the402 endpoint detail

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revert.wtf x402 explain

https://revert.wtf/api/x402/explain

payable

Paid hosted deterministic explanation for EVM/RPC/wallet/UserOperation/x402 errors. Send raw pasted error JSON, text, or revert bytes.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.001
Network
base
Pay to
0xB6A059E341769c08310a8cfAEF17015fc5F896C4
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
686 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:14:34.031Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Frevert.wtf%2Fapi%2Fx402%2Fexplain"