the402 endpoint detail

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agentdata-api.sander-van-aard.workers.dev eu eurc-peg

https://agentdata-api.sander-van-aard.workers.dev/eu/eurc-peg

payable

EURC peg monitor — unique combined signal: the official ECB euro reference rate (USD/EUR) versus the live on-chain EURC/USDC price from the deepest Uniswap v3 pool on Base, returned as a deviation in basis points with both source values and timestamps. Tells agents holding or pricing EURC how far the on-chain euro stablecoin trades from the official euro. No input required.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.002
Network
base
Pay to
0xb0ae6a9bd7a573ddda58db6c28622417e8ca2099
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
45 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:12:22.738Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagentdata-api.sander-van-aard.workers.dev%2Feu%2Feurc-peg"