the402 endpoint detail

← All endpoints

anywaypossible.com api payment-guard

https://anywaypossible.com/api/payment-guard

answers 402

Verify an x402 purchase before an AI agent signs. Validate the live HTTP 402 challenge, Base network, USDC asset, quoted price, recipient, price ceiling, buyer funding, optional gas reserve, and destination hazards, then receive a machine-readable safe-to-sign, fund, review, or reject decision. No account or API key.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0xe5690D37805107C56f6195E65A262b234E0E5e75
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
186 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:12:05.455Z (2h ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fanywaypossible.com%2Fapi%2Fpayment-guard"