diff --git a/edgeapplications/api/openapi.yaml b/edgeapplications/api/openapi.yaml
index 542786a..8588a75 100644
--- a/edgeapplications/api/openapi.yaml
+++ b/edgeapplications/api/openapi.yaml
@@ -3849,8 +3849,6 @@ components:
         prefix:
           type: string
       required:
-      - addresses
-      - host_header
       - name
       type: object
     UpdateOriginsRequest:
diff --git a/edgeapplications/docs/CreateOriginsRequest.md b/edgeapplications/docs/CreateOriginsRequest.md
index 48ddff6..c7e58cc 100644
--- a/edgeapplications/docs/CreateOriginsRequest.md
+++ b/edgeapplications/docs/CreateOriginsRequest.md
@@ -6,9 +6,9 @@ Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **Name** | **string** |  | 
 **OriginType** | **string** |  | [optional] 
-**Addresses** | [**List<CreateOriginsRequestAddresses>**](CreateOriginsRequestAddresses.md) |  | 
+**Addresses** | [**List<CreateOriginsRequestAddresses>**](CreateOriginsRequestAddresses.md) |  | [optional] 
 **OriginProtocolPolicy** | **string** |  | [optional] 
-**HostHeader** | **string** |  | 
+**HostHeader** | **string** |  | [optional] 
 **OriginPath** | **string** |  | [optional] 
 **HmacAuthentication** | **bool** |  | [optional] 
 **HmacRegionName** | **string** |  | [optional] 
diff --git a/edgeapplications/edgeapplications.sln b/edgeapplications/edgeapplications.sln
index 9c69b45..4645104 100644
--- a/edgeapplications/edgeapplications.sln
+++ b/edgeapplications/edgeapplications.sln
@@ -2,7 +2,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 2012
 VisualStudioVersion = 12.0.0.0
 MinimumVisualStudioVersion = 10.0.0.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "edgeapplications", "src\edgeapplications\edgeapplications.csproj", "{3CE3D885-526F-44B3-AEEB-B956EBA4C691}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "edgeapplications", "src\edgeapplications\edgeapplications.csproj", "{3963DBDB-489C-4FDD-8A1C-9D3BC2E223CB}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "edgeapplications.Test", "src\edgeapplications.Test\edgeapplications.Test.csproj", "{19F1DEBC-DE5E-4517-8062-F000CD499087}"
 EndProject
@@ -12,10 +12,10 @@ Global
 		Release|Any CPU = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{3CE3D885-526F-44B3-AEEB-B956EBA4C691}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{3CE3D885-526F-44B3-AEEB-B956EBA4C691}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{3CE3D885-526F-44B3-AEEB-B956EBA4C691}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{3CE3D885-526F-44B3-AEEB-B956EBA4C691}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3963DBDB-489C-4FDD-8A1C-9D3BC2E223CB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3963DBDB-489C-4FDD-8A1C-9D3BC2E223CB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3963DBDB-489C-4FDD-8A1C-9D3BC2E223CB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3963DBDB-489C-4FDD-8A1C-9D3BC2E223CB}.Release|Any CPU.Build.0 = Release|Any CPU
 		{19F1DEBC-DE5E-4517-8062-F000CD499087}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{19F1DEBC-DE5E-4517-8062-F000CD499087}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{19F1DEBC-DE5E-4517-8062-F000CD499087}.Release|Any CPU.ActiveCfg = Release|Any CPU
diff --git a/edgeapplications/src/edgeapplications/Model/CreateOriginsRequest.cs b/edgeapplications/src/edgeapplications/Model/CreateOriginsRequest.cs
index 4ee7fe7..17765b2 100644
--- a/edgeapplications/src/edgeapplications/Model/CreateOriginsRequest.cs
+++ b/edgeapplications/src/edgeapplications/Model/CreateOriginsRequest.cs
@@ -41,9 +41,9 @@ protected CreateOriginsRequest() { }
         /// </summary>
         /// <param name="name">name (required).</param>
         /// <param name="originType">originType.</param>
-        /// <param name="addresses">addresses (required).</param>
+        /// <param name="addresses">addresses.</param>
         /// <param name="originProtocolPolicy">originProtocolPolicy.</param>
-        /// <param name="hostHeader">hostHeader (required).</param>
+        /// <param name="hostHeader">hostHeader.</param>
         /// <param name="originPath">originPath.</param>
         /// <param name="hmacAuthentication">hmacAuthentication.</param>
         /// <param name="hmacRegionName">hmacRegionName.</param>
@@ -59,20 +59,10 @@ protected CreateOriginsRequest() { }
                 throw new ArgumentNullException("name is a required property for CreateOriginsRequest and cannot be null");
             }
             this.Name = name;
-            // to ensure "addresses" is required (not null)
-            if (addresses == null)
-            {
-                throw new ArgumentNullException("addresses is a required property for CreateOriginsRequest and cannot be null");
-            }
-            this.Addresses = addresses;
-            // to ensure "hostHeader" is required (not null)
-            if (hostHeader == null)
-            {
-                throw new ArgumentNullException("hostHeader is a required property for CreateOriginsRequest and cannot be null");
-            }
-            this.HostHeader = hostHeader;
             this.OriginType = originType;
+            this.Addresses = addresses;
             this.OriginProtocolPolicy = originProtocolPolicy;
+            this.HostHeader = hostHeader;
             this.OriginPath = originPath;
             this.HmacAuthentication = hmacAuthentication;
             this.HmacRegionName = hmacRegionName;
@@ -97,7 +87,7 @@ protected CreateOriginsRequest() { }
         /// <summary>
         /// Gets or Sets Addresses
         /// </summary>
-        [DataMember(Name = "addresses", IsRequired = true, EmitDefaultValue = true)]
+        [DataMember(Name = "addresses", EmitDefaultValue = false)]
         public List<CreateOriginsRequestAddresses> Addresses { get; set; }
 
         /// <summary>
@@ -109,7 +99,7 @@ protected CreateOriginsRequest() { }
         /// <summary>
         /// Gets or Sets HostHeader
         /// </summary>
-        [DataMember(Name = "host_header", IsRequired = true, EmitDefaultValue = true)]
+        [DataMember(Name = "host_header", EmitDefaultValue = false)]
         public string HostHeader { get; set; }
 
         /// <summary>