diff --git a/src/cli/Neuphonic.CLI/Neuphonic.CLI.csproj b/src/cli/Neuphonic.CLI/Neuphonic.CLI.csproj
index 6f25652..2cdb3a7 100644
--- a/src/cli/Neuphonic.CLI/Neuphonic.CLI.csproj
+++ b/src/cli/Neuphonic.CLI/Neuphonic.CLI.csproj
@@ -18,11 +18,11 @@
     <None Include="README.md" Pack="true" PackagePath="\" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="MinVer" Version="8.0.0">
+    <PackageReference Include="MinVer" Version="7.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="System.CommandLine" Version="2.0.12" />
+    <PackageReference Include="System.CommandLine" Version="2.0.7" />
     <ProjectReference Include="../../libs/Neuphonic/Neuphonic.csproj" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/src/libs/Neuphonic/Generated/Neuphonic.AgentsClient.Authorizations.ApiKeyInHeader.g.cs b/src/libs/Neuphonic/Generated/Neuphonic.AgentsClient.Authorizations.ApiKeyInHeader.g.cs
new file mode 100644
index 0000000..7d64b5b
--- /dev/null
+++ b/src/libs/Neuphonic/Generated/Neuphonic.AgentsClient.Authorizations.ApiKeyInHeader.g.cs
@@ -0,0 +1,36 @@
+
+#nullable enable
+
+namespace Neuphonic
+{
+    public sealed partial class AgentsClient
+    {
+
+        /// <inheritdoc/>
+        public void AuthorizeUsingApiKeyInHeader(
+            string apiKey)
+        {
+            apiKey = apiKey ?? throw new global::System.ArgumentNullException(nameof(apiKey));
+
+            for (var i = Authorizations.Count - 1; i >= 0; i--)
+            {
+                var __authorization = Authorizations[i];
+                if (__authorization.Type == "ApiKey" &&
+                    __authorization.Location == "Header" &&
+                    __authorization.Name == "X-API-KEY")
+                {
+                    Authorizations.RemoveAt(i);
+                }
+            }
+
+            Authorizations.Add(new global::Neuphonic.EndPointAuthorization
+            {
+                Type = "ApiKey",
+                SchemeId = "ApikeyXApiKey",
+                Location = "Header",
+                Name = "X-API-KEY",
+                Value = apiKey,
+            });
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/libs/Neuphonic/Generated/Neuphonic.AgentsClient.Constructors.ApiKeyInHeader.g.cs b/src/libs/Neuphonic/Generated/Neuphonic.AgentsClient.Constructors.ApiKeyInHeader.g.cs
new file mode 100644
index 0000000..d99ee7d
--- /dev/null
+++ b/src/libs/Neuphonic/Generated/Neuphonic.AgentsClient.Constructors.ApiKeyInHeader.g.cs
@@ -0,0 +1,31 @@
+
+#nullable enable
+
+namespace Neuphonic
+{
+    public sealed partial class AgentsClient
+    {
+        /// <inheritdoc cref="AgentsClient(global::System.Net.Http.HttpClient?, global::System.Uri?, global::System.Collections.Generic.List{global::Neuphonic.EndPointAuthorization}?, bool)"/>
+
+        public AgentsClient(
+            string apiKey,
+            global::System.Net.Http.HttpClient? httpClient = null,
+            global::System.Uri? baseUri = null,
+            global::System.Collections.Generic.List<global::Neuphonic.EndPointAuthorization>? authorizations = null,
+            bool disposeHttpClient = true) : this(httpClient, baseUri, authorizations, disposeHttpClient)
+        {
+            Authorizing(HttpClient, ref apiKey);
+
+            AuthorizeUsingApiKeyInHeader(apiKey);
+
+            Authorized(HttpClient);
+        }
+
+        partial void Authorizing(
+            global::System.Net.Http.HttpClient client,
+            ref string apiKey);
+        partial void Authorized(
+            global::System.Net.Http.HttpClient client);
+
+    }
+}
\ No newline at end of file
diff --git a/src/libs/Neuphonic/Generated/Neuphonic.IAgentsClient.Authorizations.ApiKeyInHeader.g.cs b/src/libs/Neuphonic/Generated/Neuphonic.IAgentsClient.Authorizations.ApiKeyInHeader.g.cs
new file mode 100644
index 0000000..bb3ce58
--- /dev/null
+++ b/src/libs/Neuphonic/Generated/Neuphonic.IAgentsClient.Authorizations.ApiKeyInHeader.g.cs
@@ -0,0 +1,16 @@
+
+#nullable enable
+
+namespace Neuphonic
+{
+    public partial interface IAgentsClient
+    {
+        /// <summary>
+        /// Authorize using ApiKey authentication.
