diff --git a/.openapi-generator/FILES b/.openapi-generator/FILES
index 33ecf2a..1fc0bbb 100644
--- a/.openapi-generator/FILES
+++ b/.openapi-generator/FILES
@@ -8,6 +8,8 @@ lib/tremendous/models/allow_email1.rb
 lib/tremendous/models/allow_ip.rb
 lib/tremendous/models/allow_ip1.rb
 lib/tremendous/models/balance_transaction.rb
+lib/tremendous/models/balance_transaction_order.rb
+lib/tremendous/models/balance_transaction_order_payment.rb
 lib/tremendous/models/base_order_for_create.rb
 lib/tremendous/models/campaign.rb
 lib/tremendous/models/campaign_base.rb
@@ -65,6 +67,7 @@ lib/tremendous/models/fraud_review_list_item.rb
 lib/tremendous/models/fraud_review_reason.rb
 lib/tremendous/models/fraud_review_redemption_method.rb
 lib/tremendous/models/fraud_review_related_rewards.rb
+lib/tremendous/models/fraud_review_risk.rb
 lib/tremendous/models/fraud_review_status.rb
 lib/tremendous/models/fraud_rule200_response.rb
 lib/tremendous/models/fraud_rule400_response.rb
@@ -93,6 +96,8 @@ lib/tremendous/models/get_reward200_response.rb
 lib/tremendous/models/invoice.rb
 lib/tremendous/models/list_balance_transactions200_response.rb
 lib/tremendous/models/list_balance_transactions200_response_transactions_inner.rb
+lib/tremendous/models/list_balance_transactions200_response_transactions_inner_order.rb
+lib/tremendous/models/list_balance_transactions200_response_transactions_inner_order_payment.rb
 lib/tremendous/models/list_campaigns200_response.rb
 lib/tremendous/models/list_campaigns200_response_campaigns_inner.rb
 lib/tremendous/models/list_campaigns200_response_campaigns_inner_email_style.rb
diff --git a/lib/tremendous.rb b/lib/tremendous.rb
index a3ea41c..d919bee 100644
--- a/lib/tremendous.rb
+++ b/lib/tremendous.rb
@@ -22,6 +22,8 @@
 require 'tremendous/models/allow_ip'
 require 'tremendous/models/allow_ip1'
 require 'tremendous/models/balance_transaction'
+require 'tremendous/models/balance_transaction_order'
+require 'tremendous/models/balance_transaction_order_payment'
 require 'tremendous/models/base_order_for_create'
 require 'tremendous/models/campaign'
 require 'tremendous/models/campaign_base'
@@ -79,6 +81,7 @@
 require 'tremendous/models/fraud_review_reason'
 require 'tremendous/models/fraud_review_redemption_method'
 require 'tremendous/models/fraud_review_related_rewards'
+require 'tremendous/models/fraud_review_risk'
 require 'tremendous/models/fraud_review_status'
 require 'tremendous/models/fraud_rule200_response'
 require 'tremendous/models/fraud_rule400_response'
@@ -107,6 +110,8 @@
 require 'tremendous/models/invoice'
 require 'tremendous/models/list_balance_transactions200_response'
 require 'tremendous/models/list_balance_transactions200_response_transactions_inner'
+require 'tremendous/models/list_balance_transactions200_response_transactions_inner_order'
+require 'tremendous/models/list_balance_transactions200_response_transactions_inner_order_payment'
 require 'tremendous/models/list_campaigns200_response'
 require 'tremendous/models/list_campaigns200_response_campaigns_inner'
 require 'tremendous/models/list_campaigns200_response_campaigns_inner_email_style'
diff --git a/lib/tremendous/models/balance_transaction.rb b/lib/tremendous/models/balance_transaction.rb
index f31c712..e6c1792 100644
--- a/lib/tremendous/models/balance_transaction.rb
+++ b/lib/tremendous/models/balance_transaction.rb
@@ -31,6 +31,8 @@ class BalanceTransaction
     # A brief description of the transaction
     attr_accessor :description
 
+    attr_accessor :order
+
     # Attribute mapping from ruby-style variable name to JSON key.
     def self.attribute_map
       {
@@ -38,7 +40,8 @@ def self.attribute_map
         :'amount' => :'amount',
         :'balance' => :'balance',
         :'action' => :'action',
-        :'description' => :'description'
+        :'description' => :'description',
+        :'order' => :'order'
       }
     end
 
@@ -54,7 +57,8 @@ def self.openapi_types
         :'amount' => :'Float',
         :'balance' => :'Float',
         :'action' => :'String',
-        :'description' => :'String'
+        :'description' => :'String',
+        :'order' => :'BalanceTransactionOrder'
       }
     end
 
@@ -108,6 +112,10 @@ def initialize(attributes = {})
       else
         self.description = nil
       end
+
+      if attributes.key?(:'order')
+        self.order = attributes[:'order']
+      end
     end
 
     # Show invalid properties with the reasons. Usually used together with valid?
@@ -159,7 +167,8 @@ def ==(o)
           amount == o.amount &&
           balance == o.balance &&
           action == o.action &&
-          description == o.description
+          description == o.description &&
+          order == o.order
     end
 
     # @see the `==` method
@@ -171,7 +180,7 @@ def eql?(o)
     # Calculates hash code according to all attributes.
     # @return [Integer] Hash code
     def hash
-      [created_at, amount, balance, action, description].hash
+      [created_at, amount, balance, action, description, order].hash
     end
 
