diff --git a/Bandwidth.Standard.sln b/Bandwidth.Standard.sln
index becd3cf..a56673a 100644
--- a/Bandwidth.Standard.sln
+++ b/Bandwidth.Standard.sln
@@ -2,7 +2,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 14
 VisualStudioVersion = 14.0.25420.1
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bandwidth.Standard", "src\Bandwidth.Standard\Bandwidth.Standard.csproj", "{4B6F94E7-BD68-40BD-AE9F-6E0A2DABA2E1}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bandwidth.Standard", "src\Bandwidth.Standard\Bandwidth.Standard.csproj", "{864CAADC-43D9-494A-A094-B09DDADE42FE}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bandwidth.Standard.Test", "src\Bandwidth.Standard.Test\Bandwidth.Standard.Test.csproj", "{19F1DEBC-DE5E-4517-8062-F000CD499087}"
 EndProject
@@ -12,10 +12,10 @@ Global
 		Release|Any CPU = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{4B6F94E7-BD68-40BD-AE9F-6E0A2DABA2E1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{4B6F94E7-BD68-40BD-AE9F-6E0A2DABA2E1}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{4B6F94E7-BD68-40BD-AE9F-6E0A2DABA2E1}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{4B6F94E7-BD68-40BD-AE9F-6E0A2DABA2E1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{864CAADC-43D9-494A-A094-B09DDADE42FE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{864CAADC-43D9-494A-A094-B09DDADE42FE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{864CAADC-43D9-494A-A094-B09DDADE42FE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{864CAADC-43D9-494A-A094-B09DDADE42FE}.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/api/openapi.yaml b/api/openapi.yaml
index 570ecc6..8e77364 100644
--- a/api/openapi.yaml
+++ b/api/openapi.yaml
@@ -5364,8 +5364,27 @@ components:
         application/json:
           schema:
             $ref: '#/components/schemas/updateCall'
-      description: JSON object containing information to redirect an existing call
-        to a new BXML document
+        application/xml:
+          examples:
+            speakSentence:
+              summary: Speak Sentence
+              value: |-
+                <?xml version=\"1.0\" encoding=\"UTF-8\"?>
+                <Bxml>
+                  <SpeakSentence>This is a test sentence.</SpeakSentence>
+                </Bxml>
+            redirectUrl:
+              summary: Redirect
+              value: |-
+                <?xml version=\"1.0\" encoding=\"UTF-8\"?>
+                <Bxml>
+                  <Redirect redirectUrl="https://test.example" redirectMethod="GET"/>
+                </Bxml>
+          schema:
+            description: A valid BXML document to replace the call's current BXML.
+            type: string
+      description: JSON or BXML object containing information to redirect an existing
+        call to a new BXML document
       required: true
     updateCallBxmlRequest:
       content:
diff --git a/bandwidth.yml b/bandwidth.yml
index c4b1fb2..1361c83 100644
--- a/bandwidth.yml
+++ b/bandwidth.yml
@@ -5658,13 +5658,32 @@ components:
             $ref: '#/components/schemas/createCall'
     updateCallRequest:
       description: >-
-        JSON object containing information to redirect an existing call to a new
-        BXML document
+        JSON or BXML object containing information to redirect an existing call
+        to a new BXML document
       required: true
       content:
         application/json:
           schema:
             $ref: '#/components/schemas/updateCall'
+        application/xml:
+          schema:
+            type: string
+            description: A valid BXML document to replace the call's current BXML.
+          examples:
+            speakSentence:
+              summary: Speak Sentence
+              value: |-
+                <?xml version=\"1.0\" encoding=\"UTF-8\"?>
+                <Bxml>
+                  <SpeakSentence>This is a test sentence.</SpeakSentence>
+                </Bxml>
+            redirectUrl:
+              summary: Redirect
+              value: |-
+                <?xml version=\"1.0\" encoding=\"UTF-8\"?>
+                <Bxml>
+                  <Redirect redirectUrl="https://test.example" redirectMethod="GET"/>
+                </Bxml>
     updateCallBxmlRequest:
       required: true
       content:
diff --git a/docs/CallsApi.md b/docs/CallsApi.md
index c281856..ef3e588 100644
--- a/docs/CallsApi.md
+++ b/docs/CallsApi.md
@@ -368,7 +368,7 @@ namespace Example
             var apiInstance = new CallsApi(config);
             var accountId = 9900000;  // string | Your Bandwidth Account ID.
             var callId = c-15ac29a2-1331029c-2cb0-4a07-b215-b22865662d85;  // string | Programmable Voice API Call ID.
-            var updateCall = new UpdateCall(); // UpdateCall | JSON object containing information to redirect an existing call to a new BXML document
+            var updateCall = new UpdateCall(); // UpdateCall | JSON or BXML object containing information to redirect an existing call to a new BXML document
 
