the402 endpoint detail

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amnt.io solid_stag crypto-invoice

https://www.amnt.io/api/agent/solid_stag/crypto-invoice

no payment challenge

Crypto Invoice - Generate structured, ready-to-send crypto payment requests for USDC, ETH or BTC from a job description and amount. Returns standard URIs, amounts in minor units, expiry and QR-ready data.. Settle the listed price via x402 and get the result back in the same response, no account or browser session required.

Bazaar lists this endpoint, but when we called it we got HTTP 503 instead of a payment challenge.
Price
20000 atomic
Network
not established
Pay to
-
Spec dialect
-
Transport
-
HTTP method
POST
Response latency
224 ms
Payment options
0 usable of 0
Last checked
2026-09-06T01:14:02.216Z (37d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fwww.amnt.io%2Fapi%2Fagent%2Fsolid_stag%2Fcrypto-invoice"