diff --git a/src/AnthropicClient/Models/AnthropicEvent.cs b/src/AnthropicClient/Models/AnthropicEvent.cs
index 2205fd3..c738e35 100644
--- a/src/AnthropicClient/Models/AnthropicEvent.cs
+++ b/src/AnthropicClient/Models/AnthropicEvent.cs
@@ -2,9 +2,19 @@ using System.Text.Json.Serialization;
 
 namespace AnthropicClient.Models;
 
+/// <summary>
+/// Represents an event from the Anthropic API.
+/// </summary>
 public class AnthropicEvent
 {
+  /// <summary>
+  /// The type of the event.
+  /// </summary>
   public string Type { get; init; } = string.Empty;
+
+  /// <summary>
+  /// The data associated with the event.
+  /// </summary>
   public EventData Data { get; init; } = default!;
 
   [JsonConstructor]
@@ -12,6 +22,12 @@ public class AnthropicEvent
   {
   }
 
+  /// <summary>
+  /// Initializes a new instance of the <see cref="AnthropicEvent"/> class.
+  /// </summary>
+  /// <param name="type">The type of the event.</param>
+  /// <param name="data">The data associated with the event.</param>
+  /// <returns>A new instance of the <see cref="AnthropicEvent"/> class.</returns>
   public AnthropicEvent(string type, EventData data)
   {
     Type = type;
diff --git a/src/AnthropicClient/Models/ContentDelta.cs b/src/AnthropicClient/Models/ContentDelta.cs
index fbc0484..0d23d02 100644
--- a/src/AnthropicClient/Models/ContentDelta.cs
+++ b/src/AnthropicClient/Models/ContentDelta.cs
@@ -1,9 +1,20 @@
 namespace AnthropicClient.Models;
 
+/// <summary>
+/// Represents a content delta.
+/// </summary>
 public abstract class ContentDelta
 {
+  /// <summary>
+  /// Gets the type of the content delta.
+  /// </summary>
   public string Type { get; init; }
 
+  /// <summary>
+  /// Initializes a new instance of the <see cref="ContentDelta"/> class.
+  /// </summary>
+  /// <param name="type">The type of the content delta.</param>
+  /// <returns>A new instance of the <see cref="ContentDelta"/> class.</returns>
   protected ContentDelta(string type)
   {
     Type = type;
diff --git a/src/AnthropicClient/Models/ContentDeltaEventData.cs b/src/AnthropicClient/Models/ContentDeltaEventData.cs
index 4439a8e..625ca64 100644
--- a/src/AnthropicClient/Models/ContentDeltaEventData.cs
+++ b/src/AnthropicClient/Models/ContentDeltaEventData.cs
@@ -2,9 +2,19 @@ using System.Text.Json.Serialization;
 
 namespace AnthropicClient.Models;
 
+/// <summary>
+/// Represents data for a content_block_delta event.
+/// </summary>
 public class ContentDeltaEventData : EventData
 {
+  /// <summary>
+  /// Gets the index of the content block.
+  /// </summary>
   public int Index { get; init; }
+
+  /// <summary>
+  /// Gets the content delta.
+  /// </summary>
   public ContentDelta Delta { get; init; } = default!;
 
   [JsonConstructor]
@@ -12,6 +22,12 @@ public class ContentDeltaEventData : EventData
   {
   }
 
+  /// <summary>
+  /// Initializes a new instance of the <see cref="ContentDeltaEventData"/> class.
+  /// </summary>
+  /// <param name="index">The index of the content block.</param>
+  /// <param name="delta">The content delta.</param>
+  /// <returns>A new instance of the <see cref="ContentDeltaEventData"/> class.</returns>
   public ContentDeltaEventData(int index, ContentDelta delta) : base(EventType.ContentBlockDelta)
   {
     Index = index;
diff --git a/src/AnthropicClient/Models/ContentDeltaType.cs b/src/AnthropicClient/Models/ContentDeltaType.cs
index b5096f3..00c86a7 100644
--- a/src/AnthropicClient/Models/ContentDeltaType.cs
+++ b/src/AnthropicClient/Models/ContentDeltaType.cs
@@ -1,7 +1,17 @@
 namespace AnthropicClient.Models;
 
