Google calendar api Push notification: 401 - Unauthorized WebHook callback channel

Question

Any solution for the issue. This seems to be not working

{
 \"error\": {
  \"errors\": [
   {
    \"domain\": \"global\",
    \"reason\": \"push.webhookUrlUn         


        

Answer 1

To use Push Notifications in Google Calendar make sure you followed the instructions here:

1. Register the domain of your receiving URL in Google Dev Console. Go to Credentials and click Domain Verification for the webhook setup.

For example, if you plan to use https://yourdomainexample.com/notifications as your receiving URL, you need to register https://yourdomainexample.com. Set up your receiving URL, or "Webhook" callback receiver.

2. This is an HTTPS server that handles the API notification messages that are triggered when a resource changes.

3. Set up a notification channel for each resource endpoint you want to watch.

A channel specifies routing information for notification messages. As part of the channel setup, you identify the specific URL where you want to receive notifications. Whenever a channel's resource changes, the Google Calendar API sends a notification message as a POST request to that URL.

You may also check this SO thread for additional reference.