+        /// </summary>
+        /// <param name="apiKey"></param>
+
+        public void AuthorizeUsingApiKeyInHeader(
+            string apiKey);
+    }
+}
\ No newline at end of file
diff --git a/src/libs/Neuphonic/Generated/Neuphonic.ITtsClient.Authorizations.ApiKeyInHeader.g.cs b/src/libs/Neuphonic/Generated/Neuphonic.ITtsClient.Authorizations.ApiKeyInHeader.g.cs
new file mode 100644
index 0000000..94c476a
--- /dev/null
+++ b/src/libs/Neuphonic/Generated/Neuphonic.ITtsClient.Authorizations.ApiKeyInHeader.g.cs
@@ -0,0 +1,16 @@
+
+#nullable enable
+
+namespace Neuphonic
+{
+    public partial interface ITtsClient
+    {
+        /// <summary>
+        /// Authorize using ApiKey authentication.
+        /// </summary>
+        /// <param name="apiKey"></param>
+
+        public void AuthorizeUsingApiKeyInHeader(
+            string apiKey);
+    }
+}
\ No newline at end of file
diff --git a/src/libs/Neuphonic/Generated/Neuphonic.IVoicesClient.Authorizations.ApiKeyInHeader.g.cs b/src/libs/Neuphonic/Generated/Neuphonic.IVoicesClient.Authorizations.ApiKeyInHeader.g.cs
new file mode 100644
index 0000000..aca2b07
--- /dev/null
+++ b/src/libs/Neuphonic/Generated/Neuphonic.IVoicesClient.Authorizations.ApiKeyInHeader.g.cs
@@ -0,0 +1,16 @@
+
+#nullable enable
+
+namespace Neuphonic
+{
+    public partial interface IVoicesClient
+    {
+        /// <summary>
+        /// Authorize using ApiKey authentication.
+        /// </summary>
+        /// <param name="apiKey"></param>
+
+        public void AuthorizeUsingApiKeyInHeader(
+            string apiKey);
+    }
+}
\ No newline at end of file
diff --git a/src/libs/Neuphonic/Generated/Neuphonic.TtsClient.Authorizations.ApiKeyInHeader.g.cs b/src/libs/Neuphonic/Generated/Neuphonic.TtsClient.Authorizations.ApiKeyInHeader.g.cs
new file mode 100644
index 0000000..eee653d
--- /dev/null
+++ b/src/libs/Neuphonic/Generated/Neuphonic.TtsClient.Authorizations.ApiKeyInHeader.g.cs
@@ -0,0 +1,36 @@
+
+#nullable enable
+
+namespace Neuphonic
+{
+    public sealed partial class TtsClient
+    {
+
+        /// <inheritdoc/>
+        public void AuthorizeUsingApiKeyInHeader(
+            string apiKey)
+        {
+            apiKey = apiKey ?? throw new global::System.ArgumentNullException(nameof(apiKey));
+
+            for (var i = Authorizations.Count - 1; i >= 0; i--)
+            {
+                var __authorization = Authorizations[i];
+                if (__authorization.Type == "ApiKey" &&
+                    __authorization.Location == "Header" &&
+                    __authorization.Name == "X-API-KEY")
+                {
+                    Authorizations.RemoveAt(i);
+                }
+            }
+
+            Authorizations.Add(new global::Neuphonic.EndPointAuthorization
+            {
+                Type = "ApiKey",
+                SchemeId = "ApikeyXApiKey",
+                Location = "Header",
+                Name = "X-API-KEY",
+                Value = apiKey,
+            });
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/libs/Neuphonic/Generated/Neuphonic.TtsClient.Constructors.ApiKeyInHeader.g.cs b/src/libs/Neuphonic/Generated/Neuphonic.TtsClient.Constructors.ApiKeyInHeader.g.cs
new file mode 100644
index 0000000..24a2fb6
--- /dev/null
+++ b/src/libs/Neuphonic/Generated/Neuphonic.TtsClient.Constructors.ApiKeyInHeader.g.cs
@@ -0,0 +1,31 @@
+
+#nullable enable
+
+namespace Neuphonic
+{
+    public sealed partial class TtsClient
+    {
+        /// <inheritdoc cref="TtsClient(global::System.Net.Http.HttpClient?, global::System.Uri?, global::System.Collections.Generic.List{global::Neuphonic.EndPointAuthorization}?, bool)"/>
+
+        public TtsClient(
