diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2461b5a..ac5eeda 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.11.1] - 2021-09-07
+
+### Changed
+
+- Body parameters are validated before being sent to the API. This gives developers faster feedback as they develop their applications.
+
 ## [1.11.0] - 2021-09-07
 
 ### Added
diff --git a/Gemfile.lock b/Gemfile.lock
index 98eb4c4..1dd90d1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    patch_ruby (1.11.0)
+    patch_ruby (1.11.1)
       typhoeus (~> 1.0, >= 1.0.1)
 
 GEM
diff --git a/lib/patch_ruby/api/estimates_api.rb b/lib/patch_ruby/api/estimates_api.rb
index a6ab02a..7041a4e 100644
--- a/lib/patch_ruby/api/estimates_api.rb
+++ b/lib/patch_ruby/api/estimates_api.rb
@@ -35,8 +35,9 @@ def initialize(api_client = ApiClient.default)
     # @param create_bitcoin_estimate_request [CreateBitcoinEstimateRequest] 
     # @param [Hash] opts the optional parameters
     # @return [EstimateResponse]
-    def create_bitcoin_estimate(create_bitcoin_estimate_request, opts = {})
-      data, _status_code, _headers = create_bitcoin_estimate_with_http_info(create_bitcoin_estimate_request, opts)
+    def create_bitcoin_estimate(create_bitcoin_estimate_request = {}, opts = {})
+      _create_bitcoin_estimate_request = Patch::CreateBitcoinEstimateRequest.new(create_bitcoin_estimate_request) 
+      data, _status_code, _headers = create_bitcoin_estimate_with_http_info(_create_bitcoin_estimate_request, opts)
       data
     end
 
@@ -100,8 +101,9 @@ def create_bitcoin_estimate_with_http_info(create_bitcoin_estimate_request, opts
     # @param create_ethereum_estimate_request [CreateEthereumEstimateRequest] 
     # @param [Hash] opts the optional parameters
     # @return [EstimateResponse]
-    def create_ethereum_estimate(create_ethereum_estimate_request, opts = {})
-      data, _status_code, _headers = create_ethereum_estimate_with_http_info(create_ethereum_estimate_request, opts)
+    def create_ethereum_estimate(create_ethereum_estimate_request = {}, opts = {})
+      _create_ethereum_estimate_request = Patch::CreateEthereumEstimateRequest.new(create_ethereum_estimate_request) 
+      data, _status_code, _headers = create_ethereum_estimate_with_http_info(_create_ethereum_estimate_request, opts)
       data
     end
 
@@ -165,8 +167,9 @@ def create_ethereum_estimate_with_http_info(create_ethereum_estimate_request, op
     # @param create_flight_estimate_request [CreateFlightEstimateRequest] 
     # @param [Hash] opts the optional parameters
     # @return [EstimateResponse]
-    def create_flight_estimate(create_flight_estimate_request, opts = {})
-      data, _status_code, _headers = create_flight_estimate_with_http_info(create_flight_estimate_request, opts)
+    def create_flight_estimate(create_flight_estimate_request = {}, opts = {})
+      _create_flight_estimate_request = Patch::CreateFlightEstimateRequest.new(create_flight_estimate_request) 
+      data, _status_code, _headers = create_flight_estimate_with_http_info(_create_flight_estimate_request, opts)
       data
     end
 
@@ -230,8 +233,9 @@ def create_flight_estimate_with_http_info(create_flight_estimate_request, opts =
     # @param create_mass_estimate_request [CreateMassEstimateRequest] 
     # @param [Hash] opts the optional parameters
     # @return [EstimateResponse]
-    def create_mass_estimate(create_mass_estimate_request, opts = {})
-      data, _status_code, _headers = create_mass_estimate_with_http_info(create_mass_estimate_request, opts)
+    def create_mass_estimate(create_mass_estimate_request = {}, opts = {})
+      _create_mass_estimate_request = Patch::CreateMassEstimateRequest.new(create_mass_estimate_request) 
+      data, _status_code, _headers = create_mass_estimate_with_http_info(_create_mass_estimate_request, opts)
       data
     end
 