     # Builds the object from hash
diff --git a/lib/tremendous/models/balance_transaction_order.rb b/lib/tremendous/models/balance_transaction_order.rb
new file mode 100644
index 0000000..a967805
--- /dev/null
+++ b/lib/tremendous/models/balance_transaction_order.rb
@@ -0,0 +1,256 @@
+=begin
+#API Endpoints
+
+#Deliver monetary rewards and incentives to employees, customers, survey participants, and more through the Tremendous API. For organizational tasks, like managing your organization and it's members within Tremendous, please see the Tremendous Organizational API.
+
+The version of the OpenAPI document: 2
+Contact: developers@tremendous.com
+Generated by: https://openapi-generator.tech
+Generator version: 7.8.0
+
+=end
+
+require 'date'
+require 'time'
+
+module Tremendous
+  # Order details
+  class BalanceTransactionOrder
+    attr_accessor :id
+
+    # Reference for this order, supplied by the customer.  When set, `external_id` makes order idempotent. All requests that use the same `external_id` after the initial order creation, will result in a response that returns the data of the initially created order. The response will have a `201` response code. These responses **fail** to create any further orders.  It also allows for retrieving by `external_id` instead of `id` only. 
+    attr_accessor :external_id
+
+    attr_accessor :payment
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    def self.attribute_map
+      {
+        :'id' => :'id',
+        :'external_id' => :'external_id',
+        :'payment' => :'payment'
+      }
+    end
+
+    # Returns all the JSON keys this model knows about
+    def self.acceptable_attributes
+      attribute_map.values
+    end
+
+    # Attribute type mapping.
+    def self.openapi_types
+      {
+        :'id' => :'String',
+        :'external_id' => :'String',
+        :'payment' => :'BalanceTransactionOrderPayment'
+      }
+    end
+
+    # List of attributes with nullable: true
+    def self.openapi_nullable
+      Set.new([
+        :'external_id',
+      ])
+    end
+
+    # Initializes the object
+    # @param [Hash] attributes Model attributes in the form of hash
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `Tremendous::BalanceTransactionOrder` initialize method"
+      end
+
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Tremendous::BalanceTransactionOrder`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+        end
+        h[k.to_sym] = v
+      }
+
+      if attributes.key?(:'id')
+        self.id = attributes[:'id']
+      end
+
+      if attributes.key?(:'external_id')
+        self.external_id = attributes[:'external_id']
+      end
+
+      if attributes.key?(:'payment')
+        self.payment = attributes[:'payment']
+      end
+    end
+
+    # Show invalid properties with the reasons. Usually used together with valid?
+    # @return Array for valid properties with the reasons
+    def list_invalid_properties
+      warn '[DEPRECATED] the `list_invalid_properties` method is obsolete'
+      invalid_properties = Array.new
+      pattern = Regexp.new(/[A-Z0-9]{4,20}/)
+      if !@id.nil? && @id !~ pattern
+        invalid_properties.push("invalid value for \"id\", must conform to the pattern #{pattern}.")
+      end
+
+      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?
+      warn '[DEPRECATED] the `valid?` method is obsolete'
+      return false if !@id.nil? && @id !~ Regexp.new(/[A-Z0-9]{4,20}/)
+      true
+    end
+
+    # Custom attribute writer method with validation
+    # @param [Object] id Value to be assigned
+    def id=(id)
+      if id.nil?
+        fail ArgumentError, 'id cannot be nil'
+      end
+
+      pattern = Regexp.new(/[A-Z0-9]{4,20}/)
+      if id !~ pattern
+        fail ArgumentError, "invalid value for \"id\", must conform to the pattern #{pattern}."
+      end
+
+      @id = id
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param [Object] Object to be compared
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          id == o.id &&
+          external_id == o.external_id &&
+          payment == o.payment
+    end
+
+    # @see the `==` method
+    # @param [Object] Object to be compared
+    def eql?(o)
+      self == o
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    def hash
+      [id, external_id, payment].hash
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def self.build_from_hash(attributes)
+      return nil unless attributes.is_a?(Hash)
+      attributes = attributes.transform_keys(&:to_sym)
+      transformed_hash = {}
+      openapi_types.each_pair do |key, type|
+        if attributes.key?(attribute_map[key]) && attributes[attribute_map[key]].nil?
+          transformed_hash["#{key}"] = nil
+        elsif type =~ /\AArray<(.*)>/i
+          # check to ensure the input is an array given that the attribute
+          # is documented as an array but the input is not
+          if attributes[attribute_map[key]].is_a?(Array)
+            transformed_hash["#{key}"] = attributes[attribute_map[key]].map { |v| _deserialize($1, v) }
+          end
+        elsif !attributes[attribute_map[key]].nil?
+          transformed_hash["#{key}"] = _deserialize(type, attributes[attribute_map[key]])
+        end
+      end
+      new(transformed_hash)
+    end
+
+    # Deserializes the data based on type
+    # @param string type Data type
+    # @param string value Value to be deserialized
+    # @return [Object] Deserialized data
+    def self._deserialize(type, value)
+      case type.to_sym
+      when :Time
+        Time.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
+        # models (e.g. Pet) or oneOf
+        klass = Tremendous.const_get(type)
+        klass.respond_to?(:openapi_any_of) || klass.respond_to?(:openapi_one_of) ? klass.build(value) : klass.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)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        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/tremendous/models/balance_transaction_order_payment.rb b/lib/tremendous/models/balance_transaction_order_payment.rb
new file mode 100644
index 0000000..d9da87b
--- /dev/null
+++ b/lib/tremendous/models/balance_transaction_order_payment.rb
@@ -0,0 +1,358 @@
+=begin
+#API Endpoints
+
+#Deliver monetary rewards and incentives to employees, customers, survey participants, and more through the Tremendous API. For organizational tasks, like managing your organization and it's members within Tremendous, please see the Tremendous Organizational API.
+
+The version of the OpenAPI document: 2
+Contact: developers@tremendous.com
+Generated by: https://openapi-generator.tech
+Generator version: 7.8.0
+
+=end
+
+require 'date'
+require 'time'
+
+module Tremendous
+  class BalanceTransactionOrderPayment
+    # Total price of the order before fees (in USD)
+    attr_accessor :subtotal
+
+    # Total price of the order including fees (in USD)
+    attr_accessor :total
+
+    # Fees for the order (in USD)
+    attr_accessor :fees
+
+    # Discount for the order (in USD)
+    attr_accessor :discount
+
+    attr_accessor :refund
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    def self.attribute_map
+      {
+        :'subtotal' => :'subtotal',
+        :'total' => :'total',
+        :'fees' => :'fees',
+        :'discount' => :'discount',
+        :'refund' => :'refund'
+      }
+    end
+
+    # Returns all the JSON keys this model knows about
+    def self.acceptable_attributes
+      attribute_map.values
+    end
+
+    # Attribute type mapping.
+    def self.openapi_types
+      {
+        :'subtotal' => :'Float',
+        :'total' => :'Float',
+        :'fees' => :'Float',
+        :'discount' => :'Float',
+        :'refund' => :'PaymentDetailsRefund'
+      }
+    end
+
+    # List of attributes with nullable: true
+    def self.openapi_nullable
+      Set.new([
+      ])
+    end
+
+    # Initializes the object
+    # @param [Hash] attributes Model attributes in the form of hash
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `Tremendous::BalanceTransactionOrderPayment` initialize method"
+      end
+
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Tremendous::BalanceTransactionOrderPayment`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+        end
+        h[k.to_sym] = v
+      }
+
+      if attributes.key?(:'subtotal')
+        self.subtotal = attributes[:'subtotal']
+      else
+        self.subtotal = nil
+      end
+
+      if attributes.key?(:'total')
+        self.total = attributes[:'total']
+      else
+        self.total = nil
+      end
+
+      if attributes.key?(:'fees')
+        self.fees = attributes[:'fees']
+      else
+        self.fees = nil
+      end
+
+      if attributes.key?(:'discount')
+        self.discount = attributes[:'discount']
+      else
+        self.discount = nil
+      end
+
+      if attributes.key?(:'refund')
+        self.refund = attributes[:'refund']
+      end
+    end
+
+    # Show invalid properties with the reasons. Usually used together with valid?
+    # @return Array for valid properties with the reasons
+    def list_invalid_properties
+      warn '[DEPRECATED] the `list_invalid_properties` method is obsolete'
+      invalid_properties = Array.new
+      if @subtotal.nil?
+        invalid_properties.push('invalid value for "subtotal", subtotal cannot be nil.')
+      end
+
+      if @subtotal < 0
+        invalid_properties.push('invalid value for "subtotal", must be greater than or equal to 0.')
+      end
+
+      if @total.nil?
+        invalid_properties.push('invalid value for "total", total cannot be nil.')
+      end
+
+      if @total < 0
+        invalid_properties.push('invalid value for "total", must be greater than or equal to 0.')
+      end
+
+      if @fees.nil?
+        invalid_properties.push('invalid value for "fees", fees cannot be nil.')
+      end
+
+      if @fees < 0
+        invalid_properties.push('invalid value for "fees", must be greater than or equal to 0.')
+      end
+
+      if @discount.nil?
+        invalid_properties.push('invalid value for "discount", discount cannot be nil.')
+      end
+
+      if @discount < 0
+        invalid_properties.push('invalid value for "discount", must be greater than or equal to 0.')
+      end
+
+      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?
+      warn '[DEPRECATED] the `valid?` method is obsolete'
+      return false if @subtotal.nil?
+      return false if @subtotal < 0
+      return false if @total.nil?
+      return false if @total < 0
+      return false if @fees.nil?
+      return false if @fees < 0
+      return false if @discount.nil?
+      return false if @discount < 0
+      true
+    end
+
+    # Custom attribute writer method with validation
+    # @param [Object] subtotal Value to be assigned
+    def subtotal=(subtotal)
+      if subtotal.nil?
+        fail ArgumentError, 'subtotal cannot be nil'
+      end
+
+      if subtotal < 0
+        fail ArgumentError, 'invalid value for "subtotal", must be greater than or equal to 0.'
+      end
+
+      @subtotal = subtotal
+    end
+
+    # Custom attribute writer method with validation
+    # @param [Object] total Value to be assigned
+    def total=(total)
+      if total.nil?
+        fail ArgumentError, 'total cannot be nil'
+      end
+
+      if total < 0
+        fail ArgumentError, 'invalid value for "total", must be greater than or equal to 0.'
+      end
+
+      @total = total
+    end
+
+    # Custom attribute writer method with validation
+    # @param [Object] fees Value to be assigned
+    def fees=(fees)
+      if fees.nil?
+        fail ArgumentError, 'fees cannot be nil'
+      end
+
+      if fees < 0
+        fail ArgumentError, 'invalid value for "fees", must be greater than or equal to 0.'
+      end
+
+      @fees = fees
+    end
+
+    # Custom attribute writer method with validation
+    # @param [Object] discount Value to be assigned
+    def discount=(discount)
+      if discount.nil?
+        fail ArgumentError, 'discount cannot be nil'
+      end
+
+      if discount < 0
+        fail ArgumentError, 'invalid value for "discount", must be greater than or equal to 0.'
+      end
+
+      @discount = discount
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param [Object] Object to be compared
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          subtotal == o.subtotal &&
+          total == o.total &&
+          fees == o.fees &&
+          discount == o.discount &&
+          refund == o.refund
+    end
+
+    # @see the `==` method
+    # @param [Object] Object to be compared
+    def eql?(o)
+      self == o
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    def hash
+      [subtotal, total, fees, discount, refund].hash
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def self.build_from_hash(attributes)
+      return nil unless attributes.is_a?(Hash)
+      attributes = attributes.transform_keys(&:to_sym)
+      transformed_hash = {}
+      openapi_types.each_pair do |key, type|
+        if attributes.key?(attribute_map[key]) && attributes[attribute_map[key]].nil?
+          transformed_hash["#{key}"] = nil
+        elsif type =~ /\AArray<(.*)>/i
+          # check to ensure the input is an array given that the attribute
+          # is documented as an array but the input is not
+          if attributes[attribute_map[key]].is_a?(Array)
+            transformed_hash["#{key}"] = attributes[attribute_map[key]].map { |v| _deserialize($1, v) }
+          end
+        elsif !attributes[attribute_map[key]].nil?
+          transformed_hash["#{key}"] = _deserialize(type, attributes[attribute_map[key]])
+        end
+      end
+      new(transformed_hash)
+    end
+
+    # Deserializes the data based on type
+    # @param string type Data type
+    # @param string value Value to be deserialized
+    # @return [Object] Deserialized data
+    def self._deserialize(type, value)
+      case type.to_sym
+      when :Time
+        Time.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
+        # models (e.g. Pet) or oneOf
+        klass = Tremendous.const_get(type)
+        klass.respond_to?(:openapi_any_of) || klass.respond_to?(:openapi_one_of) ? klass.build(value) : klass.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)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        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/tremendous/models/fraud_review.rb b/lib/tremendous/models/fraud_review.rb
index 4f723f1..927e0c7 100644
--- a/lib/tremendous/models/fraud_review.rb
+++ b/lib/tremendous/models/fraud_review.rb
@@ -19,6 +19,9 @@ class FraudReview
     # The current status of the fraud review:  * `flagged` - The reward has been flagged for and waiting manual review. * `blocked` - The reward was reviewed and blocked. * `released` - The reward was reviewed and released. 
     attr_accessor :status
 
