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Letterbook
ActiveAI-native customer support platform
Summer 2023Founded 20232 peopleSan Francisco, CA, USA
↻ Pivot / rename signal
This company has previously operated under “Usher”, “Martin”. A rename frequently marks a pivot in positioning or product — useful raw material for variant ideas.
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 · 2
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