Letterbook Docs
Connect web forms
Send contact form and support form submissions into Letterbook.
Last updated June 17, 2026
What this guide covers
This page should document the options for turning website form submissions into support conversations.
Setup steps
- Use a hosted Letterbook form
- Send an existing form to Letterbook by API
- Include customer email, name, subject, and message fields
- Add custom metadata from the form
- Test spam and validation behavior