START: Dawson Chen, CEO & Founder, Letterbook "AI-native customer support platform"

START: Dawson Chen, CEO & Founder, Letterbook "AI-native customer support platform"

From START by Fondo

July 20, 2026 · 10 min · Episode 130

About this episode

Dawson Chen discusses the creation of Letterbook, an AI-native customer support platform designed for startups.

100,000 users sounds like a dream Until you're personally answering 50+ support tickets a day... That was Dawson Chen. He'd scaled Martin, an AI personal assistant, to more than 100,000 users, but growth came with a new problem: Refund requests Subscription cancellations Login issues And the same support questions over and over again... To keep up, the team hired a virtual assistant and relied on tools like Zendesk and Freshdesk. But every ticket meant jumping between their inbox, Stripe, their database, and their knowledge base. The software wasn't built for how startups actually operate. So instead of accepting it, they built the tool they wished they'd had. Then shared it with a few founder friends. The response was immediate. That internal tool became Letterbook. Today, Letterbook is the AI-native alternative to Zendesk, Freshdesk, Zoho Desk, and Intercom - built specifically for startups. It connects to your inbox, Stripe, database, and knowledge base, then drafts a complete resolution for every support ticket: the reply, the refund, the cancellation, the next action. For many customers, 70–80% of tickets become a single approval instead of minutes of manual work. Their…

People in this episode

Host: Fondo

Guest: Dawson Chen

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Keywords

Mentioned in this episode

Organizations: Letterbook, Zendesk, Freshdesk, Stripe, Product Hunt, Zoho Desk, Intercom

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