+/// <summary>
+/// Provides constants for content delta types.
+/// </summary>
 public static class ContentDeltaType
 {
+  /// <summary>
+  /// The text_delta.
+  /// </summary>
   public const string TextDelta = "text_delta";
+
+  /// <summary>
+  /// The input_json_delta.
+  /// </summary>
   public const string JsonDelta = "input_json_delta";
 }
\ No newline at end of file
diff --git a/src/AnthropicClient/Models/ContentStartEventData.cs b/src/AnthropicClient/Models/ContentStartEventData.cs
index ed2c9cf..0acecb7 100644
--- a/src/AnthropicClient/Models/ContentStartEventData.cs
+++ b/src/AnthropicClient/Models/ContentStartEventData.cs
@@ -2,10 +2,19 @@ using System.Text.Json.Serialization;
 
 namespace AnthropicClient.Models;
 
+/// <summary>
+/// Represents data for a content_block_start event.
+/// </summary>
 public class ContentStartEventData : EventData
 {
+  /// <summary>
+  /// Gets the index of the content block.
+  /// </summary>
   public int Index { get; init; }
 
+  /// <summary>
+  /// Gets the content block.
+  /// </summary>
   [JsonPropertyName("content_block")]
   public Content ContentBlock { get; init; } = default!;
 
@@ -14,6 +23,12 @@ public class ContentStartEventData : EventData
   {
   }
 
+  /// <summary>
+  /// Initializes a new instance of the <see cref="ContentStartEventData"/> class.
+  /// </summary>
+  /// <param name="index">The index of the content block.</param>
+  /// <param name="contentBlock">The content block.</param>
+  /// <returns>A new instance of the <see cref="ContentStartEventData"/> class.</returns>
   public ContentStartEventData(int index, Content contentBlock) : base(EventType.ContentBlockStart)
   {
     Index = index;
diff --git a/src/AnthropicClient/Models/ContentStopEventData.cs b/src/AnthropicClient/Models/ContentStopEventData.cs
index b0ac609..56ef10b 100644
--- a/src/AnthropicClient/Models/ContentStopEventData.cs
+++ b/src/AnthropicClient/Models/ContentStopEventData.cs
@@ -2,8 +2,14 @@ using System.Text.Json.Serialization;
 
 namespace AnthropicClient.Models;
 
+/// <summary>
+/// Represents data for a content_block_stop event.
+/// </summary>
 public class ContentStopEventData : EventData
 {
+  /// <summary>
+  /// Gets the index of the content block.
+  /// </summary>
   public int Index { get; init; }
 
   [JsonConstructor]
@@ -11,6 +17,11 @@ public class ContentStopEventData : EventData
   {
   }
 
+  /// <summary>
+  /// Initializes a new instance of the <see cref="ContentStopEventData"/> class.
+  /// </summary>
+  /// <param name="index">The index of the content block.</param>
+  /// <returns>A new instance of the <see cref="ContentStopEventData"/> class.</returns>
   public ContentStopEventData(int index) : base(EventType.ContentBlockStop)
   {
     Index = index;
diff --git a/src/AnthropicClient/Models/ErrorEventData.cs b/src/AnthropicClient/Models/ErrorEventData.cs
index a0b0af2..d465571 100644
--- a/src/AnthropicClient/Models/ErrorEventData.cs
+++ b/src/AnthropicClient/Models/ErrorEventData.cs
@@ -2,8 +2,14 @@ using System.Text.Json.Serialization;
 
 namespace AnthropicClient.Models;
 
+/// <summary>
+/// Represents data for an error event.
+/// </summary>
 public class ErrorEventData : EventData
 {
+  /// <summary>
+  /// Gets the error.
+  /// </summary>
   public Error Error { get; init; } = default!;
 
   [JsonConstructor]
@@ -11,6 +17,11 @@ public class ErrorEventData : EventData
   {
   }
 