+    # The fraud risk associated with the reward.
+    attr_accessor :risk
+
     # The array may contain multiple reasons, depending on which rule(s) flagged the reward for review. Reasons can be any of the following:  * `Disallowed IP` * `Disallowed email` * `Disallowed country` * `Over reward dollar limit` * `Over reward count limit` * `VPN detected` * `Device related to multiple emails` * `Device or account related to multiple emails` * `IP on a Tremendous fraud list` * `Bank account on a Tremendous fraud list` * `Fingerprint on a Tremendous fraud list` * `Email on a Tremendous fraud list` * `Phone on a Tremendous fraud list` * `IP related to a blocked reward` * `Bank account related to a blocked reward` * `Fingerprint related to a blocked reward` * `Email related to a blocked reward` * `Phone related to a blocked reward` * `Allowed IP` * `Allowed email` 
     attr_accessor :reasons
 
@@ -69,6 +72,7 @@ def valid?(value)
     def self.attribute_map
       {
         :'status' => :'status',
+        :'risk' => :'risk',
         :'reasons' => :'reasons',
         :'reviewed_by' => :'reviewed_by',
         :'reviewed_at' => :'reviewed_at',
@@ -90,6 +94,7 @@ def self.acceptable_attributes
     def self.openapi_types
       {
         :'status' => :'String',
+        :'risk' => :'String',
         :'reasons' => :'Array<String>',
         :'reviewed_by' => :'String',
         :'reviewed_at' => :'Time',
@@ -127,6 +132,10 @@ def initialize(attributes = {})
         self.status = attributes[:'status']
       end
 
+      if attributes.key?(:'risk')
+        self.risk = attributes[:'risk']
+      end
+
       if attributes.key?(:'reasons')
         if (value = attributes[:'reasons']).is_a?(Array)
           self.reasons = value
@@ -180,6 +189,8 @@ def valid?
       warn '[DEPRECATED] the `valid?` method is obsolete'
       status_validator = EnumAttributeValidator.new('String', ["flagged", "blocked", "released"])
       return false unless status_validator.valid?(@status)
+      risk_validator = EnumAttributeValidator.new('String', ["high", "medium", "low"])
+      return false unless risk_validator.valid?(@risk)
       redemption_method_validator = EnumAttributeValidator.new('String', ["paypal", "bank", "merchant card", "visa card", "charity", "venmo"])
       return false unless redemption_method_validator.valid?(@redemption_method)
       true
@@ -195,6 +206,16 @@ def status=(status)
       @status = status
     end
 
