the402 endpoint detail

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api.hergertsynthora.com v1 codeaudit

https://api.hergertsynthora.com/v1/codeaudit

answers 402

Multi-LLM Smart Contract Audit: 3 independent LLM perspectives (security, logic, gas) + static pattern scan on Solidity/Vyper source. Severity: clean/low/medium/high/critical. Ed25519-signed, publishable on-chain. POST {"source":"pragma solidity...","language":"solidity"} or {"address":"0x..","chain":"base"} for Sourcify-verified contracts.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.32
Network
base
Pay to
0xEf879BFD6C4AccB8F795136de90246e1EC245e06
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
223 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:18:44.572Z (2h ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.hergertsynthora.com%2Fv1%2Fcodeaudit"