Otus: a Smart Yield Account Powered by vaults.fyi

For Otus users, Smart Yield turns stablecoin yield into one simple experience. Behind the scenes, our API helps Otus access DeFi yield across protocols, keep funds productive, and track what each user is earning.

May Changelog: Borrow API, Refreshed App Pages, and x402 Agent Payments

In May, we added borrow features into our API, added share price charts in the app, and made vaults.fyi easier for agents to use through x402. We also added new portfolio history endpoints, coverage for Liquity, and PAYGO access for our API. Borrow APIs for wallets, exchanges, and apps

Add yield to your stablecoin product with vaults.fyi

Yield is becoming a feature users come to expect, and the market delivering it is evolving quickly.

heyAura × vaults.fyi: from yield discovery to deposit, in one flow

heyAura is using vaults.fyi to bring DeFi yield discovery and non-custodial execution into its product. Through one integration, heyAura users can surface risk-scored opportunities for idle assets, compare existing positions against alternative strategies, and generate the transaction payloads needed to move capital between protocols with a single signature. From

DeFi yield for Openfort embedded wallets

The vaults.fyi recipe gives Openfort apps DeFi yield in one API: discover vaults across 80+ protocols, deposit through the embedded wallet, and earn revenue share on what users deposit.

Introducing Arbitrum Earn, powered by vaults.fyi

Arbitrum Earn is now live in the Arbitrum Portal, powered by vaults.fyi. Discover and access yield across Aave, Morpho, Fluid, and more, without leaving the Portal.

The vaults.fyi API is now open with pay-as-you-go access

vaults.fyi Developer Portal is now open to everyone - you can sign up, create a key, and start making calls.

Yield tools for Zerion CLI

Seven vaults.fyi skills are now live in Zerion CLI for coding agents. The vaults.fyi skills package yield research, deposit flows, rebalance flows, and risk monitoring functions into commands an agent can run alongside Zerion's wallet primitives. We are excited to work with vaults.fyi as our

Onchain yield tools for any AI agent

The vaults.fyi MCP server exposes 38 tools to any MCP-compatible client (Claude Desktop, Cursor, Cline, your own agent). With our MCP, an agent can query live data on 1500+ vaults across >20 networks, pull multi-year historical time series, find the best yields on a given asset, track positions,

How to get DeFi yield benchmarks

Benchmark rates tell you what the average yield environment looks like for stablecoins (USD) or ETH on a given chain. They're the baseline you compare individual vaults against, and the input you'd hand to an agent making a "should I rotate?" decision. What'