Letterbook

AI-native customer support platform

by Dawson Chen, Ethan Hou·B2B SaaS·YC Summer 2023·tracked since Sep 25, 2026
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Monthly revenue–Not shared yet
Rank–Unranked
Last 30 days–Growth in MRR
Revenue per founder–2 founders

About Letterbook

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.

Launch traction

Product Hunt upvotes
254

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Questions

Who founded Letterbook?

Letterbook was founded by Dawson Chen, Ethan Hou.