16trust / 100
Contract Read
by Vextorium in Onchain & crypto
x402 APIFailing, checked 2 h ago
Call any read-only (view) function of an EVM contract from its signature, e.g. balanceOf(address)(uint256), with arguments, and get the decoded result. Supports address, bool, intN/uintN, bytesN, string, bytes and arrays. Read-only: nothing is signed or sent.
POST https://api.vextorium.com/v1/contract-read
Last 30 days
All checks passedSome failedAll failedNot checked
- Uptime
- 0.0%
- Response time
- - typical, - slowest 5%
- Last check
- 2 h ago: Amount "0.004" is not in atomic token units
- Next check
- any minute now
How to call it
# See the payment challenge (nothing is charged)
curl -i -X POST "https://api.vextorium.com/v1/contract-read" \
-H "content-type: application/json" \
-d '{"arguments":[],"contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","function":"name()(string)","network":"base"}'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%2Fcontract-read
const res = await pay("https://api.vextorium.com/v1/contract-read", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({"arguments":[],"contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","function":"name()(string)","network":"base"}),
});
console.log(await res.json());Example input
{
"arguments": [],
"contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"function": "name()(string)",
"network": "base"
}Example output
{
"contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"function": "name()",
"network": "base",
"result": [
"USD Coin"
],
"result_hex": "0x0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000855534420436f696e000000000000000000000000000000000000000000000000",
"selector": "0x06fdde03"
}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 |
|---|---|---|---|---|
| 2 h ago | Amount "0.004" is not in atomic token units | 402 | 91 ms | $0.004 |
| 6 h ago | Amount "0.004" is not in atomic token units | 402 | 123 ms | $0.004 |
| 11 h ago | Amount "0.004" is not in atomic token units | 402 | 119 ms | $0.004 |
| 15 h ago | Amount "0.004" is not in atomic token units | 402 | 89 ms | $0.004 |
| 19 h ago | Amount "0.004" is not in atomic token units | 402 | 81 ms | $0.004 |
| 23 h ago | Amount "0.004" is not in atomic token units | 402 | 92 ms | $0.004 |
| 27 h ago | Amount "0.004" is not in atomic token units | 402 | 74 ms | $0.004 |
| 31 h ago | Amount "0.004" is not in atomic token units | 402 | 85 ms | $0.004 |
| 35 h ago | Amount "0.004" is not in atomic token units | 402 | 82 ms | $0.004 |
| 40 h ago | Amount "0.004" is not in atomic token units | 402 | 80 ms | $0.004 |
| 43 h ago | Amount "0.004" is not in atomic token units | 402 | 80 ms | $0.004 |
| 2 days ago | Amount "0.004" is not in atomic token units | 402 | 76 ms | $0.004 |
| 2 days ago | Amount "0.004" is not in atomic token units | 402 | 82 ms | $0.004 |
| 2 days ago | Amount "0.004" is not in atomic token units | 402 | 97 ms | $0.004 |
| 3 days ago | Amount "0.004" is not in atomic token units | 402 | 223 ms | $0.004 |