the402 endpoint detail

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yieldsignal.vercel.app exposure weth-base-yield

https://yieldsignal.vercel.app/exposure/weth-base-yield

answers 402

Shared risk exposure across declared WETH positions — same contract as the USDC exposure route. Pass ?positions=aave:100000,morpho:50000. Protocols whose collateral composition cannot be established are reported unattributed with the reason, never split across assets to imply diversification. Verified per-asset accuracy is free at /accuracy.json; raw on-chain attestations at /track-record.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.25
Network
base
Pay to
0x561143BFE9E2D975D92e915B8EfFEAa54119472a
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
5445 ms
Payment options
2 usable of 2
Last checked
2026-08-15T14:41:02.157Z (6d ago)
Category
finance-crypto

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