+            string apiKey,
+            global::System.Net.Http.HttpClient? httpClient = null,
+            global::System.Uri? baseUri = null,
+            global::System.Collections.Generic.List<global::Neuphonic.EndPointAuthorization>? authorizations = null,
+            bool disposeHttpClient = true) : this(httpClient, baseUri, authorizations, disposeHttpClient)
+        {
+            Authorizing(HttpClient, ref apiKey);
+
+            AuthorizeUsingApiKeyInHeader(apiKey);
+
+            Authorized(HttpClient);
+        }
+
+        partial void Authorizing(
+            global::System.Net.Http.HttpClient client,
+            ref string apiKey);
+        partial void Authorized(
+            global::System.Net.Http.HttpClient client);
+
+    }
+}
\ No newline at end of file
diff --git a/src/libs/Neuphonic/Generated/Neuphonic.VoicesClient.Authorizations.ApiKeyInHeader.g.cs b/src/libs/Neuphonic/Generated/Neuphonic.VoicesClient.Authorizations.ApiKeyInHeader.g.cs
new file mode 100644
index 0000000..ef67bdd
--- /dev/null
+++ b/src/libs/Neuphonic/Generated/Neuphonic.VoicesClient.Authorizations.ApiKeyInHeader.g.cs
@@ -0,0 +1,36 @@
+
+#nullable enable
+
+namespace Neuphonic
+{
+    public sealed partial class VoicesClient
+    {
+
+        /// <inheritdoc/>
+        public void AuthorizeUsingApiKeyInHeader(
+            string apiKey)
+        {
+            apiKey = apiKey ?? throw new global::System.ArgumentNullException(nameof(apiKey));
+
+            for (var i = Authorizations.Count - 1; i >= 0; i--)
+            {
+                var __authorization = Authorizations[i];
+                if (__authorization.Type == "ApiKey" &&
+                    __authorization.Location == "Header" &&
+                    __authorization.Name == "X-API-KEY")
+                {
+                    Authorizations.RemoveAt(i);
+                }
+            }
+
+            Authorizations.Add(new global::Neuphonic.EndPointAuthorization
+            {
+                Type = "ApiKey",
+                SchemeId = "ApikeyXApiKey",
+                Location = "Header",
+                Name = "X-API-KEY",
+                Value = apiKey,
+            });
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/libs/Neuphonic/Generated/Neuphonic.VoicesClient.Constructors.ApiKeyInHeader.g.cs b/src/libs/Neuphonic/Generated/Neuphonic.VoicesClient.Constructors.ApiKeyInHeader.g.cs
new file mode 100644
index 0000000..c7c5674
--- /dev/null
+++ b/src/libs/Neuphonic/Generated/Neuphonic.VoicesClient.Constructors.ApiKeyInHeader.g.cs
@@ -0,0 +1,31 @@
+
+#nullable enable
+
+namespace Neuphonic
+{
+    public sealed partial class VoicesClient
+    {
+        /// <inheritdoc cref="VoicesClient(global::System.Net.Http.HttpClient?, global::System.Uri?, global::System.Collections.Generic.List{global::Neuphonic.EndPointAuthorization}?, bool)"/>
+
+        public VoicesClient(
+            string apiKey,
+            global::System.Net.Http.HttpClient? httpClient = null,
+            global::System.Uri? baseUri = null,
+            global::System.Collections.Generic.List<global::Neuphonic.EndPointAuthorization>? authorizations = null,
+            bool disposeHttpClient = true) : this(httpClient, baseUri, authorizations, disposeHttpClient)
+        {
+            Authorizing(HttpClient, ref apiKey);
+
+            AuthorizeUsingApiKeyInHeader(apiKey);
+
+            Authorized(HttpClient);
+        }
+
+        partial void Authorizing(
+            global::System.Net.Http.HttpClient client,
+            ref string apiKey);
+        partial void Authorized(
+            global::System.Net.Http.HttpClient client);
+
+    }
+}
\ No newline at end of file