the402 endpoint detail

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yieldsignal.vercel.app signal eth-staking-yield

https://yieldsignal.vercel.app/signal/eth-staking-yield

answers 402

Real-time risk-weighted ETH liquid staking APY on Ethereum mainnet: Lido/Rocket Pool/Coinbase Wrapped Staked ETH/Frax Ether/Binance Staked ETH via DefiLlama, source tagged per reading (never estimated). Staking yield, not a Base lending market. EIP-712 signed by the payment-receiving address (see X-Signal-* headers). Verified per-asset accuracy is free at /accuracy.json; raw on-chain attestations

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
5103 ms
Payment options
2 usable of 2
Last checked
2026-08-15T14:41:02.502Z (5d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fyieldsignal.vercel.app%2Fsignal%2Feth-staking-yield"