> 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. # relayHost > Custom relay host URL. ```ts get relayHost(): string set relayHost(value): void ``` Custom relay host URL. Empty string uses the default. ## **Examples** ```ts console.log(client.preferences.relayHost); ``` > Custom relay host URL.