             try
             {
@@ -409,7 +409,7 @@ catch (ApiException e)
 |------|------|-------------|-------|
 | **accountId** | **string** | Your Bandwidth Account ID. |  |
 | **callId** | **string** | Programmable Voice API Call ID. |  |
-| **updateCall** | [**UpdateCall**](UpdateCall.md) | JSON object containing information to redirect an existing call to a new BXML document |  |
+| **updateCall** | [**UpdateCall**](UpdateCall.md) | JSON or BXML object containing information to redirect an existing call to a new BXML document |  |
 
 ### Return type
 
@@ -421,7 +421,7 @@ void (empty response body)
 
 ### HTTP request headers
 
- - **Content-Type**: application/json
+ - **Content-Type**: application/json, application/xml
  - **Accept**: application/json
 
 
diff --git a/src/Bandwidth.Standard/Api/CallsApi.cs b/src/Bandwidth.Standard/Api/CallsApi.cs
index 5f3b308..94bf67c 100644
--- a/src/Bandwidth.Standard/Api/CallsApi.cs
+++ b/src/Bandwidth.Standard/Api/CallsApi.cs
@@ -123,7 +123,7 @@ public interface ICallsApiSync : IApiAccessor
         /// <exception cref="Bandwidth.Standard.Client.ApiException">Thrown when fails to make API call</exception>
         /// <param name="accountId">Your Bandwidth Account ID.</param>
         /// <param name="callId">Programmable Voice API Call ID.</param>
-        /// <param name="updateCall">JSON object containing information to redirect an existing call to a new BXML document</param>
+        /// <param name="updateCall">JSON or BXML object containing information to redirect an existing call to a new BXML document</param>
         /// <param name="operationIndex">Index associated with the operation.</param>
         /// <returns></returns>
         void UpdateCall(string accountId, string callId, UpdateCall updateCall, int operationIndex = 0);
@@ -137,7 +137,7 @@ public interface ICallsApiSync : IApiAccessor
         /// <exception cref="Bandwidth.Standard.Client.ApiException">Thrown when fails to make API call</exception>
         /// <param name="accountId">Your Bandwidth Account ID.</param>
         /// <param name="callId">Programmable Voice API Call ID.</param>
-        /// <param name="updateCall">JSON object containing information to redirect an existing call to a new BXML document</param>
+        /// <param name="updateCall">JSON or BXML object containing information to redirect an existing call to a new BXML document</param>
         /// <param name="operationIndex">Index associated with the operation.</param>
         /// <returns>ApiResponse of Object(void)</returns>
         ApiResponse<Object> UpdateCallWithHttpInfo(string accountId, string callId, UpdateCall updateCall, int operationIndex = 0);
@@ -279,7 +279,7 @@ public interface ICallsApiAsync : IApiAccessor
         /// <exception cref="Bandwidth.Standard.Client.ApiException">Thrown when fails to make API call</exception>
         /// <param name="accountId">Your Bandwidth Account ID.</param>
         /// <param name="callId">Programmable Voice API Call ID.</param>
-        /// <param name="updateCall">JSON object containing information to redirect an existing call to a new BXML document</param>
+        /// <param name="updateCall">JSON or BXML object containing information to redirect an existing call to a new BXML document</param>
         /// <param name="operationIndex">Index associated with the operation.</param>
         /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
         /// <returns>Task of void</returns>
@@ -294,7 +294,7 @@ public interface ICallsApiAsync : IApiAccessor
         /// <exception cref="Bandwidth.Standard.Client.ApiException">Thrown when fails to make API call</exception>
         /// <param name="accountId">Your Bandwidth Account ID.</param>
         /// <param name="callId">Programmable Voice API Call ID.</param>
-        /// <param name="updateCall">JSON object containing information to redirect an existing call to a new BXML document</param>
+        /// <param name="updateCall">JSON or BXML object containing information to redirect an existing call to a new BXML document</param>
         /// <param name="operationIndex">Index associated with the operation.</param>
         /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
         /// <returns>Task of ApiResponse</returns>
@@ -1044,7 +1044,7 @@ public Bandwidth.Standard.Client.ApiResponse<CallState> GetCallStateWithHttpInfo
         /// <exception cref="Bandwidth.Standard.Client.ApiException">Thrown when fails to make API call</exception>
         /// <param name="accountId">Your Bandwidth Account ID.</param>
         /// <param name="callId">Programmable Voice API Call ID.</param>
-        /// <param name="updateCall">JSON object containing information to redirect an existing call to a new BXML document</param>
+        /// <param name="updateCall">JSON or BXML object containing information to redirect an existing call to a new BXML document</param>
         /// <param name="operationIndex">Index associated with the operation.</param>
         /// <returns></returns>
         public void UpdateCall(string accountId, string callId, UpdateCall updateCall, int operationIndex = 0)
@@ -1058,7 +1058,7 @@ public void UpdateCall(string accountId, string callId, UpdateCall updateCall, i
         /// <exception cref="Bandwidth.Standard.Client.ApiException">Thrown when fails to make API call</exception>
         /// <param name="accountId">Your Bandwidth Account ID.</param>
         /// <param name="callId">Programmable Voice API Call ID.</param>
-        /// <param name="updateCall">JSON object containing information to redirect an existing call to a new BXML document</param>
+        /// <param name="updateCall">JSON or BXML object containing information to redirect an existing call to a new BXML document</param>
         /// <param name="operationIndex">Index associated with the operation.</param>
         /// <returns>ApiResponse of Object(void)</returns>
         public Bandwidth.Standard.Client.ApiResponse<Object> UpdateCallWithHttpInfo(string accountId, string callId, UpdateCall updateCall, int operationIndex = 0)
@@ -1084,7 +1084,8 @@ public Bandwidth.Standard.Client.ApiResponse<Object> UpdateCallWithHttpInfo(stri
             Bandwidth.Standard.Client.RequestOptions localVarRequestOptions = new Bandwidth.Standard.Client.RequestOptions();
 
