16trust / 100

Evm Utils

by Vextorium in Onchain & crypto

x402 APIFailing, checked 33 min ago

EVM developer utilities: keccak256 hash, function selector from a signature, EIP-55 checksum address and wei/gwei/ether conversion.

POST https://api.vextorium.com/v1/evm-utils

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
0.0%
Response time
- typical, - slowest 5%
Last check
33 min ago: Amount "0.003" is not in atomic token units
Next check
in 26 min

How to call it

# bash or zsh: see the payment challenge (nothing is charged)
curl -g -i -X POST 'https://api.vextorium.com/v1/evm-utils' \
  -H 'content-type: application/json' \
  --data-raw '{"trade":"selector","value":"transfer(address,uint256)"}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.vextorium.com%2Fv1%2Fevm-utils
const res = await pay("https://api.vextorium.com/v1/evm-utils", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: "{\"trade\":\"selector\",\"value\":\"transfer(address,uint256)\"}",
});
console.log(await res.json());

Example input

{
  "trade": "selector",
  "value": "transfer(address,uint256)"
}

Example output

{
  "input": "transfer(address,uint256)",
  "result": "0xa9059cbb",
  "trade": "selector"
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
33 min agoAmount "0.003" is not in atomic token units402279 ms$0.003
5 h agoAmount "0.003" is not in atomic token units40277 ms$0.003
9 h agoAmount "0.003" is not in atomic token units40282 ms$0.003
14 h agoAmount "0.003" is not in atomic token units40296 ms$0.003
18 h agoAmount "0.003" is not in atomic token units40298 ms$0.003
22 h agoAmount "0.003" is not in atomic token units40277 ms$0.003
26 h agoAmount "0.003" is not in atomic token units40280 ms$0.003
30 h agoAmount "0.003" is not in atomic token units40278 ms$0.003
34 h agoAmount "0.003" is not in atomic token units40274 ms$0.003
38 h agoAmount "0.003" is not in atomic token units40281 ms$0.003
42 h agoAmount "0.003" is not in atomic token units40274 ms$0.003
47 h agoAmount "0.003" is not in atomic token units40277 ms$0.003
2 days agoAmount "0.003" is not in atomic token units40284 ms$0.003
2 days agoAmount "0.003" is not in atomic token units402103 ms$0.003
2 days agoAmount "0.003" is not in atomic token units402167 ms$0.003