# Retrofit

> Retrofit is an AI-curated vintage marketplace that uses AI agents to sift through hundreds of thousands of secondhand listings, analyzing social media trends, sales data and personal style to surface pieces matched to a shopper's taste, size and budget. Founded in 2024 by Sandra Lifshits and Maddy Yip and backed by Y Combinator (W25), it standardizes photography and descriptions from partner vintage stores so shoppers get a clean, personalized feed instead of endless digging.

- **Founded:** 2024
- **Headquarters:** New York, New York, United States
- **Founders:** Sandra Lifshits (Co-founder & CEO), Maddy Yip (Co-founder)
- **Team size:** 2
- **Products:** Retrofit AI vintage marketplace, AI curation & merchandising for vintage stores, Style-inspiration search
- **Notable:** Accepted into Y Combinator's Winter 2025 (W25) batch, among a small set of consumer startups in the cohort, Described by Y Combinator as 'a vintage marketplace curated by AI', Positioned as an early mover applying AI agents to vintage resale curation and merchandising

## Products & services

- **Retrofit AI vintage marketplace** — A consumer marketplace where AI agents analyze social media trends, sales data and personal style to curate trending, in-demand vintage pieces matched to a shopper's taste, size and budget.
- **AI curation & merchandising for vintage stores** — AI agents source inventory from partner vintage stores, standardize photography, and write consistent detailed product descriptions - automating the listing work retailers struggle with.
- **Style-inspiration search** — Shoppers can submit style inspiration or specific requests and let the AI surface matching pieces, with free shipping and returns.

## Achievements

- Accepted into Y Combinator's Winter 2025 (W25) batch, among a small set of consumer startups in the cohort
- Described by Y Combinator as 'a vintage marketplace curated by AI'
- Positioned as an early mover applying AI agents to vintage resale curation and merchandising

## Latest updates

- **2025-03** — Retrofit closed its seed financing and completed the Y Combinator W25 batch.
- **2025-02** — Launched on Y Combinator as 'a vintage marketplace curated by AI.'

## Links

- Website: https://retrofit.shop
- LinkedIn: https://www.linkedin.com/company/retrofit-ai
- Instagram: https://www.instagram.com/retrofit.ai
- TikTok: https://www.tiktok.com/@retrofit.ai

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Profile page: https://yespress.io/retrofit-yc-w25
Published by YesPress — https://yespress.io
Last updated: 2026-07-30