# API Overview

The vaults.fyi API provides access to leading DeFi lending and staking protocols, including Aave, Morpho, Euler, Spark, Lido, and dozens more.

Whether building an application, internal tools, or conducting in-depth market research, vaults.fyi provides access to standardized data and smart contract interactions for 1,000+ pools on 80+ protocols across multiple networks.

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API reference: <https://api.vaults.fyi/v2/documentation/>
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## Feature overview

Our API and [SDK](https://docs.vaults.fyi/api/getting-started-with-the-sdk) give customers access to:

* [market-data](https://docs.vaults.fyi/api/api-overview/market-data "mention"): Get in-depth analytics on DeFi yield vaults, including current and historical returns, base vs. rewards token yields, value held in vault (TVL), risk metrics, utilization rates, and more.
* [transactional-support](https://docs.vaults.fyi/api/api-overview/transactional-support "mention"): Access hundreds of vaults with one integration. Prepare executable transaction payloads for a user's specific actions *(deposit, redeem, claim)* on any vault in our coverage umbrella.
* [position-tracking](https://docs.vaults.fyi/api/api-overview/position-tracking "mention"): Get data on an address's balances and positions across many DeFi protocols and multiple blockchains, and surface personalized yield opportunities based on wallet holdings.

## Coverage for more than 80+ protocols

See the full list here: [supported-protocols-and-networks](https://docs.vaults.fyi/api/api-overview/supported-protocols-and-networks "mention")

## Get started

* [getting-started-with-the-sdk](https://docs.vaults.fyi/api/getting-started-with-the-sdk "mention"): the simplest way to start using our API is with our SDK.
* [endpoints](https://docs.vaults.fyi/api/endpoints "mention"): detailed documentation on our API endpoints.
* [mcp-claude-desktop](https://docs.vaults.fyi/api/for-ais-and-agents/mcp-claude-desktop "mention"): use the vaults.fyi MCP Server with Claude.
* [case-studies](https://docs.vaults.fyi/general/case-studies "mention"): see how teams like [Jumper](https://docs.vaults.fyi/general/case-studies/jumper-earn) and [Kraken Wallet](https://docs.vaults.fyi/general/case-studies/kraken-wallet) are building with our API.

[Contact us](https://vaultsfyi.fillout.com/t/tLA9t6HyAFus) to learn more and get access.