Letterbook YC Application

Summer 2023Active

Letterbook went through Y Combinator in the Summer 2023 batch as a Consumer company. Below: what the company does, who founded it, and its application to YC, reconstructed question by question in the real YC form.

YC batch: Summer 2023
Industry: Consumer
Team size: 2
Status: Active
Launched: 2023

Founders

Dawson ChenFounder
Ethan HouFounder

What Letterbook does

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.

Letterbook's YC application, reconstructed

Y Combinator application

Letterbook, Summer 2023 batch. The real form questions, answered from public data.

Founders2
Company7
Progress7
Idea4
Equity3
Curious2
Batch Preference1

Company

Company name

Letterbook

Describe what your company does in 50 characters or less.

AI-native customer support platform

What is your company going to make? Please describe your product and what it does or will do.

We are building an AI-native alternative to Zendesk and Intercom that helps companies manage customer support tickets across email, in-app feedback, and website forms. Our AI triages tickets, drafts replies, and builds a knowledge base to reduce manual work for support teams.

Where do you live now, and where would the company be based after YC?

We live in San Francisco, CA, and plan to keep the company based here after YC.

Explain your decision regarding location.

San Francisco is where we live and work, and it's the center of the customer support and AI startup ecosystem we want to be part of.

21 more answers in the full application

Founders, Progress, Idea, Equity, Curious, Batch Preference are in the full version. Create a free account to open it in YC Insights, next to every other YC batch.

See full application

Frequently Asked Questions

Is this the real Letterbook YC application?

No. Y Combinator keeps submitted applications private. This is a reconstruction: the real YC form questions, answered from Letterbook's public data (launch notes, founder backgrounds, product description). It shows how a company like Letterbook would present itself to YC, not the text they submitted.