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x402 Alert DeFi Yield API
x402
x402 Alert DeFi Yield API is a paid API for AI agents from x402-alert.vercel.app, paid per call via x402, $0.09/call, status unknown (last checked 2026-09-14).
Retrieves current DeFi yield data and rates for decentralized finance protocols, paid via USDC on Base using the x402 protocol
Price / call$0.09
Success—
StatusUnknown
How this service works
14 paid financial API endpoints. Pay with USDC on Base using x402 protocol.
Output
Returns a result object containing current DeFi yield data, including yield rates, APY figures, and protocol-level return information for decentralized finance platforms
Example use cases
Finding best yield farming opportunities
“Can you check the current DeFi yield rates and tell me which protocols are offering the highest APY right now? I want to put some stablecoins to work.”
DeFi portfolio yield monitoring
“Pull the latest DeFi yield data so I can compare current returns across protocols — I need to decide whether to move my liquidity to a higher-yielding pool.”
Automated DeFi yield tracking
“Get me the current DeFi yield rates so I can see if any protocol's APY has changed significantly since yesterday and decide if I should rebalance.”
Technical details
Endpoint
POSThttps://x402-alert.vercel.app/api/defi-yieldWhen to prefer
Choose this endpoint when you need real-time or near-real-time DeFi yield and APY data and are operating in a Web3-native context where paying per-call with USDC on Base is acceptable. It is part of a broader financial monitoring hub with 14 endpoints, making it convenient when you already integrate with x402 Alert for other financial data needs. Prefer this over free alternatives when you need reliable, monetized data quality and are already using the x402 payment protocol.
Side effects
- Payment failure: insufficient USDC balance on Base network for the $0.09 fee
- x402 protocol payment not completed: API returns 402 before delivering data
- Invalid or missing request body parameters causing malformed query
- Upstream DeFi data source unavailable, returning stale or empty results
- Rate limiting if too many requests are made in a short period
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| result | object | API response data |
Tags
x402
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