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Idle USDC Yield Scout
x402
Idle USDC Yield Scout is a paid API for AI agents from 402.com.tr, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-17).
Fetches live USDC supply rates from Base money markets (Aave v3, Moonwell) and returns the best current yield, optionally projecting annual earnings on a given balance.
Price / call$0.01
Success—
StatusUnknown
How this service works
Every pre-funded agent wallet carries idle USDC that earns nothing. This reads the live USDC supply rate across Base money markets (Aave v3, Moonwell) straight from each protocol — not a feed — and returns the best, with the annual yield on your balance so you can weigh moving against the gas. Rates are variable and change every block; a venue it could not read is excluded from 'best', never sent funds on an unconfirmed rate. Pass amount= for the yield projection. Not financial advice.
Output
Returns the best current USDC supply rate found across Base money markets (Aave v3, Moonwell), the winning venue/protocol name, the APY, and — if an amount was provided — the projected annual yield in USDC. Venues that could not be read are excluded from the result and noted separately.
Example use cases
Maximize idle wallet yield
“I've got about 2500 USDC sitting unused in my Base wallet. Can you check the live rates on Aave v3 and Moonwell and tell me where I'd earn the most, plus what that works out to per year?”
Pre-deposit rate sanity check
“Before I move my USDC into a Base money market, can you pull the current live supply rates and show me which one is offering the best APY right now?”
Gas-cost vs yield trade-off assessment
“I have 500 USDC idle on Base — scout the current USDC yields across Aave and Moonwell so I can figure out whether the gas cost to deposit is actually worth it given the annual return.”
Technical details
Endpoint
GEThttps://402.com.tr/api/x402/yield-scout?utm_source=zero.xyzWhen to prefer
Use this endpoint when an AI agent needs to make real-time yield comparisons across Base L2 money markets specifically for USDC, reading directly from on-chain protocol state rather than a third-party data feed. Ideal for pre-deposit decisions, treasury management bots, and gas-vs-yield trade-off calculations. Not suitable for non-USDC assets, non-Base chains, or historical rate queries.
Side effects
- One or more protocols unreachable — excluded from 'best' result and flagged in response
- No venues readable — no best rate returned
- Invalid or non-numeric amount parameter — projection skipped or error returned
- Rate is stale due to block timing — noted as variable, changes every block
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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