diff --git a/README.md b/README.md
index 348fa88..6261a9e 100644
--- a/README.md
+++ b/README.md
@@ -2967,6 +2967,82 @@ Example of a comment thread object
 }
 ```
 
+### Create Task Comment
+
+Create a comment on a task (creates a comment together with its first thread). The author is recorded as "via API".
+
+```python
+comment = client.create_task_comment(
+    task_id="YOUR_TASK_ID",
+    points=[185.98, 86.55],
+    text="comment text",
+    frame=1,
+)
+```
+
+#### Parameters
+
+| Name | Type | Required | Description |
+|------|------|----------|-------------|
+| task_id | str | Yes | Task ID the comment belongs to (the task is resolved by task_id alone) |
+| points | list | Yes | Comment position as a numeric array |
+| text | str | Yes | Comment body text |
+| content_id | str | No | Content ID. If omitted and the task has a single content it is auto-selected; required for multi-content tasks |
+| type | str | No | Comment type. Only `text` is supported (default: `text`) |
+| scale | float | No | Canvas scale |
+| frame | int | No | Frame index for sequential/video (1-indexed) |
+| status | str | No | Comment status |
+| priority | int | No | Comment priority |
+| is_resolved | bool | No | Whether the comment is resolved |
+| task_annotation_id | str | No | Annotation ID to anchor the comment to |
+| color | str | No | Hex color like `#ffffff` |
+
+The response has the same shape as a comment object in [Get Task Comments](#get-task-comments).
+
+### Add a Comment Thread (Reply)
+
+Add a thread (reply) to an existing comment. The author is recorded as "via API".
+
+```python
+comment = client.create_task_comment(comment_id="YOUR_COMMENT_ID", text="reply text")
+```
+
+#### Parameters
+
+| Name | Type | Required | Description |
+|------|------|----------|-------------|
+| comment_id | str | Yes | Parent comment ID |
+| text | str | Yes | Thread body text |
+
+### Update a Comment Thread
+
+Update the body text of a single thread (message) by its thread ID.
+
+```python
+comment = client.update_task_comment(thread_id="YOUR_THREAD_ID", text="updated text")
+```
+
+#### Parameters
+
+| Name | Type | Required | Description |
+|------|------|----------|-------------|
+| thread_id | str | Yes | Thread ID to update |
+| text | str | Yes | New body text |
+
+### Delete a Comment Thread
+
+Delete a single thread (message) by its thread ID. When the deleted thread is the comment's last remaining thread, the comment itself is also removed.
+
+```python
+client.delete_task_comment(thread_id="YOUR_THREAD_ID")
+```
+
+#### Parameters
+
+| Name | Type | Required | Description |
+|------|------|----------|-------------|
+| thread_id | str | Yes | Thread ID to delete |
+
 ## Project
 
 ### Create Project
diff --git a/fastlabel/__init__.py b/fastlabel/__init__.py
index 3242504..fa28612 100644
--- a/fastlabel/__init__.py
+++ b/fastlabel/__init__.py
@@ -5483,6 +5483,65 @@ def get_task_comments(
             params["limit"] = limit
         return self.api.get_request(endpoint, params=params)
 
+    def create_task_comment(
+        self,
+        task_id: str = None,
+        points: list = None,
+        text: str = None,
+        content_id: str = None,
+        type: str = "text",
+        scale: float = 0,
+        frame: int = 0,
+        status: str = None,
+        priority: int = None,
+        is_resolved: bool = False,
+        task_annotation_id: str = None,
+        color: str = None,
+        comment_id: str = None,
+    ) -> dict:
+        """
+        Create a comment, or add a thread (message/reply) to an existing comment.
+        The author is recorded as "via API".
+        """
+        if comment_id is not None:
+            return self.api.post_request(
+                "comments/" + comment_id + "/threads", payload={"text": text}
+            )
+        endpoint = "comments"
+        payload = {
+            "taskId": task_id,
+            "points": points,
+            "text": text,
+            "type": type,
+            "isResolved": is_resolved,
+            "scale": scale,
+            "frame": frame,
+        }
+        if content_id is not None:
+            payload["contentId"] = content_id
+        if status is not None:
+            payload["status"] = status
+        if priority is not None:
+            payload["priority"] = priority
+        if task_annotation_id is not None:
+            payload["taskAnnotationId"] = task_annotation_id
+        if color is not None:
+            payload["color"] = color
+        return self.api.post_request(endpoint, payload=payload)
+
+    def update_task_comment(self, thread_id: str, text: str) -> dict:
+        """
+        Update the body text of a comment thread (message) by its id.
+        """
+        endpoint = "comments/threads/" + thread_id
+        return self.api.put_request(endpoint, payload={"text": text})
+
+    def delete_task_comment(self, thread_id: str) -> None:
+        """
+        Delete a comment thread (message) by its id.
+        """
+        self.api.delete_request("comments/threads/" + thread_id)
+
     def get_project_comments(
         self,
         project: str,