
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.
Web3 dapps and developer tools related to Yelay
Discover blockchain applications that are frequently used with Yelay.
Developer resources from Alchemy

Solidity gas optimization: 12 techniques to make your smart contracts cheaper and more efficient
Want to write better code and lower your gas fees?

Custom gas tokens: how to use ERC-20 tokens for transaction fees
Learn how Custom Gas Tokens let users pay transaction fees with your ERC-20 token instead of ETH. Complete guide covering implementation approaches, economic considerations, and real-world case studies.

How Stable built the world's highest yield savings app with smart wallets
Stable built the world's highest yield savings app using smart wallets. Learn how they achieved 10% APY, 50% lower costs, and full self-custody.
Yelay alternatives
Explore web3 competitors and apps like Yelay.

