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
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 33 min ago | Amount "0.003" is not in atomic token units | 402 | 279 ms | $0.003 |
| 5 h ago | Amount "0.003" is not in atomic token units | 402 | 77 ms | $0.003 |
| 9 h ago | Amount "0.003" is not in atomic token units | 402 | 82 ms | $0.003 |
| 14 h ago | Amount "0.003" is not in atomic token units | 402 | 96 ms | $0.003 |
| 18 h ago | Amount "0.003" is not in atomic token units | 402 | 98 ms | $0.003 |
| 22 h ago | Amount "0.003" is not in atomic token units | 402 | 77 ms | $0.003 |
| 26 h ago | Amount "0.003" is not in atomic token units | 402 | 80 ms | $0.003 |
| 30 h ago | Amount "0.003" is not in atomic token units | 402 | 78 ms | $0.003 |
| 34 h ago | Amount "0.003" is not in atomic token units | 402 | 74 ms | $0.003 |
| 38 h ago | Amount "0.003" is not in atomic token units | 402 | 81 ms | $0.003 |
| 42 h ago | Amount "0.003" is not in atomic token units | 402 | 74 ms | $0.003 |
| 47 h ago | Amount "0.003" is not in atomic token units | 402 | 77 ms | $0.003 |
| 2 days ago | Amount "0.003" is not in atomic token units | 402 | 84 ms | $0.003 |
| 2 days ago | Amount "0.003" is not in atomic token units | 402 | 103 ms | $0.003 |
| 2 days ago | Amount "0.003" is not in atomic token units | 402 | 167 ms | $0.003 |