> Fetch clean Markdown by appending `.md` to any page URL under https://signalwire.com/docs or requesting it with the HTTP header `Accept: text/markdown`. The root index at https://signalwire.com/docs/llms.txt lists the available documentation indexes.

# PubSub

## Classes

* [Client](/docs/browser-sdk/v3/js/reference/pubsub/client)
* [PubSubMessage](/docs/browser-sdk/v3/js/reference/pubsub)