+    # Custom attribute writer method checking allowed values (enum).
+    # @param [Object] risk Object to be assigned
+    def risk=(risk)
+      validator = EnumAttributeValidator.new('String', ["high", "medium", "low"])
+      unless validator.valid?(risk)
+        fail ArgumentError, "invalid value for \"risk\", must be one of #{validator.allowable_values}."
+      end
+      @risk = risk
+    end
+
     # Custom attribute writer method checking allowed values (enum).
     # @param [Object] redemption_method Object to be assigned
     def redemption_method=(redemption_method)
@@ -211,6 +232,7 @@ def ==(o)
       return true if self.equal?(o)
       self.class == o.class &&
           status == o.status &&
+          risk == o.risk &&
           reasons == o.reasons &&
           reviewed_by == o.reviewed_by &&
           reviewed_at == o.reviewed_at &&
@@ -231,7 +253,7 @@ def eql?(o)
     # Calculates hash code according to all attributes.
     # @return [Integer] Hash code
     def hash
-      [status, reasons, reviewed_by, reviewed_at, related_rewards, device_id, redemption_method, redeemed_at, geo, reward].hash
+      [status, risk, reasons, reviewed_by, reviewed_at, related_rewards, device_id, redemption_method, redeemed_at, geo, reward].hash
     end
 
     # Builds the object from hash
diff --git a/lib/tremendous/models/fraud_review_risk.rb b/lib/tremendous/models/fraud_review_risk.rb
new file mode 100644
index 0000000..8f7bf4b
--- /dev/null
+++ b/lib/tremendous/models/fraud_review_risk.rb
@@ -0,0 +1,41 @@
+=begin
+#API Endpoints
+
+#Deliver monetary rewards and incentives to employees, customers, survey participants, and more through the Tremendous API. For organizational tasks, like managing your organization and it's members within Tremendous, please see the Tremendous Organizational API.
+
+The version of the OpenAPI document: 2
+Contact: developers@tremendous.com
+Generated by: https://openapi-generator.tech
+Generator version: 7.8.0
+
+=end
+
+require 'date'
+require 'time'
+
+module Tremendous
+  class FraudReviewRisk
+    HIGH = "high".freeze
+    MEDIUM = "medium".freeze
+    LOW = "low".freeze
+
+    def self.all_vars
+      @all_vars ||= [HIGH, MEDIUM, LOW].freeze
+    end
+
+    # Builds the enum from string
+    # @param [String] The enum value in the form of the string
+    # @return [String] The enum value
+    def self.build_from_hash(value)
+      new.build_from_hash(value)
+    end
+
+    # Builds the enum from string
+    # @param [String] The enum value in the form of the string
+    # @return [String] The enum value
+    def build_from_hash(value)
+      return value if FraudReviewRisk.all_vars.include?(value)
+      raise "Invalid ENUM value #{value} for class #FraudReviewRisk"
+    end
+  end
+end
diff --git a/lib/tremendous/models/get_fraud_review200_response_fraud_review.rb b/lib/tremendous/models/get_fraud_review200_response_fraud_review.rb
index eff55bb..3c2df06 100644
--- a/lib/tremendous/models/get_fraud_review200_response_fraud_review.rb
+++ b/lib/tremendous/models/get_fraud_review200_response_fraud_review.rb
@@ -19,6 +19,9 @@ class GetFraudReview200ResponseFraudReview
     # The current status of the fraud review:  * `flagged` - The reward has been flagged for and waiting manual review. * `blocked` - The reward was reviewed and blocked. * `released` - The reward was reviewed and released. 
     attr_accessor :status
 
+    # The fraud risk associated with the reward.
+    attr_accessor :risk
+
     # The array may contain multiple reasons, depending on which rule(s) flagged the reward for review. Reasons can be any of the following:  * `Disallowed IP` * `Disallowed email` * `Disallowed country` * `Over reward dollar limit` * `Over reward count limit` * `VPN detected` * `Device related to multiple emails` * `Device or account related to multiple emails` * `IP on a Tremendous fraud list` * `Bank account on a Tremendous fraud list` * `Fingerprint on a Tremendous fraud list` * `Email on a Tremendous fraud list` * `Phone on a Tremendous fraud list` * `IP related to a blocked reward` * `Bank account related to a blocked reward` * `Fingerprint related to a blocked reward` * `Email related to a blocked reward` * `Phone related to a blocked reward` * `Allowed IP` * `Allowed email` 
     attr_accessor :reasons
 
@@ -69,6 +72,7 @@ def valid?(value)
     def self.attribute_map
       {
         :'status' => :'status',
+        :'risk' => :'risk',
         :'reasons' => :'reasons',
         :'reviewed_by' => :'reviewed_by',
         :'reviewed_at' => :'reviewed_at',
@@ -90,6 +94,7 @@ def self.acceptable_attributes
     def self.openapi_types
       {
         :'status' => :'String',
+        :'risk' => :'String',
         :'reasons' => :'Array<String>',
         :'reviewed_by' => :'String',
         :'reviewed_at' => :'Time',
@@ -127,6 +132,10 @@ def initialize(attributes = {})
         self.status = attributes[:'status']
       end
 
+      if attributes.key?(:'risk')
+        self.risk = attributes[:'risk']
+      end
+
       if attributes.key?(:'reasons')
         if (value = attributes[:'reasons']).is_a?(Array)
           self.reasons = value
@@ -180,6 +189,8 @@ def valid?
       warn '[DEPRECATED] the `valid?` method is obsolete'
       status_validator = EnumAttributeValidator.new('String', ["flagged", "blocked", "released"])
       return false unless status_validator.valid?(@status)
+      risk_validator = EnumAttributeValidator.new('String', ["high", "medium", "low"])
+      return false unless risk_validator.valid?(@risk)
       redemption_method_validator = EnumAttributeValidator.new('String', ["paypal", "bank", "merchant card", "visa card", "charity", "venmo"])
       return false unless redemption_method_validator.valid?(@redemption_method)
       true
@@ -195,6 +206,16 @@ def status=(status)
       @status = status
     end
 
+    # Custom attribute writer method checking allowed values (enum).
+    # @param [Object] risk Object to be assigned
+    def risk=(risk)
+      validator = EnumAttributeValidator.new('String', ["high", "medium", "low"])
+      unless validator.valid?(risk)
+        fail ArgumentError, "invalid value for \"risk\", must be one of #{validator.allowable_values}."
+      end
+      @risk = risk
+    end
+
     # Custom attribute writer method checking allowed values (enum).
     # @param [Object] redemption_method Object to be assigned
     def redemption_method=(redemption_method)
@@ -211,6 +232,7 @@ def ==(o)
       return true if self.equal?(o)
       self.class == o.class &&
           status == o.status &&
+          risk == o.risk &&
           reasons == o.reasons &&
           reviewed_by == o.reviewed_by &&
           reviewed_at == o.reviewed_at &&
@@ -231,7 +253,7 @@ def eql?(o)
     # Calculates hash code according to all attributes.
     # @return [Integer] Hash code
     def hash
-      [status, reasons, reviewed_by, reviewed_at, related_rewards, device_id, redemption_method, redeemed_at, geo, reward].hash
+      [status, risk, reasons, reviewed_by, reviewed_at, related_rewards, device_id, redemption_method, redeemed_at, geo, reward].hash
     end
 
     # Builds the object from hash
diff --git a/lib/tremendous/models/list_balance_transactions200_response_transactions_inner.rb b/lib/tremendous/models/list_balance_transactions200_response_transactions_inner.rb
index c7da343..b695893 100644
--- a/lib/tremendous/models/list_balance_transactions200_response_transactions_inner.rb
+++ b/lib/tremendous/models/list_balance_transactions200_response_transactions_inner.rb
@@ -31,6 +31,8 @@ class ListBalanceTransactions200ResponseTransactionsInner
     # A brief description of the transaction
     attr_accessor :description
 
