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Quantstruct

AI documentation engineer – test & autoimprove stale product docs

Y CombinatorWinter 2025ActiveB2BArtificial IntelligenceDeveloper ToolsB2BAPI

What they do

Problem

Product documentation for APIs and enterprise software becomes stale, incomplete, and error-prone after releases and customer questions.

Solution

Quantstruct uses multiple AI agents to validate existing docs, discover knowledge gaps, and automatically generate updated documentation with screenshots and recordings by interacting with the product.

Who it's for

Technical writers, product, professional services, and content teams at companies shipping APIs/SDKs and enterprise or internal software.

Founders

Sarthak Srinivas
Founder

Cofounder of Quantstruct (YC W25). Built an agent developer platform from 0 to mid-$X million as product lead while onboarding multiple Fortune 100 companies at Moveworks. Published and reviewed 1000s of documentation guide updates to support customers and internal teams, before realizing agent-based workflows could do his job. Ex-Kleiner Perkins fellow. Published research with Google Glass inventor (who coined “wearable computing”) at Georgia Tech.

Newman Hu
Founder

Co-founder of Quantstruct. We're building AI agents to create the best documentation for your product. Newman previously built search infrastructure at Moveworks and Replit (YC W18), where he managed mission critical platforms powering Gen AI experiences for Fortune 500 companies. EECS @ Berkeley

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