse
+    attr_accessor :request_id
+    attr_accessor :error
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    def self.attribute_map
+      {
+        :'request_id' => :'RequestId',
+        :'error' => :'Error'
+      }
+    end
+
+    # Attribute type mapping.
+    def self.swagger_types
+      {
+        :'request_id' => :'String',
+        :'error' => :'ApiError'
+      }
+    end
+
+    # Initializes the object
+    # @param [Hash] attributes Model attributes in the form of hash
+    def initialize(attributes = {})
+      return unless attributes.is_a?(Hash)
+
+      # convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h| h[k.to_sym] = v }
+
+      if attributes.key?(:'RequestId')
+        self.request_id = attributes[:'RequestId']
+      end
+
+      if attributes.key?(:'Error')
+        self.error = attributes[:'Error']
+      end
+
+    end
+
+    # Show invalid properties with the reasons. Usually used together with valid?
+    # @return Array for valid properies with the reasons
+    def list_invalid_properties
+      invalid_properties = []
+      return invalid_properties
+    end
+
+    # Check to see if the all the properties in the model are valid
+    # @return true if the model is valid
+    def valid?
+      return true
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param [Object] Object to be compared
+    def ==(other)
+      return true if self.equal?(other)
+      self.class == other.class &&
+          request_id == other.request_id &&
+          error == other.error
+    end
+
+    # @see the `==` method
+    # @param [Object] Object to be compared
+    def eql?(other)
+      self == other
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Fixnum] Hash code
+    def hash
+      [request_id, error].hash
+    end
+
+    # Downcases first letter.
+    # @return downcased string
+    def uncap(str)
+      str[0, 1].downcase + str[1..-1]
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def build_from_hash(attributes)
+      return nil unless attributes.is_a?(Hash)
+      self.class.swagger_types.each_pair do |key, type|
+        pname = uncap(self.class.attribute_map[key]).intern
+        value = attributes[pname]
+        if type =~ /\AArray<(.*)>/i
+          # check to ensure the input is an array given that the the attribute
+          # is documented as an array but the input is not                    
+          if value.is_a?(Array)
+            self.send("#{key}=", value.map { |v| _deserialize($1, v) })
+          end
+        elsif !value.nil?
+          self.send("#{key}=", _deserialize(type, value))
+        end
+        # or else data not found in attributes(hash), not an issue as the data can be optional
+      end
+
+      self
+    end
+
+    # Deserializes the data based on type
+    # @param string type Data type
+    # @param string value Value to be deserialized
+    # @return [Object] Deserialized data
+    def _deserialize(type, value)
+      case type.to_sym
+      when :DateTime
+        Date.parse value
+      when :Date
+        Date.parse value
+      when :String
+        value.to_s
+      when :Integer
+        value.to_i
+      when :Float
+        value.to_f
+      when :BOOLEAN
+        if value.to_s =~ /\A(true|t|yes|y|1)\z/i
+          true
+        else
+          false
+        end
+      when :Object
+        # generic object (usually a Hash), return directly
+        value
+      when /\AArray<(?<inner_type>.+)>\z/
+        inner_type = Regexp.last_match[:inner_type]
+        value.map { |v| _deserialize(inner_type, v) }
+      when /\AHash<(?<k_type>.+?), (?<v_type>.+)>\z/
+        k_type = Regexp.last_match[:k_type]
+        v_type = Regexp.last_match[:v_type]
+        {}.tap do |hash|
+          value.each do |k, v|
+            hash[_deserialize(k_type, k)] = _deserialize(v_type, v)
+          end
+        end
+      else
+      # model
+        temp_model = GroupDocsConversionCloud.const_get(type).new
+        temp_model.build_from_hash(value)
+      end
+    end
+
+    # Returns the string representation of the object
+    # @return [String] String presentation of the object
+    def to_s
+      to_hash.to_s
+    end
+
+    # to_body is an alias to to_hash (backward compatibility)
+    # @return [Hash] Returns the object in the form of hash
+    def to_body
+      to_hash
+    end
+
+    # Returns the object in the form of hash
+    # @return [Hash] Returns the object in the form of hash
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        next if value.nil?
+        hash[param] = _to_hash(value)
+      end
+      hash
+    end
+
+    # Outputs non-array value in the form of hash
+    # For object, use to_hash. Otherwise, just return the value
+    # @param [Object] value Any valid value
+    # @return [Hash] Returns the value in the form of hash
+    def _to_hash(value)
+      if value.is_a?(Array)
+        value.compact.map { |v| _to_hash(v) }
+      elsif value.is_a?(Hash)
+        {}.tap do |hash|
+          value.each { |k, v| hash[k] = _to_hash(v) }
+        end
+      elsif value.respond_to? :to_hash
+        value.to_hash
+      else
+        value
+      end
+    end
+
+  end
+
+end
diff --git a/lib/groupdocs_conversion_cloud/version.rb b/lib/groupdocs_conversion_cloud/version.rb
index ee3d933..c84662d 100644
--- a/lib/groupdocs_conversion_cloud/version.rb
+++ b/lib/groupdocs_conversion_cloud/version.rb
@@ -25,5 +25,5 @@
  # --------------------------------------------------------------------------------------------------------------------
  #
 module GroupDocsConversionCloud
-  VERSION = "23.7".freeze
+  VERSION = "23.8".freeze
 end
diff --git a/test/api/test_auth_api.rb b/test/api/test_auth_api.rb
index 973f704..6e1477f 100644
--- a/test/api/test_auth_api.rb
+++ b/test/api/test_auth_api.rb
@@ -50,7 +50,7 @@ def test_auth_error_when_app_sid_not_found
       info_api = init_conversion_api(app_sid, app_key)
       request = GetSupportedConversionTypesRequest.new
 
-      error = assert_raises ApiError do
+      error = assert_raises ApiClientError do
         info_api.get_supported_conversion_types(request)
       end
 
@@ -65,7 +65,7 @@ def test_auth_error_when_app_key_not_found
       info_api = init_conversion_api(app_sid, app_key)
       request = GetSupportedConversionTypesRequest.new
 
-      error = assert_raises ApiError do
+      error = assert_raises ApiClientError do
         info_api.get_supported_conversion_types(request)
       end
 
diff --git a/test/api/test_info_api.rb b/test/api/test_info_api.rb
index 3573f35..e70757c 100644
--- a/test/api/test_info_api.rb
+++ b/test/api/test_info_api.rb
@@ -55,7 +55,7 @@ def test_get_document_metadata
 
     def test_GetInfoReturnsFileNotFound
       request = GetDocumentMetadataRequest.new(TestFile.not_exist.path)
-      error = assert_raises ApiError do
+      error = assert_raises ApiClientError do
         @info_api.get_document_metadata(request)
       end
       assert_equal true, error.message.include?("AmazonS3 Storage exception: The specified key does not exist.")