How Can I Sign Up to Get Early Access to Letterhead's New Features?

Want to try features before they’re generally available? Join our early access program — help test what we’re building and share feedback.

Features in early access are in Alpha or Beta — limited releases that aren’t generally available yet and are still being refined, so you may run into minor issues. Your feedback plays a key role in helping us improve them before a wider rollout. In the app, these features are labeled Early Access; in this help center they’re marked with a 🧪 Beta badge.

Once you’re enrolled, early-access features show up directly in the app — for example, Agents (Early Access) in the navigation, or Advanced (Early Access) options in your channel’s Sending emails settings.

Request early access

Email [email protected] with the subject “Early access” and let us know which areas you’d like to help test. We’ll add you to the program.

Have an idea rather than a testing request? Request a feature instead.