Chain Balance

Last 30 days

Uptime

100%

Response time

232 ms typical, 232 ms slowest 5%

Last check

3 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://api.x-402.online/v1/chain/balance?address=0x2c871C2b8876dc35e9E19646FDa5ABF1cd27735F"

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 $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.x-402.online%2Fv1%2Fchain%2Fbalance
const res = await pay("https://api.x-402.online/v1/chain/balance?address=0x2c871C2b8876dc35e9E19646FDa5ABF1cd27735F");
console.log(await res.json());

Example input

{
  "address": "0x2c871C2b8876dc35e9E19646FDa5ABF1cd27735F"
}

Example output

{
  "address": "0x…",
  "native": {
    "amount": "0.0123",
    "symbol": "ETH"
  },
  "tokens": [
    {
      "amount": "19.75",
      "decimals": 6,
      "symbol": "USDC"
    }
  ]
}

Security scan

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

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