+    attr_accessor :order
+
     # Attribute mapping from ruby-style variable name to JSON key.
     def self.attribute_map
       {
@@ -38,7 +40,8 @@ def self.attribute_map
         :'amount' => :'amount',
         :'balance' => :'balance',
         :'action' => :'action',
-        :'description' => :'description'
+        :'description' => :'description',
+        :'order' => :'order'
       }
     end
 
@@ -54,7 +57,8 @@ def self.openapi_types
         :'amount' => :'Float',
         :'balance' => :'Float',
         :'action' => :'String',
-        :'description' => :'String'
+        :'description' => :'String',
+        :'order' => :'ListBalanceTransactions200ResponseTransactionsInnerOrder'
       }
     end
 
@@ -108,6 +112,10 @@ def initialize(attributes = {})
       else
         self.description = nil
       end
+
+      if attributes.key?(:'order')
+        self.order = attributes[:'order']
+      end
     end
 
     # Show invalid properties with the reasons. Usually used together with valid?
@@ -159,7 +167,8 @@ def ==(o)
           amount == o.amount &&
           balance == o.balance &&
           action == o.action &&
-          description == o.description
+          description == o.description &&
+          order == o.order
     end
 
     # @see the `==` method
@@ -171,7 +180,7 @@ def eql?(o)
     # Calculates hash code according to all attributes.
     # @return [Integer] Hash code
     def hash
-      [created_at, amount, balance, action, description].hash
+      [created_at, amount, balance, action, description, order].hash
     end
 
