the402 endpoint detail

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x402.payperbyte.io feeds merchant-screen

https://x402.payperbyte.io/feeds/merchant-screen

answers 402

Pre-settlement merchant screen: signed ALLOW/WARN/BLOCK on (domain, payTo, price) before you settle. Queries are logged (domain, payTo, price); screening is not covert — the merchant sees the probe. Full disclosure: https://x402.payperbyte.io/feeds

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.10
Network
base
Pay to
0xffFf4B8Da8C165B556326453446F6940C8AFE0DB
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
181 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:09:44.460Z (35d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.payperbyte.io%2Ffeeds%2Fmerchant-screen"