the402 endpoint detail

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try.madhousewallet.com public transfer

https://try.madhousewallet.com/api/public/transfer

answers 402

Create a crypto off-ramp transfer: sell USDC and send fiat to a bank account. From a locked quote and a recipient, returns a transfer_id and a Base USDC deposit_address plus the exact amount to send. Fund it on-chain, then call /confirm-transfer. Converts stablecoin to a bank payout in 80+ currencies. Funding wallet KYC and sanctions enforced upstream. Pay 0.01 USDC.

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
0xf802283ff77D5972FFD109B91B70d34591B5459e
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
97 ms
Payment options
3 usable of 3
Last checked
2026-08-15T14:31:15.743Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftry.madhousewallet.com%2Fapi%2Fpublic%2Ftransfer"