
Yelay
Yelay is a yield infrastructure layer that lets builders embed Smart Vaults to auto-route deposits across DeFi yield sources on Ethereum and Base.

What is Yelay?
Yelay is a yield infrastructure protocol formerly known as Spool that helps DeFi apps, wallets, and treasuries plug yield into any product. Builders deploy Smart Vaults via the Yelay SDK, and user deposits are auto-routed across more than 90 strategies on Ethereum and Base, with rebalancing, auto-compounding, and reward swaps handled in the background. The protocol has routed around $320M lifetime.
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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

