Letterbook

The modern AI-native
support platform.

Connect your inbox, database, and Stripe.
AI solves tickets alongside you.

Trusted by AI-forward teams scaling fast.

Stellar Sleep

“The AI support agent saves us so much time. We have tried Zohodesk, Helpscout and Freshdesk, and Letterbook is by far the most intuitive. Our team loves it.”

Edrei Chua

Co-founder @ Stellar Sleep

Launch your AI-native helpdesk in 15 minutes.

Email
Email
Discord
Discord
Web Form
Mobile App
Stripe
StripeConnect
MongoDB
MongoDBConnect
Supabase
SupabaseConnect
Google Play
Google PlayConnect
PostgreSQL
PostgreSQLConnect
S
Samir T.
2 min ago
I'd like a refund for the subscription I was charged for. I forgot to cancel before the trial ended.
AI DrafttoSamir
Hi Samir, I've issued a full refund of $432.00 to your account. It should appear on your card within 5-10 business days.
Stripe
Refund $432.00 to Samir
Send
MongoDB
Stripe
Read 2 sources

Meet your AI support team.

GmailTicket created
Email
samir@acme.co
Name
Samir T.
Status
Open
AI Agent
Tools
StripeStripeSupabaseSupabase
Context
Refund PolicyTrial Terms
Draft resolution
Reply
Issued full refund of $49.00, arrives in 5-10 days
Action
Refund $49.00

Everything you need to scale customer support.

A modern interface for omnichannel support

Open
Filters Newest All Inboxes Compose
#183Draftto Ben Torres4hWebhook deliveries failing with timeout errorsMay 8
#186Draftto Maya Rodriguez6hKeyboard shortcuts stopped working in editorMay 8
#175Draftto David Park8hCSV export includes corrupted characters
#189Draftto Derek Washington9hNotifications being sent to deactivated usersMay 7
#178Draftto Priya Sharma1hTeam member can't access shared workspaceMay 7
#180Draftto Anika Johansson2hFile upload fails for files larger than 10MBMay 7
#187Draftto Raj Patel3hData export taking over 24 hours to completeMay 7
#174Draftto Sarah Chen5hHow do I upgrade from Starter to Pro plan?May 6
#171Draftto James Liu7hFeature request: dark mode for the dashboardMay 6
#170Draftto Alex Kim9hTwo-factor auth codes not arriving via SMSMay 5
#169Draftto Laura Nguyen10hCustom domain SSL certificate not renewingMay 5
#168Draftto Elena Vasquez11hSSO login redirects to blank page after authenticationMay 5

AI agent with human accuracy

Priya S.3 min ago
Hi, I'd like to downgrade from Pro to Starter. Can you switch my plan?
Read Cancellation Policy
MongoDBFetched customer from database
StripeRetrieved Stripe subscription
Sarah C.
Hey Priya, I've scheduled the downgrade from Pro to Starter.

Your switch takes effect at the end of your billing cycle on June 2. You'll keep Pro features until then.
Stripe
Downgrade Lisa to Starter plan

Triage and auto-assign tickets

James Liu#174
How do I switch from annual to monthly?Billing
Priya Sharma#178
SSO login redirects to blank pageBug
David Park#187
Charged twice for May subscriptionBilling
Maya Rodriguez#186
CSV export crashes with timeout errorBug
Ben Tan
Sarah Cole
James Lee

Analytics & Insights

Avg first response time

Ben Tan

25 min

Tickets resolved

Sarah Cole

64

Help center for your users

Help Center
Submit a ticket
Documentation
Getting Started
First steps
Subscription options
Customize curriculum
Troubleshooting
Billing
Account
Integrations
Getting Started
First steps

Welcome to your new help center. This guide walks you through the basics of getting set up.

1. Connect your inbox

Link your support email so incoming messages automatically create tickets in your dashboard.

2. Add your team

Invite team members and assign roles so tickets get routed to the right people.

Ready to make customer support easier?

Set up your helpdesk in 15 minutes. Or book a demo to see it in action.