     # Builds the object from hash
diff --git a/lib/tremendous/models/list_balance_transactions200_response_transactions_inner_order.rb b/lib/tremendous/models/list_balance_transactions200_response_transactions_inner_order.rb
new file mode 100644
index 0000000..40b35ee
--- /dev/null
+++ b/lib/tremendous/models/list_balance_transactions200_response_transactions_inner_order.rb
@@ -0,0 +1,256 @@
+=begin
+#API Endpoints
+
+#Deliver monetary rewards and incentives to employees, customers, survey participants, and more through the Tremendous API. For organizational tasks, like managing your organization and it's members within Tremendous, please see the Tremendous Organizational API.
+
+The version of the OpenAPI document: 2
+Contact: developers@tremendous.com
+Generated by: https://openapi-generator.tech
+Generator version: 7.8.0
+
+=end
+
+require 'date'
+require 'time'
+
+module Tremendous
+  # Order details
+  class ListBalanceTransactions200ResponseTransactionsInnerOrder
+    attr_accessor :id
+
+    # Reference for this order, supplied by the customer.  When set, `external_id` makes order idempotent. All requests that use the same `external_id` after the initial order creation, will result in a response that returns the data of the initially created order. The response will have a `201` response code. These responses **fail** to create any further orders.  It also allows for retrieving by `external_id` instead of `id` only. 
+    attr_accessor :external_id
+
+    attr_accessor :payment
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    def self.attribute_map
+      {
+        :'id' => :'id',
+        :'external_id' => :'external_id',
+        :'payment' => :'payment'
+      }
+    end
+
+    # Returns all the JSON keys this model knows about
+    def self.acceptable_attributes
+      attribute_map.values
+    end
+
+    # Attribute type mapping.
+    def self.openapi_types
+      {
+        :'id' => :'String',
+        :'external_id' => :'String',
+        :'payment' => :'ListBalanceTransactions200ResponseTransactionsInnerOrderPayment'
+      }
+    end
+
+    # List of attributes with nullable: true
+    def self.openapi_nullable
+      Set.new([
+        :'external_id',
+      ])
+    end
+
+    # Initializes the object
+    # @param [Hash] attributes Model attributes in the form of hash
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `Tremendous::ListBalanceTransactions200ResponseTransactionsInnerOrder` initialize method"
+      end
+
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Tremendous::ListBalanceTransactions200ResponseTransactionsInnerOrder`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+        end
+        h[k.to_sym] = v
+      }
+
+      if attributes.key?(:'id')
+        self.id = attributes[:'id']
+      end
+
+      if attributes.key?(:'external_id')
+        self.external_id = attributes[:'external_id']
+      end
+
+      if attributes.key?(:'payment')
+        self.payment = attributes[:'payment']
+      end
+    end
+
+    # Show invalid properties with the reasons. Usually used together with valid?
+    # @return Array for valid properties with the reasons
+    def list_invalid_properties
+      warn '[DEPRECATED] the `list_invalid_properties` method is obsolete'
+      invalid_properties = Array.new
+      pattern = Regexp.new(/[A-Z0-9]{4,20}/)
+      if !@id.nil? && @id !~ pattern
+        invalid_properties.push("invalid value for \"id\", must conform to the pattern #{pattern}.")
+      end
+
+      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?
+      warn '[DEPRECATED] the `valid?` method is obsolete'
+      return false if !@id.nil? && @id !~ Regexp.new(/[A-Z0-9]{4,20}/)
+      true
+    end
+
+    # Custom attribute writer method with validation
+    # @param [Object] id Value to be assigned
+    def id=(id)
+      if id.nil?
+        fail ArgumentError, 'id cannot be nil'
+      end
+
+      pattern = Regexp.new(/[A-Z0-9]{4,20}/)
+      if id !~ pattern
+        fail ArgumentError, "invalid value for \"id\", must conform to the pattern #{pattern}."
+      end
+
+      @id = id
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param [Object] Object to be compared
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          id == o.id &&
+          external_id == o.external_id &&
+          payment == o.payment
+    end
+
+    # @see the `==` method
+    # @param [Object] Object to be compared
+    def eql?(o)
+      self == o
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    def hash
+      [id, external_id, payment].hash
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def self.build_from_hash(attributes)
+      return nil unless attributes.is_a?(Hash)
+      attributes = attributes.transform_keys(&:to_sym)
+      transformed_hash = {}
+      openapi_types.each_pair do |key, type|
+        if attributes.key?(attribute_map[key]) && attributes[attribute_map[key]].nil?
+          transformed_hash["#{key}"] = nil
+        elsif type =~ /\AArray<(.*)>/i
+          # check to ensure the input is an array given that the attribute
+          # is documented as an array but the input is not
+          if attributes[attribute_map[key]].is_a?(Array)
+            transformed_hash["#{key}"] = attributes[attribute_map[key]].map { |v| _deserialize($1, v) }
+          end
+        elsif !attributes[attribute_map[key]].nil?
+          transformed_hash["#{key}"] = _deserialize(type, attributes[attribute_map[key]])
+        end
+      end
+      new(transformed_hash)
+    end
+
+    # Deserializes the data based on type
+    # @param string type Data type
+    # @param string value Value to be deserialized
+    # @return [Object] Deserialized data
+    def self._deserialize(type, value)
+      case type.to_sym
+      when :Time
+        Time.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
+        # models (e.g. Pet) or oneOf
+        klass = Tremendous.const_get(type)
+        klass.respond_to?(:openapi_any_of) || klass.respond_to?(:openapi_one_of) ? klass.build(value) : klass.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)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        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/tremendous/models/list_balance_transactions200_response_transactions_inner_order_payment.rb b/lib/tremendous/models/list_balance_transactions200_response_transactions_inner_order_payment.rb
new file mode 100644
index 0000000..ab25931
--- /dev/null
+++ b/lib/tremendous/models/list_balance_transactions200_response_transactions_inner_order_payment.rb
@@ -0,0 +1,358 @@
+=begin
+#API Endpoints
+
+#Deliver monetary rewards and incentives to employees, customers, survey participants, and more through the Tremendous API. For organizational tasks, like managing your organization and it's members within Tremendous, please see the Tremendous Organizational API.
+
+The version of the OpenAPI document: 2
+Contact: developers@tremendous.com
+Generated by: https://openapi-generator.tech
+Generator version: 7.8.0
+
+=end
+
+require 'date'
+require 'time'
+
+module Tremendous
+  class ListBalanceTransactions200ResponseTransactionsInnerOrderPayment
+    # Total price of the order before fees (in USD)
+    attr_accessor :subtotal
+
+    # Total price of the order including fees (in USD)
+    attr_accessor :total
+
+    # Fees for the order (in USD)
+    attr_accessor :fees
+
+    # Discount for the order (in USD)
+    attr_accessor :discount
+
+    attr_accessor :refund
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    def self.attribute_map
+      {
+        :'subtotal' => :'subtotal',
+        :'total' => :'total',
+        :'fees' => :'fees',
+        :'discount' => :'discount',
+        :'refund' => :'refund'
+      }
+    end
+
+    # Returns all the JSON keys this model knows about
+    def self.acceptable_attributes
+      attribute_map.values
+    end
+
+    # Attribute type mapping.
+    def self.openapi_types
+      {
+        :'subtotal' => :'Float',
+        :'total' => :'Float',
+        :'fees' => :'Float',
+        :'discount' => :'Float',
+        :'refund' => :'ListOrders200ResponseOrdersInnerPaymentRefund'
+      }
+    end
+
+    # List of attributes with nullable: true
+    def self.openapi_nullable
+      Set.new([
+      ])
+    end
+
+    # Initializes the object
+    # @param [Hash] attributes Model attributes in the form of hash
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `Tremendous::ListBalanceTransactions200ResponseTransactionsInnerOrderPayment` initialize method"
+      end
+
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Tremendous::ListBalanceTransactions200ResponseTransactionsInnerOrderPayment`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+        end
+        h[k.to_sym] = v
+      }
+
+      if attributes.key?(:'subtotal')
+        self.subtotal = attributes[:'subtotal']
+      else
+        self.subtotal = nil
+      end
+
+      if attributes.key?(:'total')
+        self.total = attributes[:'total']
+      else
+        self.total = nil
+      end
+
+      if attributes.key?(:'fees')
+        self.fees = attributes[:'fees']
+      else
+        self.fees = nil
+      end
+
+      if attributes.key?(:'discount')
+        self.discount = attributes[:'discount']
+      else
+        self.discount = nil
+      end
+
+      if attributes.key?(:'refund')
+        self.refund = attributes[:'refund']
+      end
+    end
+
+    # Show invalid properties with the reasons. Usually used together with valid?
+    # @return Array for valid properties with the reasons
+    def list_invalid_properties
+      warn '[DEPRECATED] the `list_invalid_properties` method is obsolete'
+      invalid_properties = Array.new
+      if @subtotal.nil?
+        invalid_properties.push('invalid value for "subtotal", subtotal cannot be nil.')
+      end
+
+      if @subtotal < 0
+        invalid_properties.push('invalid value for "subtotal", must be greater than or equal to 0.')
+      end
+
+      if @total.nil?
+        invalid_properties.push('invalid value for "total", total cannot be nil.')
+      end
+
+      if @total < 0
+        invalid_properties.push('invalid value for "total", must be greater than or equal to 0.')
+      end
+
+      if @fees.nil?
+        invalid_properties.push('invalid value for "fees", fees cannot be nil.')
+      end
+
+      if @fees < 0
+        invalid_properties.push('invalid value for "fees", must be greater than or equal to 0.')
+      end
+
+      if @discount.nil?
+        invalid_properties.push('invalid value for "discount", discount cannot be nil.')
+      end
+
+      if @discount < 0
+        invalid_properties.push('invalid value for "discount", must be greater than or equal to 0.')
+      end
+
+      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?
+      warn '[DEPRECATED] the `valid?` method is obsolete'
+      return false if @subtotal.nil?
+      return false if @subtotal < 0
+      return false if @total.nil?
+      return false if @total < 0
+      return false if @fees.nil?
+      return false if @fees < 0
+      return false if @discount.nil?
+      return false if @discount < 0
+      true
+    end
+
+    # Custom attribute writer method with validation
+    # @param [Object] subtotal Value to be assigned
+    def subtotal=(subtotal)
+      if subtotal.nil?
+        fail ArgumentError, 'subtotal cannot be nil'
+      end
+
+      if subtotal < 0
+        fail ArgumentError, 'invalid value for "subtotal", must be greater than or equal to 0.'
+      end
+
+      @subtotal = subtotal
+    end
+
+    # Custom attribute writer method with validation
+    # @param [Object] total Value to be assigned
+    def total=(total)
+      if total.nil?
+        fail ArgumentError, 'total cannot be nil'
+      end
+
+      if total < 0
+        fail ArgumentError, 'invalid value for "total", must be greater than or equal to 0.'
+      end
+
+      @total = total
+    end
+
+    # Custom attribute writer method with validation
+    # @param [Object] fees Value to be assigned
+    def fees=(fees)
+      if fees.nil?
+        fail ArgumentError, 'fees cannot be nil'
+      end
+
+      if fees < 0
+        fail ArgumentError, 'invalid value for "fees", must be greater than or equal to 0.'
+      end
+
+      @fees = fees
+    end
+
+    # Custom attribute writer method with validation
+    # @param [Object] discount Value to be assigned
+    def discount=(discount)
+      if discount.nil?
+        fail ArgumentError, 'discount cannot be nil'
+      end
+
+      if discount < 0
+        fail ArgumentError, 'invalid value for "discount", must be greater than or equal to 0.'
+      end
+
+      @discount = discount
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param [Object] Object to be compared
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          subtotal == o.subtotal &&
+          total == o.total &&
+          fees == o.fees &&
+          discount == o.discount &&
+          refund == o.refund
+    end
+
+    # @see the `==` method
+    # @param [Object] Object to be compared
+    def eql?(o)
+      self == o
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    def hash
+      [subtotal, total, fees, discount, refund].hash
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
+    def self.build_from_hash(attributes)
+      return nil unless attributes.is_a?(Hash)
+      attributes = attributes.transform_keys(&:to_sym)
+      transformed_hash = {}
+      openapi_types.each_pair do |key, type|
+        if attributes.key?(attribute_map[key]) && attributes[attribute_map[key]].nil?
+          transformed_hash["#{key}"] = nil
+        elsif type =~ /\AArray<(.*)>/i
+          # check to ensure the input is an array given that the attribute
+          # is documented as an array but the input is not
+          if attributes[attribute_map[key]].is_a?(Array)
+            transformed_hash["#{key}"] = attributes[attribute_map[key]].map { |v| _deserialize($1, v) }
+          end
+        elsif !attributes[attribute_map[key]].nil?
+          transformed_hash["#{key}"] = _deserialize(type, attributes[attribute_map[key]])
+        end
+      end
+      new(transformed_hash)
+    end
+
+    # Deserializes the data based on type
+    # @param string type Data type
+    # @param string value Value to be deserialized
+    # @return [Object] Deserialized data
+    def self._deserialize(type, value)
+      case type.to_sym
+      when :Time
+        Time.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
+        # models (e.g. Pet) or oneOf
+        klass = Tremendous.const_get(type)
+        klass.respond_to?(:openapi_any_of) || klass.respond_to?(:openapi_one_of) ? klass.build(value) : klass.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)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        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/tremendous/models/list_orders200_response_orders_inner_payment.rb b/lib/tremendous/models/list_orders200_response_orders_inner_payment.rb
index 6d1b1b1..08ee495 100644
--- a/lib/tremendous/models/list_orders200_response_orders_inner_payment.rb
+++ b/lib/tremendous/models/list_orders200_response_orders_inner_payment.rb
@@ -25,6 +25,9 @@ class ListOrders200ResponseOrdersInnerPayment
     # Fees for the order (in USD)
     attr_accessor :fees
 
