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Overview

This node allows you to mark a specific WhatsApp chat as unread. It is useful in scenarios where you want to programmatically flag conversations for follow-up or attention, such as in customer support workflows or automated message management systems. For example, after processing messages from a chat, you might mark it unread to remind an agent to review it later.

Properties

Name Meaning
Id The unique identifier of the WhatsApp instance to operate on.
Chat Id The identifier of the chat to mark as unread. Format: <countrycode_short><usernumber>@c.us for individual chats or @g.us for groups.

Output

The node outputs JSON data representing the result of the "mark chat unread" operation. This typically includes confirmation of the action or any relevant status information returned by the WhatsApp API. There is no binary data output.

Dependencies

  • Requires an active connection to the WhatsApp API service via an API key credential.
  • The node uses the base URL https://waapi.app/api/v1 for API requests.
  • Proper authentication credentials must be configured in n8n to authorize requests.

Troubleshooting

  • Invalid Chat Id format: Ensure the chat ID follows the correct pattern (<countrycode><number>@c.us for individuals or @g.us for groups).
  • Authentication errors: Verify that the API key credential is correctly set up and has necessary permissions.
  • Network issues: Confirm that the n8n instance can reach the WhatsApp API endpoint.
  • Operation failure: If marking the chat unread fails, check the API response for error details and ensure the chat exists and is accessible.

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