+  /// <summary>
+  /// Initializes a new instance of the <see cref="ErrorEventData"/> class.
+  /// </summary>
+  /// <param name="error">The error.</param>
+  /// <returns>A new instance of the <see cref="ErrorEventData"/> class.</returns>
   public ErrorEventData(Error error) : base(EventType.Error)
   {
     Error = error;
diff --git a/src/AnthropicClient/Models/EventData.cs b/src/AnthropicClient/Models/EventData.cs
index d40914a..5f58b44 100644
--- a/src/AnthropicClient/Models/EventData.cs
+++ b/src/AnthropicClient/Models/EventData.cs
@@ -1,9 +1,20 @@
 namespace AnthropicClient.Models;
 
+/// <summary>
+/// Represents data for an event.
+/// </summary>
 public abstract class EventData
 {
+  /// <summary>
+  /// Gets the type of the event.
+  /// </summary>
   public string Type { get; init; }
 
+  /// <summary>
+  /// Initializes a new instance of the <see cref="EventData"/> class.
+  /// </summary>
+  /// <param name="type">The type of the event.</param>
+  /// <returns>A new instance of the <see cref="EventData"/> class.</returns>
   protected EventData(string type)
   {
     Type = type;
diff --git a/src/AnthropicClient/Models/EventType.cs b/src/AnthropicClient/Models/EventType.cs
index 48c652f..fef6447 100644
--- a/src/AnthropicClient/Models/EventType.cs
+++ b/src/AnthropicClient/Models/EventType.cs
@@ -1,14 +1,52 @@
 namespace AnthropicClient.Models;
 
+/// <summary>
+/// Provides constants for event types.
+/// </summary>
 public static class EventType
 {
+  /// <summary>
+  /// Represents the error event type.
+  /// </summary>
   public const string Error = "error";
+
+  /// <summary>
+  /// Represents the ping event type.
+  /// </summary>
   public const string Ping = "ping";
+
+  /// <summary>
+  /// Represents the message_start event type.
+  /// </summary>
   public const string MessageStart = "message_start";
+
+  /// <summary>
+  /// Represents the message_delta event type.
+  /// </summary>
   public const string MessageDelta = "message_delta";
+
+  /// <summary>
+  /// Represents the message_stop event type.
+  /// </summary>
   public const string MessageStop = "message_stop";
+
+  /// <summary>
+  /// Represents the message_complete event type.
+  /// </summary>
   public const string MessageComplete = "message_complete";
+
+  /// <summary>
+  /// Represents the content_block_start event type.
+  /// </summary>
   public const string ContentBlockStart = "content_block_start";
+
+  /// <summary>
+  /// Represents the content_block_delta event type.
+  /// </summary>
   public const string ContentBlockDelta = "content_block_delta";
+
+  /// <summary>
+  /// Represents the content_block_stop event type.
+  /// </summary>
   public const string ContentBlockStop = "content_block_stop";
 }
\ No newline at end of file
diff --git a/src/AnthropicClient/Models/JsonDelta.cs b/src/AnthropicClient/Models/JsonDelta.cs
index 80c8b00..f0c9749 100644
--- a/src/AnthropicClient/Models/JsonDelta.cs
+++ b/src/AnthropicClient/Models/JsonDelta.cs
@@ -2,8 +2,14 @@ using System.Text.Json.Serialization;
 
 namespace AnthropicClient.Models;
 
+/// <summary>
+/// Represents a JSON delta.
+/// </summary>
 public class JsonDelta : ContentDelta
 {
+  /// <summary>
+  /// Gets the partial JSON.
+  /// </summary>
   [JsonPropertyName("partial_json")]
   public string PartialJson { get; init; } = string.Empty;
 