@@ -295,8 +299,9 @@ def create_mass_estimate_with_http_info(create_mass_estimate_request, opts = {})
     # @param create_shipping_estimate_request [CreateShippingEstimateRequest] 
     # @param [Hash] opts the optional parameters
     # @return [EstimateResponse]
-    def create_shipping_estimate(create_shipping_estimate_request, opts = {})
-      data, _status_code, _headers = create_shipping_estimate_with_http_info(create_shipping_estimate_request, opts)
+    def create_shipping_estimate(create_shipping_estimate_request = {}, opts = {})
+      _create_shipping_estimate_request = Patch::CreateShippingEstimateRequest.new(create_shipping_estimate_request) 
+      data, _status_code, _headers = create_shipping_estimate_with_http_info(_create_shipping_estimate_request, opts)
       data
     end
 
@@ -360,8 +365,9 @@ def create_shipping_estimate_with_http_info(create_shipping_estimate_request, op
     # @param create_vehicle_estimate_request [CreateVehicleEstimateRequest] 
     # @param [Hash] opts the optional parameters
     # @return [EstimateResponse]
-    def create_vehicle_estimate(create_vehicle_estimate_request, opts = {})
-      data, _status_code, _headers = create_vehicle_estimate_with_http_info(create_vehicle_estimate_request, opts)
+    def create_vehicle_estimate(create_vehicle_estimate_request = {}, opts = {})
+      _create_vehicle_estimate_request = Patch::CreateVehicleEstimateRequest.new(create_vehicle_estimate_request) 
+      data, _status_code, _headers = create_vehicle_estimate_with_http_info(_create_vehicle_estimate_request, opts)
       data
     end
 
@@ -426,6 +432,7 @@ def create_vehicle_estimate_with_http_info(create_vehicle_estimate_request, opts
     # @param [Hash] opts the optional parameters
     # @return [EstimateResponse]
     def retrieve_estimate(id, opts = {})
+      
       data, _status_code, _headers = retrieve_estimate_with_http_info(id, opts)
       data
     end
@@ -489,6 +496,7 @@ def retrieve_estimate_with_http_info(id, opts = {})
     # @option opts [Integer] :page 
     # @return [EstimateListResponse]
     def retrieve_estimates(opts = {})
+      
       data, _status_code, _headers = retrieve_estimates_with_http_info(opts)
       data
     end
diff --git a/lib/patch_ruby/api/orders_api.rb b/lib/patch_ruby/api/orders_api.rb
index 18cba61..ffdbbc0 100644
--- a/lib/patch_ruby/api/orders_api.rb
+++ b/lib/patch_ruby/api/orders_api.rb
@@ -33,6 +33,7 @@ def initialize(api_client = ApiClient.default)
     # @param [Hash] opts the optional parameters
     # @return [OrderResponse]
     def cancel_order(id, opts = {})
+      
       data, _status_code, _headers = cancel_order_with_http_info(id, opts)
       data
     end
@@ -95,8 +96,9 @@ def cancel_order_with_http_info(id, opts = {})
     # @param create_order_request [CreateOrderRequest] 
     # @param [Hash] opts the optional parameters
     # @return [OrderResponse]
-    def create_order(create_order_request, opts = {})
-      data, _status_code, _headers = create_order_with_http_info(create_order_request, opts)
+    def create_order(create_order_request = {}, opts = {})
+      _create_order_request = Patch::CreateOrderRequest.new(create_order_request) 
+      data, _status_code, _headers = create_order_with_http_info(_create_order_request, opts)
       data
     end
 
