How to Use ClickUp Chat Tagged Users

How to Use the ClickUp Chat Tagged Users API

The ClickUp developer platform includes a Chat Tagged Users endpoint that lets you retrieve all users mentioned in a specific chat message. This how-to guide walks you through the required URL, parameters, authentication, and response format so you can reliably integrate tagged users into your app or automation.

Understanding the ClickUp Chat Tagged Users Endpoint

The endpoint you will use is designed to return every user that has been tagged in a particular chat message inside a task. It is a read-only operation and does not modify any data in your workspace.

You will call a dedicated URL using an HTTP GET request. The key identifiers are the task that contains the chat and the specific chat message.

ClickUp API URL Structure

The general path for this endpoint is:

/api/v2/task/{task_id}/chat/{chat_id}/tagged_users

Where:

  • {task_id} is the unique ID of the task that contains the chat message.
  • {chat_id} is the unique ID of the chat message whose tagged users you want to fetch.

The base URL for the public API is typically:

https://api.clickup.com

Combined, your full request URL will look like:

GET https://api.clickup.com/api/v2/task/{task_id}/chat/{chat_id}/tagged_users

Prerequisites for Using the ClickUp API

Before you can call this endpoint, make sure you have the following items in place in your ClickUp environment:

  • An active ClickUp workspace with access to the relevant task and chat.
  • A valid ClickUp API token with permission to read the task and its comments or chats.
  • The task ID and chat message ID for the resource you want to query.

If you are working on a broader implementation or need help with API integration strategy, you can find consulting and technical guidance at Consultevo.

Required Authentication Header

The ClickUp Chat Tagged Users endpoint requires authentication via an HTTP header. You must include your personal or OAuth token:

Authorization: <your_clickup_api_token>

Make sure:

  • You never expose this token in client-side code.
  • You store it securely on your server or in a secrets manager.

Step-by-Step: Call the ClickUp Chat Tagged Users Endpoint

Follow these steps to retrieve tagged users from a chat message.

1. Collect Task and Chat IDs from ClickUp

First, identify the task and chat message you are interested in:

  1. Open the task in the ClickUp web app.
  2. Locate the chat or comment where users are tagged.
  3. Use the ClickUp UI or developer tools to obtain the task ID and chat ID, depending on how your application is set up.

Your integration or custom app may already store these IDs when creating or listing comments.

2. Build the Request URL

Insert the IDs into the path:

https://api.clickup.com/api/v2/task/TASK_ID_HERE/chat/CHAT_ID_HERE/tagged_users

Check that:

  • The task ID is correct and belongs to a task within your ClickUp workspace.
  • The chat ID corresponds to a chat or comment inside that task.

3. Add the ClickUp Authorization Header

Prepare your HTTP GET request with the authorization header. For example, in a typical request tool or in server-side code you would include:

Authorization: YOUR_CLICKUP_TOKEN

No request body is required because this is a simple retrieval operation.

4. Send the Request

Use your preferred HTTP client:

  • Command line tools such as curl.
  • Postman or similar API clients.
  • Server-side code in Node.js, Python, or any language that supports HTTP.

For example, a minimal curl request might look like:

curl -X GET 
  -H "Authorization: YOUR_CLICKUP_TOKEN" 
  "https://api.clickup.com/api/v2/task/TASK_ID/chat/CHAT_ID/tagged_users"

Interpreting the ClickUp API Response

The ClickUp Chat Tagged Users endpoint returns a JSON payload with details about each tagged user. While the exact structure may evolve, you can expect an array of user objects with their identifiers and key attributes.

Typical Response Fields

Common properties for each user in the response can include:

  • id: The unique identifier of the user in ClickUp.
  • username or email: The name or email of the tagged user.
  • color or profile details: Optional display or profile properties.

You should always check the latest official documentation for the exact schema of the Chat Tagged Users response.

Handling Empty or Error Responses in ClickUp Integrations

When integrating this endpoint into your ClickUp-based workflows, handle edge cases carefully:

  • No tagged users: The array may be empty if the chat contains no mentions.
  • Missing or invalid IDs: The API may return an error status if the task or chat ID is incorrect.
  • Permission issues: If your token does not have access to the task, the request will fail with an authorization error.

Always log the HTTP status code and error message for debugging and add retry or fallback logic when appropriate.

Best Practices for Using ClickUp Tagged Users Data

Once you have the list of tagged users from ClickUp, you can apply it in different parts of your system.

Use Cases for ClickUp Chat Tagged Users

  • Notifications: Trigger external notifications to users who were mentioned in a chat message.
  • Reporting: Build reports on how often certain team members are tagged in ClickUp discussions.
  • Automation: Start workflows in other tools when specific people are tagged inside a ClickUp task chat.

Security and Rate Limits

When you rely on this endpoint as part of a large ClickUp integration, keep security and performance in mind:

  • Protect your API token from leaks.
  • Cache results if you request the same chat repeatedly.
  • Monitor ClickUp API rate limits to avoid hitting thresholds.

Where to Find the Official ClickUp Reference

For the latest details on parameters, headers, and response objects, always refer to the official API reference. You can view the ClickUp Chat Tagged Users documentation at this API endpoint page. That resource is maintained by the ClickUp team and is the source of truth for any changes to the path, authentication requirements, or response format.

By following the steps in this guide and consulting the official reference, you can confidently integrate tagged user data from ClickUp chats into your own applications, automations, or reporting workflows.

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