@@ -12,6 +18,11 @@ public class JsonDelta : ContentDelta
   {
   }
 
+  /// <summary>
+  /// Initializes a new instance of the <see cref="JsonDelta"/> class.
+  /// </summary>
+  /// <param name="partialJson">The partial JSON.</param>
+  /// <returns>A new instance of the <see cref="JsonDelta"/> class.</returns>
   public JsonDelta(string partialJson) : base(ContentDeltaType.JsonDelta)
   {
     PartialJson = partialJson;
diff --git a/src/AnthropicClient/Models/MessageCompleteEventData.cs b/src/AnthropicClient/Models/MessageCompleteEventData.cs
index bdd62df..1b694aa 100644
--- a/src/AnthropicClient/Models/MessageCompleteEventData.cs
+++ b/src/AnthropicClient/Models/MessageCompleteEventData.cs
@@ -1,10 +1,26 @@
 namespace AnthropicClient.Models;
 
+/// <summary>
+/// Represents data for the message_complete event.
+/// </summary>
 public class MessageCompleteEventData : EventData
 {
+  /// <summary>
+  /// Gets the anthropic headers.
+  /// </summary>
   public AnthropicHeaders Headers { get; init; }
+
+  /// <summary>
+  /// Gets the chat response message.
+  /// </summary>
   public ChatResponse Message { get; init; }
 
+  /// <summary>
+  /// Initializes a new instance of the <see cref="MessageCompleteEventData"/> class.
+  /// </summary>
+  /// <param name="message">The chat response message.</param>
+  /// <param name="headers">The anthropic headers.</param>
+  /// <returns>A new instance of the <see cref="MessageCompleteEventData"/> class.</returns>
   public MessageCompleteEventData(ChatResponse message, AnthropicHeaders headers) : base(EventType.MessageComplete)
   {
     Message = message;
diff --git a/src/AnthropicClient/Models/MessageDeltaEventData.cs b/src/AnthropicClient/Models/MessageDeltaEventData.cs
index b150d2e..5bc1c67 100644
--- a/src/AnthropicClient/Models/MessageDeltaEventData.cs
+++ b/src/AnthropicClient/Models/MessageDeltaEventData.cs
@@ -2,9 +2,19 @@ using System.Text.Json.Serialization;
 
 namespace AnthropicClient.Models;
 
+/// <summary>
+/// Represents data for a message_delta event.
+/// </summary>
 public class MessageDeltaEventData : EventData
 {
+  /// <summary>
+  /// Gets the message delta.
+  /// </summary>
   public MessageDelta Delta { get; init; } = new();
+
+  /// <summary>
+  /// Gets the chat usage.
+  /// </summary>
   public ChatUsage Usage { get; init; } = new();
 
   [JsonConstructor]
@@ -12,6 +22,12 @@ public class MessageDeltaEventData : EventData
   {
   }
 
+  /// <summary>
+  /// Initializes a new instance of the <see cref="MessageDeltaEventData"/> class.
+  /// </summary>
+  /// <param name="delta">The message delta.</param>
+  /// <param name="usage">The chat usage.</param>
+  /// <returns>A new instance of the <see cref="MessageDeltaEventData"/> class.</returns>
   public MessageDeltaEventData(MessageDelta delta, ChatUsage usage) : base(EventType.MessageDelta)
   {
     Delta = delta;
@@ -19,11 +35,20 @@ public class MessageDeltaEventData : EventData
   }
 }
 
+/// <summary>
+/// Represents a message delta.
+/// </summary>
 public class MessageDelta
 {
+  /// <summary>
+  /// Gets the stop reason.
+  /// </summary>
   [JsonPropertyName("stop_reason")]
   public string StopReason { get; init; } = string.Empty;
 
+  /// <summary>
+  /// Gets the stop sequence.
+  /// </summary>
   [JsonPropertyName("stop_sequence")]
   public string StopSequence { get; init; } = string.Empty;
 