@@ -161,6 +163,7 @@ def create_order_with_http_info(create_order_request, opts = {})
     # @param [Hash] opts the optional parameters
     # @return [OrderResponse]
     def place_order(id, opts = {})
+      
       data, _status_code, _headers = place_order_with_http_info(id, opts)
       data
     end
@@ -224,6 +227,7 @@ def place_order_with_http_info(id, opts = {})
     # @param [Hash] opts the optional parameters
     # @return [OrderResponse]
     def retrieve_order(id, opts = {})
+      
       data, _status_code, _headers = retrieve_order_with_http_info(id, opts)
       data
     end
@@ -290,6 +294,7 @@ def retrieve_order_with_http_info(id, opts = {})
     # @option opts [String] :metadata_example2 
     # @return [OrderListResponse]
     def retrieve_orders(opts = {})
+      
       data, _status_code, _headers = retrieve_orders_with_http_info(opts)
       data
     end
diff --git a/lib/patch_ruby/api/preferences_api.rb b/lib/patch_ruby/api/preferences_api.rb
index facc61a..9b10924 100644
--- a/lib/patch_ruby/api/preferences_api.rb
+++ b/lib/patch_ruby/api/preferences_api.rb
@@ -31,8 +31,9 @@ def initialize(api_client = ApiClient.default)
     # @param create_preference_request [CreatePreferenceRequest] 
     # @param [Hash] opts the optional parameters
     # @return [PreferenceResponse]
-    def create_preference(create_preference_request, opts = {})
-      data, _status_code, _headers = create_preference_with_http_info(create_preference_request, opts)
+    def create_preference(create_preference_request = {}, opts = {})
+      _create_preference_request = Patch::CreatePreferenceRequest.new(create_preference_request) 
+      data, _status_code, _headers = create_preference_with_http_info(_create_preference_request, opts)
       data
     end
 
@@ -97,6 +98,7 @@ def create_preference_with_http_info(create_preference_request, opts = {})
     # @param [Hash] opts the optional parameters
     # @return [PreferenceResponse]
     def delete_preference(id, opts = {})
+      
       data, _status_code, _headers = delete_preference_with_http_info(id, opts)
       data
     end
@@ -160,6 +162,7 @@ def delete_preference_with_http_info(id, opts = {})
     # @param [Hash] opts the optional parameters
     # @return [PreferenceResponse]
     def retrieve_preference(id, opts = {})
+      
       data, _status_code, _headers = retrieve_preference_with_http_info(id, opts)
       data
     end
@@ -223,6 +226,7 @@ def retrieve_preference_with_http_info(id, opts = {})
     # @option opts [Integer] :page 
     # @return [PreferenceListResponse]
     def retrieve_preferences(opts = {})
+      
       data, _status_code, _headers = retrieve_preferences_with_http_info(opts)
       data
     end
diff --git a/lib/patch_ruby/api/projects_api.rb b/lib/patch_ruby/api/projects_api.rb
index 02bb7f6..43e8689 100644
--- a/lib/patch_ruby/api/projects_api.rb
+++ b/lib/patch_ruby/api/projects_api.rb
@@ -30,6 +30,7 @@ def initialize(api_client = ApiClient.default)
     # @param [Hash] opts the optional parameters
     # @return [ProjectResponse]
     def retrieve_project(id, opts = {})
+      
       data, _status_code, _headers = retrieve_project_with_http_info(id, opts)
       data
     end
@@ -96,6 +97,7 @@ def retrieve_project_with_http_info(id, opts = {})
     # @option opts [Integer] :minimum_available_mass 
     # @return [ProjectListResponse]
     def retrieve_projects(opts = {})
+      
       data, _status_code, _headers = retrieve_projects_with_http_info(opts)
       data
     end
diff --git a/lib/patch_ruby/api_client.rb b/lib/patch_ruby/api_client.rb
index f27522c..3ddd410 100644
--- a/lib/patch_ruby/api_client.rb
+++ b/lib/patch_ruby/api_client.rb
@@ -31,7 +31,7 @@ class ApiClient
     # @option config [Configuration] Configuration for initializing the object, default to Configuration.default
     def initialize(config = Configuration.default)
       @config = config
-      @user_agent = "patch-ruby/1.11.0"
+      @user_agent = "patch-ruby/1.11.1"
       @default_headers = {
         'Content-Type' => 'application/json',
         'User-Agent' => @user_agent
diff --git a/lib/patch_ruby/version.rb b/lib/patch_ruby/version.rb
index c3b2552..6713fb9 100644
--- a/lib/patch_ruby/version.rb
+++ b/lib/patch_ruby/version.rb
@@ -11,5 +11,5 @@
 =end
 
 module Patch
-  VERSION = '1.11.0'
+  VERSION = '1.11.1'
 end