the402 endpoint detail

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pennyrail.vercel.app bazaar x402-quote

https://pennyrail.vercel.app/api/bazaar/x402-quote

answers 402

Probe a public HTTP endpoint without paying and decode its HTTP 402 payment requirements into clean JSON: status, network, asset, amount, pay-to and challenge metadata when exposed. Exact-match PennyRail gap-arbitrage route.

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
0x0B53378117E82b50aFBA71d794A21c22C7E36D2c
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
233 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:22:31.696Z (21d ago)
Category
data

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fpennyrail.vercel.app%2Fapi%2Fbazaar%2Fx402-quote"