The API for DeFi yield.

Get started

API reference, visit https://api.vaults.fyi/v2/documentation/

Use our API or SDK to integrate vault analytics and transaction support directly into your product.

🔌 Add yield to your product

Without building a DeFi team. Integrate 1,000+ strategies across 80+ protocols with a single API.

💰 Earn revenue on every deposit

Monetize your integration with flexible fee schemes on every dollar flowing through your product.

🛡️ Ship with confidence

Proprietary reputation scores, hourly on-chain indexing, and standardized data you can trust without running your own infrastructure.

---

Why teams use Vaults.fyi

Our infrastructure powers analytics, dashboards, and transaction flows for leading teams across the ecosystem. See our API action at https://app.vaults.fyi/ or review our customer Case Studies.

📊 Data & Analytics

• A single schema across fragmented DeFi protocols

• Historical, standardized analytics hard to get from RPCs and other sources

• Coverage across 1,000+ yield strategies

• Benchmark rates (USD & ETH) for competitive yield comparisons across networks

• Proprietary reputation scores for programmatic risk filtering

• Hourly on-chain indexing direct from contracts — no reliance on third-party APIs

🔄 Transactions & Portfolio

• Integrated analytics + transactions

• Non-custodial transaction preparation — ready-to-sign payloads with no intermediary contracts

• Portfolio intelligence — idle asset detection, personalized deposit recommendations, PnL tracking

🧑‍💻 Developer Experience

• SDKs for TypeScript and Python with full type safety

• AI/agent-ready — MCP support and LLM-optimized docs (llms.txt)

• Built-in monetization — flexible fee schemes for integrators

• Attribution analytics to measure distribution impact and TVL inflows

---

Trusted by

Jumper

Kraken

Etherscan

Gauntlet

Maple Finance

Nashpoint

---

Why agents use Vaults.fyi

AI agents need reliable, structured data and executable transactions to operate autonomously in DeFi. Vaults.fyi is a full suite to discover, evaluate, execute, and manage a yield portfolio — all through a single API.

• x402 protocol support — no API key required, pay-per-request with stablecoins

• Single API, no protocol-specific logic — agents don't need to understand dozens of contract interfaces

• Ready-to-sign transaction payloads — agents can prepare and execute deposits and withdrawals without custom contract logic

• Reputation scores and benchmarks — programmatically assess risk and compare yields before acting

• Advanced protocol handling — deferred deposits and delayed withdrawals out of the box

• Reward claiming — access to claim reward actions across providers rewards distribution providers, including Merkl

• Portfolio management endpoints — track positions, idle assets, and PnL to inform rebalancing decisions