             string[] _contentTypes = new string[] {
-                "application/json"
+                "application/json",
+                "application/xml"
             };
 
             // to determine the Accept header
@@ -1138,7 +1139,7 @@ public Bandwidth.Standard.Client.ApiResponse<Object> UpdateCallWithHttpInfo(stri
         /// <exception cref="Bandwidth.Standard.Client.ApiException">Thrown when fails to make API call</exception>
         /// <param name="accountId">Your Bandwidth Account ID.</param>
         /// <param name="callId">Programmable Voice API Call ID.</param>
-        /// <param name="updateCall">JSON object containing information to redirect an existing call to a new BXML document</param>
+        /// <param name="updateCall">JSON or BXML object containing information to redirect an existing call to a new BXML document</param>
         /// <param name="operationIndex">Index associated with the operation.</param>
         /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
         /// <returns>Task of void</returns>
@@ -1153,7 +1154,7 @@ public Bandwidth.Standard.Client.ApiResponse<Object> UpdateCallWithHttpInfo(stri
         /// <exception cref="Bandwidth.Standard.Client.ApiException">Thrown when fails to make API call</exception>
         /// <param name="accountId">Your Bandwidth Account ID.</param>
         /// <param name="callId">Programmable Voice API Call ID.</param>
-        /// <param name="updateCall">JSON object containing information to redirect an existing call to a new BXML document</param>
+        /// <param name="updateCall">JSON or BXML object containing information to redirect an existing call to a new BXML document</param>
         /// <param name="operationIndex">Index associated with the operation.</param>
         /// <param name="cancellationToken">Cancellation Token to cancel the request.</param>
         /// <returns>Task of ApiResponse</returns>
@@ -1181,7 +1182,8 @@ public Bandwidth.Standard.Client.ApiResponse<Object> UpdateCallWithHttpInfo(stri
             Bandwidth.Standard.Client.RequestOptions localVarRequestOptions = new Bandwidth.Standard.Client.RequestOptions();
 
             string[] _contentTypes = new string[] {
-                "application/json"
+                "application/json", 
+                "application/xml"
             };
 
             // to determine the Accept header