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yieldsignal.vercel.app signal usdc-base-yield
https://yieldsignal.vercel.app/signal/usdc-base-yield
answers 402
Real-time risk-weighted USDC lending APY on Base: Aave/Compound/Morpho read onchain, Moonwell/Euler/Fluid via DefiLlama, source tagged per reading (never estimated). EIP-712 signed by the payment-receiving address (see X-Signal-* headers), which also holds an ERC-8004 identity and attests readings on-chain via EAS. Verified per-asset accuracy is free at /accuracy.json; raw on-chain attestations at
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.10
- Network
- base
- Pay to
- 0x561143BFE9E2D975D92e915B8EfFEAa54119472a
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 71 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-15T14:40:59.115Z (5d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fyieldsignal.vercel.app%2Fsignal%2Fusdc-base-yield"