+    # Discount for the order (in USD)
+    attr_accessor :discount
+
     attr_accessor :refund
 
     # Attribute mapping from ruby-style variable name to JSON key.
@@ -33,6 +36,7 @@ def self.attribute_map
         :'subtotal' => :'subtotal',
         :'total' => :'total',
         :'fees' => :'fees',
+        :'discount' => :'discount',
         :'refund' => :'refund'
       }
     end
@@ -48,6 +52,7 @@ def self.openapi_types
         :'subtotal' => :'Float',
         :'total' => :'Float',
         :'fees' => :'Float',
+        :'discount' => :'Float',
         :'refund' => :'ListOrders200ResponseOrdersInnerPaymentRefund'
       }
     end
@@ -75,14 +80,26 @@ def initialize(attributes = {})
 
       if attributes.key?(:'subtotal')
         self.subtotal = attributes[:'subtotal']
+      else
+        self.subtotal = nil
       end
 
       if attributes.key?(:'total')
         self.total = attributes[:'total']
+      else
+        self.total = nil
       end
 
       if attributes.key?(:'fees')
         self.fees = attributes[:'fees']
+      else
+        self.fees = nil
+      end
+
+      if attributes.key?(:'discount')
+        self.discount = attributes[:'discount']
+      else
+        self.discount = nil
       end
 
       if attributes.key?(:'refund')
@@ -95,18 +112,38 @@ def initialize(attributes = {})
     def list_invalid_properties
       warn '[DEPRECATED] the `list_invalid_properties` method is obsolete'
       invalid_properties = Array.new
-      if !@subtotal.nil? && @subtotal < 0
+      if @subtotal.nil?
+        invalid_properties.push('invalid value for "subtotal", subtotal cannot be nil.')
+      end
+
+      if @subtotal < 0
         invalid_properties.push('invalid value for "subtotal", must be greater than or equal to 0.')
       end
 
-      if !@total.nil? && @total < 0
+      if @total.nil?
+        invalid_properties.push('invalid value for "total", total cannot be nil.')
+      end
+
+      if @total < 0
         invalid_properties.push('invalid value for "total", must be greater than or equal to 0.')
       end
 
-      if !@fees.nil? && @fees < 0
+      if @fees.nil?
+        invalid_properties.push('invalid value for "fees", fees cannot be nil.')
+      end
+
+      if @fees < 0
         invalid_properties.push('invalid value for "fees", must be greater than or equal to 0.')
       end
 
+      if @discount.nil?
+        invalid_properties.push('invalid value for "discount", discount cannot be nil.')
+      end
+
+      if @discount < 0
+        invalid_properties.push('invalid value for "discount", must be greater than or equal to 0.')
+      end
+
       invalid_properties
     end
 
@@ -114,9 +151,14 @@ def list_invalid_properties
     # @return true if the model is valid
     def valid?
       warn '[DEPRECATED] the `valid?` method is obsolete'
-      return false if !@subtotal.nil? && @subtotal < 0
-      return false if !@total.nil? && @total < 0
-      return false if !@fees.nil? && @fees < 0
+      return false if @subtotal.nil?
+      return false if @subtotal < 0
+      return false if @total.nil?
+      return false if @total < 0
+      return false if @fees.nil?
+      return false if @fees < 0
+      return false if @discount.nil?
+      return false if @discount < 0
       true
     end
 
@@ -162,6 +204,20 @@ def fees=(fees)
       @fees = fees
     end
 
+    # Custom attribute writer method with validation
+    # @param [Object] discount Value to be assigned
+    def discount=(discount)
+      if discount.nil?
+        fail ArgumentError, 'discount cannot be nil'
+      end
+
+      if discount < 0
+        fail ArgumentError, 'invalid value for "discount", must be greater than or equal to 0.'
+      end
+
+      @discount = discount
+    end
+
     # Checks equality by comparing each attribute.
     # @param [Object] Object to be compared
     def ==(o)
@@ -170,6 +226,7 @@ def ==(o)
           subtotal == o.subtotal &&
           total == o.total &&
           fees == o.fees &&
+          discount == o.discount &&
           refund == o.refund
     end
 
@@ -182,7 +239,7 @@ def eql?(o)
     # Calculates hash code according to all attributes.
     # @return [Integer] Hash code
     def hash
-      [subtotal, total, fees, refund].hash
+      [subtotal, total, fees, discount, refund].hash
     end
 
     # Builds the object from hash
diff --git a/lib/tremendous/models/order_base_payment.rb b/lib/tremendous/models/order_base_payment.rb
index 6390a25..f97c789 100644
--- a/lib/tremendous/models/order_base_payment.rb
+++ b/lib/tremendous/models/order_base_payment.rb
@@ -25,6 +25,9 @@ class OrderBasePayment
     # Fees for the order (in USD)
     attr_accessor :fees
 
+    # Discount for the order (in USD)
+    attr_accessor :discount
+
     attr_accessor :refund
 
     # Attribute mapping from ruby-style variable name to JSON key.
@@ -33,6 +36,7 @@ def self.attribute_map
         :'subtotal' => :'subtotal',
         :'total' => :'total',
         :'fees' => :'fees',
+        :'discount' => :'discount',
         :'refund' => :'refund'
       }
     end
@@ -48,6 +52,7 @@ def self.openapi_types
         :'subtotal' => :'Float',
         :'total' => :'Float',
         :'fees' => :'Float',
+        :'discount' => :'Float',
         :'refund' => :'PaymentDetailsRefund'
       }
     end
@@ -75,14 +80,26 @@ def initialize(attributes = {})
 
       if attributes.key?(:'subtotal')
         self.subtotal = attributes[:'subtotal']
+      else
+        self.subtotal = nil
       end
 
       if attributes.key?(:'total')
         self.total = attributes[:'total']
+      else
+        self.total = nil
       end
 
       if attributes.key?(:'fees')
         self.fees = attributes[:'fees']
+      else
+        self.fees = nil
+      end
+
+      if attributes.key?(:'discount')
+        self.discount = attributes[:'discount']
+      else
+        self.discount = nil
       end
 
       if attributes.key?(:'refund')
@@ -95,18 +112,38 @@ def initialize(attributes = {})
     def list_invalid_properties
       warn '[DEPRECATED] the `list_invalid_properties` method is obsolete'
       invalid_properties = Array.new
-      if !@subtotal.nil? && @subtotal < 0
+      if @subtotal.nil?
+        invalid_properties.push('invalid value for "subtotal", subtotal cannot be nil.')
+      end
+
+      if @subtotal < 0
         invalid_properties.push('invalid value for "subtotal", must be greater than or equal to 0.')
       end
 
