Delete a reaction from a message

This guide explains how to use the delete method on the Reaction resource of the Google Chat API to delete a reaction from a message—like 👍, 🚲, and 🌞. Deleting a reaction doesn't delete the message.

The Reaction resource represents an emoji that people can use to react to a message, such as 👍, 🚲, and 🌞.



  • Python 3.6 or greater
  • The pip package management tool
  • The latest Google client libraries for Python. To install or update them, run the following command in your command-line interface:

    pip3 install --upgrade google-api-python-client google-auth-httplib2 google-auth-oauthlib oauth2client
  • A published Chat app. To create and publish a Chat app, see Build a Google Chat app.

  • Authorization configured for the Chat app. Deleting a reaction requires User authentication with the chat.messages.reactions or chat.messages authorization scope.

Delete a reaction

To delete a reaction from a message, pass the following in your request:

  • Specify the chat.messages.reactions or the chat.messages authorization scope.
  • Call the delete method on the Reaction resource.
  • Set name to the resource name of the reaction to delete.

The following example deletes the 😀 reaction from a message:


  1. In your working directory, create a file named
  2. Include the following code in

    import os.path
    from google.auth.transport.requests import Request
    from google.oauth2.credentials import Credentials
    from google_auth_oauthlib.flow import InstalledAppFlow
    from googleapiclient.discovery import build
    from googleapiclient.errors import HttpError
    # Define your app's authorization scopes.
    # When modifying these scopes, delete the file token.json, if it exists.
    SCOPES = [""]
    def main():
        Authenticates with Chat API via user credentials,
        then deletes a reaction to a message.
        # Authenticate with Google Workspace
        # and get user authorization.
        flow = InstalledAppFlow.from_client_secrets_file(
                          'client_secrets.json', SCOPES)
        creds = flow.run_local_server()
        # Build a service endpoint for Chat API.
        chat = build('chat', 'v1', credentials=creds)
        # Use the service endpoint to call Chat API.
        result = chat.spaces().messages().reactions().delete(
            # The reaction to delete.
            # Replace SPACE with a space name.
            # Obtain the space name from the spaces resource of Chat API,
            # or from a space's URL.
            # Replace MESSAGE with a message name.
            # Obtain the message name from the response body returned
            # after creating a message asynchronously with Chat REST API.
            # Replace REACTION with a reaction name.
            # Obtain the reaction name from the reaction resource of Chat API.
            name = 'spaces/SPACE/messages/MESSAGE/reactions/REACTION'
    if __name__ == '__main__':
  3. In the code, replace the following:

    • SPACE: a space name, which you can obtain from the spaces.list method in the Chat API, or from a space's URL.
    • MESSAGE: a message name, which you can obtain from the response body returned after creating a message asynchronously with Chat API, or with the custom name assigned to the message at creation.
    • REACTION: a reaction name, which you can obtain from the spaces.messages.reactions.list method in the Chat API or from the response body returned after creating a reaction asynchronously with the Chat API.
  4. In your working directory, build and run the sample:


If successful, the response body is empty, which indicates that the reaction is deleted.