the402 endpoint detail

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cantu-radar-flow.base44.app functions cantuVerifyX402

https://cantu-radar-flow.base44.app/functions/cantuVerifyX402

answers 402

CANTU Buyer Demand Search — Paid machine-readable search for current buyer demand and procurement opportunities; also verifies a specific official notice ID or URL.

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
0x43988aa17c017677a1508b5232aad038e482e638
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
395 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:18:49.413Z (35d ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fcantu-radar-flow.base44.app%2Ffunctions%2FcantuVerifyX402"