$0.32
per call · USD Coin on Base
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.
Endpoint
POST https://api.hergertsynthora.com/v1/codeaudit1
Calls / 30d
1
Unique payers / 30d
Aug 19
Last called
exact
Payment scheme
Call this service
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);
const res = await fetchWithPay("https://api.hergertsynthora.com/v1/codeaudit", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"language": "solidity",
"source": "pragma solidity ^0.8.0; contract Vault { address public owner; mapping(address=>uint) public bal; constructor(){owner=msg.sender;} function deposit() external payable { bal[msg.sender]+=msg.value; } function withdraw(uint a) external { require(bal[msg.sender]>=a); (bool ok,)=msg.sender.call{value:a}(\"\"); require(ok); bal[msg.sender]-=a; } }"
}),
});
const data = await res.json();curl -X POST \
"https://api.hergertsynthora.com/v1/codeaudit" \
-H "Content-Type: application/json" \
-d '{"language":"solidity","source":"pragma solidity ^0.8.0; contract Vault { address public owner; mapping(address=>uint) public bal; constructor(){owner=msg.sender;} function deposit() external payable { bal[msg.sender]+=msg.value; } function withdraw(uint a) external { require(bal[msg.sender]>=a); (bool ok,)=msg.sender.call{value:a}(\"\"); require(ok); bal[msg.sender]-=a; } }"}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"niche": "code_audit",
"ok": true,
"receipt": {},
"result": {}
}Payment details
0x10800a5a5b9d72251566ec651e862a8b4b427de0USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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