-      if !@total.nil? && @total < 0
+      if @total.nil?
+        invalid_properties.push('invalid value for "total", total cannot be nil.')
+      end
+
+      if @total < 0
         invalid_properties.push('invalid value for "total", must be greater than or equal to 0.')
       end
 
-      if !@fees.nil? && @fees < 0
+      if @fees.nil?
+        invalid_properties.push('invalid value for "fees", fees cannot be nil.')
+      end
+
+      if @fees < 0
         invalid_properties.push('invalid value for "fees", must be greater than or equal to 0.')
       end
 
+      if @discount.nil?
+        invalid_properties.push('invalid value for "discount", discount cannot be nil.')
+      end
+
+      if @discount < 0
+        invalid_properties.push('invalid value for "discount", must be greater than or equal to 0.')
+      end
+
       invalid_properties
     end
 
@@ -114,9 +151,14 @@ def list_invalid_properties
     # @return true if the model is valid
     def valid?
       warn '[DEPRECATED] the `valid?` method is obsolete'
-      return false if !@subtotal.nil? && @subtotal < 0
-      return false if !@total.nil? && @total < 0
-      return false if !@fees.nil? && @fees < 0
+      return false if @subtotal.nil?
+      return false if @subtotal < 0
+      return false if @total.nil?
+      return false if @total < 0
+      return false if @fees.nil?
+      return false if @fees < 0
+      return false if @discount.nil?
+      return false if @discount < 0
       true
     end
 
@@ -162,6 +204,20 @@ def fees=(fees)
       @fees = fees
     end
 
+    # Custom attribute writer method with validation
+    # @param [Object] discount Value to be assigned
+    def discount=(discount)
+      if discount.nil?
+        fail ArgumentError, 'discount cannot be nil'
+      end
+
+      if discount < 0
+        fail ArgumentError, 'invalid value for "discount", must be greater than or equal to 0.'
+      end
+
+      @discount = discount
+    end
+
     # Checks equality by comparing each attribute.
     # @param [Object] Object to be compared
     def ==(o)
@@ -170,6 +226,7 @@ def ==(o)
           subtotal == o.subtotal &&
           total == o.total &&
           fees == o.fees &&
+          discount == o.discount &&
           refund == o.refund
     end
 
@@ -182,7 +239,7 @@ def eql?(o)
     # Calculates hash code according to all attributes.
     # @return [Integer] Hash code
     def hash
-      [subtotal, total, fees, refund].hash
+      [subtotal, total, fees, discount, refund].hash
     end
 
     # Builds the object from hash
diff --git a/lib/tremendous/models/payment_details.rb b/lib/tremendous/models/payment_details.rb
index 0af65bc..53a9c7f 100644
--- a/lib/tremendous/models/payment_details.rb
+++ b/lib/tremendous/models/payment_details.rb
@@ -24,6 +24,9 @@ class PaymentDetails
     # Fees for the order (in USD)
     attr_accessor :fees
 
+    # Discount for the order (in USD)
+    attr_accessor :discount
+
     attr_accessor :refund
 
     # Attribute mapping from ruby-style variable name to JSON key.
@@ -32,6 +35,7 @@ def self.attribute_map
         :'subtotal' => :'subtotal',
         :'total' => :'total',
         :'fees' => :'fees',
+        :'discount' => :'discount',
         :'refund' => :'refund'
       }
     end
@@ -47,6 +51,7 @@ def self.openapi_types
         :'subtotal' => :'Float',
         :'total' => :'Float',
         :'fees' => :'Float',
+        :'discount' => :'Float',
         :'refund' => :'PaymentDetailsRefund'
       }
     end
@@ -74,14 +79,26 @@ def initialize(attributes = {})
 
       if attributes.key?(:'subtotal')
         self.subtotal = attributes[:'subtotal']
+      else
+        self.subtotal = nil
       end
 
       if attributes.key?(:'total')
         self.total = attributes[:'total']
+      else
+        self.total = nil
       end
 
       if attributes.key?(:'fees')
         self.fees = attributes[:'fees']
+      else
+        self.fees = nil
+      end
+
+      if attributes.key?(:'discount')
+        self.discount = attributes[:'discount']
+      else
+        self.discount = nil
       end
 
       if attributes.key?(:'refund')
@@ -94,18 +111,38 @@ def initialize(attributes = {})
     def list_invalid_properties
       warn '[DEPRECATED] the `list_invalid_properties` method is obsolete'
       invalid_properties = Array.new
-      if !@subtotal.nil? && @subtotal < 0
+      if @subtotal.nil?
+        invalid_properties.push('invalid value for "subtotal", subtotal cannot be nil.')
+      end
+
+      if @subtotal < 0
         invalid_properties.push('invalid value for "subtotal", must be greater than or equal to 0.')
       end
 
-      if !@total.nil? && @total < 0
+      if @total.nil?
+        invalid_properties.push('invalid value for "total", total cannot be nil.')
+      end
+
+      if @total < 0
         invalid_properties.push('invalid value for "total", must be greater than or equal to 0.')
       end
 
-      if !@fees.nil? && @fees < 0
+      if @fees.nil?
+        invalid_properties.push('invalid value for "fees", fees cannot be nil.')
+      end
+
+      if @fees < 0
         invalid_properties.push('invalid value for "fees", must be greater than or equal to 0.')
       end
 
+      if @discount.nil?
+        invalid_properties.push('invalid value for "discount", discount cannot be nil.')
+      end
+
+      if @discount < 0
+        invalid_properties.push('invalid value for "discount", must be greater than or equal to 0.')
+      end
+
       invalid_properties
     end
 
@@ -113,9 +150,14 @@ def list_invalid_properties
     # @return true if the model is valid
     def valid?
       warn '[DEPRECATED] the `valid?` method is obsolete'
-      return false if !@subtotal.nil? && @subtotal < 0
-      return false if !@total.nil? && @total < 0
-      return false if !@fees.nil? && @fees < 0
+      return false if @subtotal.nil?
+      return false if @subtotal < 0
+      return false if @total.nil?
+      return false if @total < 0
+      return false if @fees.nil?
+      return false if @fees < 0
+      return false if @discount.nil?
+      return false if @discount < 0
       true
     end
 
@@ -161,6 +203,20 @@ def fees=(fees)
       @fees = fees
     end
 
+    # Custom attribute writer method with validation
+    # @param [Object] discount Value to be assigned
+    def discount=(discount)
+      if discount.nil?
+        fail ArgumentError, 'discount cannot be nil'
+      end
+
+      if discount < 0
+        fail ArgumentError, 'invalid value for "discount", must be greater than or equal to 0.'
+      end
+
+      @discount = discount
+    end
+
     # Checks equality by comparing each attribute.
     # @param [Object] Object to be compared
     def ==(o)
@@ -169,6 +225,7 @@ def ==(o)
           subtotal == o.subtotal &&
           total == o.total &&
           fees == o.fees &&
+          discount == o.discount &&
           refund == o.refund
     end
 
@@ -181,7 +238,7 @@ def eql?(o)
     # Calculates hash code according to all attributes.
     # @return [Integer] Hash code
     def hash
-      [subtotal, total, fees, refund].hash
+      [subtotal, total, fees, discount, refund].hash
     end
 
     # Builds the object from hash