Letterbook

AI support agent
built for founders

Connect your inbox, database, and Stripe.
Let AI resolve tickets automatically.

Get Started
Letterbook product preview
Trusted by fast-growing teams★★★★★

Integrate DB & Stripe

Give our AI read access to your database and Stripe account so it can look up orders, subscriptions, and account data.

MongoDBSupabaseStripe
Integrate DB & Stripe

Define scenarios

Add instructions for how to handle each type of customer request. Our AI will follow your playbook to a T.

User wants a refundUser has trouble logging in with their email
User wants to change their passwordUser reports a bug
Scenarios

Review & Send

Each ticket gets a draft reply based on your scenarios and data. Give feedback on tickets to improve the AI's responses.

Ticket resolved

3 articles & 2 integrations referenced

AI draft reply

Letterbook vs. Zendesk

Our AI-native approach beats the traditional helpdesk every time.

LetterbookZendesk
How fast can I get started?AI starts solving tickets in 15 minutes2 weeks to hire & train agents, write docs
Ticket resolution quality?Improves significantly with every ticketHighly depends on the quality of the hire
Management overhead?NoneHours each week in meetings and hiring

A modern support stack that grows with you

Everything you need to handle your support volume as you scale.

Contact center built for speed
Contact center built for speed
Move 5x faster with shortcuts, AI, and a modern UI.
Smart knowledge base
Smart knowledge base
Support scenarios that auto-update as tickets get solved.
Analytics
Analytics
Track resolution time, automation rate, and customer satisfaction.

Ready to transform your support?

Import your tickets and knowledge base. Get your contact center launched in minutes.