Is there a limit to the number of channels I can add to a single channel group? Craig Conover December 11, 2020 10:30 Updated You can add up to 2000 channels to a single channel group. See also: Is there a limit to the number of channel groups a single client can subscribe to? Is there a limit to the number of channel groups in my PubNub key set? Related articles Is there a limit to the number of channel groups a single client can subscribe to? Is there a limit to the number of channel groups in my PubNub key set? What are channel groups? Is there a limit on the number of concurrent users? How do I add a channel to a channel group?