Letterbook
YC S23AI-native customer support platform
San Francisco, CA, USAFounded 20232 employeeswww.letterbook.ai
Team
2
Founded
2023
About
Letterbook is the AI-native alternative to Zendesk, Freshdesk, Zohodesk, and Intercom. We help companies manage and resolve customer support tickets across email, in-app feedback, and website forms. Our AI will triage your tickets, write replies, and build your knowledge base.
No open roles at this time.
Similar AI / ML startups
Duckie
Build AI Support Agents in Minutes
Artificial IntelligenceGenerative AICustomer Support
Open Jobs —
Team 4
Founded 2023
Calltree
Enterprise-grade AI support reps for call centers
Generative AISaaSB2B
Open Jobs —
Team 14
Founded 2025
Minded
Cursor for AI Agents
Artificial IntelligenceB2BAPI
Open Jobs —
Team 2
Founded 2023
Giga
AI Support Agent for Enterprises.
Artificial IntelligenceAI
Open Jobs —
Team 30
Founded 2023