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YC S23

Letterbook

AI-native customer support platform

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.

Founders

Family Office Investors

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Industry & Focus

ConsumerArtificial IntelligenceCustomer ServiceCustomer Support