vaults.fyi

Turn idle balances into an earn product.

vaults.fyi helps stablecoin apps offer DeFi yield in-product, with curated vault data, ready-to-sign transactions, and position tracking.

Browse vaults in the app →

Embedded earn experience

Build the stablecoin earn experience your users expect. One API for vault data, transactions, and user position data across protocols.

Live example / Otus Smart Yield powered by vaults.fyi

Curated opportunities

Offer the stablecoin vaults that fit your product.

Wallet stack compatible

Works with Privy, Dynamic, Openfort, Turnkey, and similar stacks.

Position history

Show value, historical balances, and transaction logs.

What this unlocks

Simple earn UX

Turn USDC or USDT balances into an earn flow without asking users to compare every protocol themselves.

No custody layer

Transaction payloads send users to the underlying protocol contracts instead of routing funds through vaults.fyi.

Earnings tracking

Show current position value, historical balances, and transaction logs after deposit.

Monetization

Configure economics so your app can earn from the yield flow it creates. Measure which users, campaigns, and app surfaces drive deposits.

One integration across data, actions, and positions.

Use one API for market data, ready-to-sign transactions, and the position data users expect after they deposit.

Vault screening

Surface stablecoin opportunities with APY history, liquidity, protocol metadata, and curator context.

Transaction builder

Create deposit and withdraw transactions that can be passed into the app wallet flow.

Position context

Show balances and earnings after deposit so users can manage the position inside your app.

Next step

Build with the vaults.fyi API.