the402 endpoint detail

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x402-lookup-seller.fly.dev base status

https://x402-lookup-seller.fly.dev/v1/base/status

check failed

Call when you need to verify a Base USDC payment or check a wallet ETH+USDC before retry. Pass exactly one of tx= (32-byte hash) or address= (EOA/contract). Not a wiki lookup.

Bazaar lists this endpoint, but when we called it we got HTTP instead of a payment challenge.
Price
10000 atomic
Network
not established
Pay to
-
Spec dialect
-
Transport
-
HTTP method
GET
Response latency
10001 ms
Payment options
0 usable of 0
Last checked
2026-09-06T01:22:29.932Z (38d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402-lookup-seller.fly.dev%2Fv1%2Fbase%2Fstatus"