> ## Documentation Index
> Fetch the complete documentation index at: https://base-a060aa97-docs-devrel-859-new-docs-org-pages-pr-branch.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Integrate DeFi

> Add trading, direct lending, collateralized borrowing, or a vault-based earn product to your app with third-party protocols on Base.

Connect your app to third-party DeFi protocols on Base. Let users trade tokens, manage direct lending positions, borrow against collateral, or deposit once into a vault-based earn product while signing every transaction from their own wallet.

## Guides

<CardGroup cols={2}>
  <Card title="Integrate Trading" icon="arrows-rotate" href="/build-on-base/integrate-defi/integrate-trading">
    Add token swaps with executable routes from the 0x Swap API.
  </Card>

  <Card title="Integrate Lending" icon="arrow-trend-up" href="/build-on-base/integrate-defi/integrate-lending">
    Supply USDC to a money market and manage the position directly.
  </Card>

  <Card title="Integrate Borrowing" icon="scale-balanced" href="/build-on-base/integrate-defi/integrate-borrowing">
    Borrow USDC against WETH and monitor liquidation risk.
  </Card>

  <Card title="Integrate an Earn Product" icon="vault" href="/build-on-base/integrate-defi/integrate-earn-product">
    Give users a one-deposit vault experience with variable onchain yield.
  </Card>
</CardGroup>