Is there a limit to the number of channel groups in my PubNub key set? Craig Conover September 19, 2023 12:26 Updated There is no limit on the number of channel groups that can be created under a key set. See also: Is there a limit to the number of channels I can add to a single channel group? Is there a limit to the number of channel groups a single client can subscribe to? Related articles Is there a limit to the number of channels I can add to a single channel group? Is there a limit to the number of channel groups a single client can subscribe to? Can I add users to my account? What are channel groups? How do I enable the Files feature?