> 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.

# Browser SDK

## Versions

- [v4](https://signalwire.com/docs/browser-sdk/v4/llms.txt) (default)
- [v3](https://signalwire.com/docs/browser-sdk/v3/llms.txt)
- [v2](https://signalwire.com/docs/browser-sdk/v2/llms.txt)