Last updated: November 10, 2026. This notice describes the limited one-account Multicast beta. Review it before inviting outside testers.
Multicast lets you request a one-use sign-in link by email. The email delivery provider receives your email address and the message so it can deliver the link. Multicast stores a hash of the allowed account email, hashes of one-use links, and a hash of your sign-in session. The link expires after 15 minutes and is used only after you press the sign-in button.
Your setup choices, profile fields, favorites, screen layout, and stream lineup are saved in the Multicast beta database so they can follow your account to another device. The beta currently allows one owner account and does not offer self-service account deletion. Contact the Multicast team through the channel where you received the beta link to request removal of account data.
You can connect Twitch separately to see followed channels that are live. Multicast receives your Twitch account ID, login name, display name, and the permissions you approve. Twitch access and refresh tokens are encrypted before they are stored. Multicast never receives your Twitch password. You can disconnect Twitch without signing out of Multicast.
If you connect YouTube, Multicast requests read-only access to subscriptions and public live-video information when you choose to check a channel. YouTube access tokens and subscription data stay in browser memory for the current session. You can add public YouTube links without connecting a YouTube account. Playback uses the providers' official embedded players.
The email delivery provider handles the sign-in email. Cloudflare hosts the Worker and database. Twitch and Google handle their own authorization flows. Their privacy practices apply to information they collect. YouTube's Terms of Service apply when you use YouTube features in Multicast.
This is a private product beta. For privacy questions or data removal requests, contact the Multicast team through the channel where you received this preview.