Unifold

Unifold is a Y Combinator-backed company that multi-chain deposit and payment infrastructure. The company participated in the Winter 2026 batch of Y Combinator.

Launch crypto deposits in minutes.

Unifold is a developer-first API + SDK that makes it easy for any app to accept on-chain deposits – across any chain and token – with less than 10 lines of code. We handle the full deposit flow so teams can ship faster and give users a smooth experience that actually works.

If you're building a consumer-facing on-chain product and want best-in-class deposits (or want to support more chains fast);