the402 endpoint detail

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api.sandbox.brickken.com rams revoke-mandate

https://api.sandbox.brickken.com/x402/rams/revoke-mandate

answers 402

Prepare ERC-8226 RAMS mandate revocation. Revoke an existing mandate directly as its principal/operator or through a principal EIP-712 signature.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.005
Network
base-sepolia
Pay to
0x6b0173489007dE9E2e619eccd98E8fa9c610849a
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
739 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:19:08.322Z (2h ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.sandbox.brickken.com%2Fx402%2Frams%2Frevoke-mandate"