@@ -32,6 +57,12 @@ public class MessageDelta
   {
   }
 
+  /// <summary>
+  /// Initializes a new instance of the <see cref="MessageDelta"/> class.
+  /// </summary>
+  /// <param name="stopReason">The stop reason.</param>
+  /// <param name="stopSequence">The stop sequence.</param>
+  /// <returns>A new instance of the <see cref="MessageDelta"/> class.</returns>
   public MessageDelta(string stopReason, string stopSequence)
   {
     StopReason = stopReason;
diff --git a/src/AnthropicClient/Models/MessageStartEventData.cs b/src/AnthropicClient/Models/MessageStartEventData.cs
index ccf5c18..f095332 100644
--- a/src/AnthropicClient/Models/MessageStartEventData.cs
+++ b/src/AnthropicClient/Models/MessageStartEventData.cs
@@ -2,8 +2,14 @@ using System.Text.Json.Serialization;
 
 namespace AnthropicClient.Models;
 
+/// <summary>
+/// Represents data for a message_start event.
+/// </summary>
 public class MessageStartEventData : EventData
 {
+  /// <summary>
+  /// Gets the message.
+  /// </summary>
   public ChatResponse Message { get; init; } = new();
 
   [JsonConstructor]
@@ -11,6 +17,11 @@ public class MessageStartEventData : EventData
   {
   }
 
+  /// <summary>
+  /// Initializes a new instance of the <see cref="MessageStartEventData"/> class.
+  /// </summary>
+  /// <param name="message">The message.</param>
+  /// <returns>A new instance of the <see cref="MessageStartEventData"/> class.</returns>
   public MessageStartEventData(ChatResponse message) : base(EventType.MessageStart)
   {
     Message = message;
diff --git a/src/AnthropicClient/Models/MessageStopEventData.cs b/src/AnthropicClient/Models/MessageStopEventData.cs
index ed781e6..fac7dd1 100644
--- a/src/AnthropicClient/Models/MessageStopEventData.cs
+++ b/src/AnthropicClient/Models/MessageStopEventData.cs
@@ -1,7 +1,14 @@
 namespace AnthropicClient.Models;
 
+/// <summary>
+/// Represents data for a message_stop event.
+/// </summary>
 public class MessageStopEventData : EventData
 {
+  /// <summary>
+  /// Initializes a new instance of the <see cref="MessageStopEventData"/> class.
+  /// </summary>
+  /// <returns>A new instance of the <see cref="MessageStopEventData"/> class.</returns>
   public MessageStopEventData() : base(EventType.MessageStop)
   {
   }
diff --git a/src/AnthropicClient/Models/PingEventData.cs b/src/AnthropicClient/Models/PingEventData.cs
index e288154..425571d 100644
--- a/src/AnthropicClient/Models/PingEventData.cs
+++ b/src/AnthropicClient/Models/PingEventData.cs
@@ -1,7 +1,14 @@
 namespace AnthropicClient.Models;
 
+/// <summary>
+/// Represents data for a ping event.
+/// </summary>
 public class PingEventData : EventData
 {
+  /// <summary>
+  /// Initializes a new instance of the <see cref="PingEventData"/> class.
+  /// </summary>
+  /// <returns>A new instance of the <see cref="PingEventData"/> class.</returns>
   public PingEventData() : base(EventType.Ping)
   {
   }
diff --git a/src/AnthropicClient/Models/TextDelta.cs b/src/AnthropicClient/Models/TextDelta.cs
index 0768ca2..54dbfd7 100644
--- a/src/AnthropicClient/Models/TextDelta.cs
+++ b/src/AnthropicClient/Models/TextDelta.cs
@@ -2,8 +2,14 @@ using System.Text.Json.Serialization;
 
 namespace AnthropicClient.Models;
 
+/// <summary>
+/// Represents a text delta.
+/// </summary>
 public class TextDelta : ContentDelta
 {
+  /// <summary>
+  /// Gets the text.
+  /// </summary>
   public string Text { get; set; } = string.Empty;
 
   [JsonConstructor]
@@ -11,6 +17,11 @@ public class TextDelta : ContentDelta
   {
   }
 
+  /// <summary>
+  /// Initializes a new instance of the <see cref="TextDelta"/> class.
+  /// </summary>
+  /// <param name="text">The text.</param>
+  /// <returns>A new instance of the <see cref="TextDelta"/> class.</returns>
   public TextDelta(string text) : base(ContentDeltaType.TextDelta)
   {
     Text = text;