ToolVet
72trust / 100

Chain Erc1155 Balance

by Tanod chainpeek in Onchain & crypto

x402 APIPassing, checked 48 min ago

chainpeek (Tanod) ERC-1155 balance of an account for a token id on Ethereum or Base. Use when an agent needs how many units of an ERC-1155 token id an account holds.

POST https://tanod.dev/v1/chain/erc1155-balance

Last 30 days

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed

Uptime
95.0%
Response time
805 ms typical, 1.1 s slowest 5%
Last check
48 min ago
Next check
any minute now

How to call it

POST https://tanod.dev/v1/chain/erc1155-balance

Each call costs $0.001 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://tanod.dev/v1/chain/erc1155-balance
content-type: application/json

{
  "account": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
  "chain": "ethereum",
  "contract": "0x495f947276749Ce646f68AC8c248420045cb7b5e",
  "token_id": "1"
}

Parameters

ParameterTypeRequiredDescription
accountstringYesHolder address.
chainstringYesethereum or base. One of: ethereum, base.
contractstringYesERC-1155 contract address.
token_idstringYesToken id (uint256) as a decimal or 0x-hex string.

Example response

The provider's example. We can't check it without paying.

{
  "account": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
  "balance": "0",
  "block": 26153826,
  "chain": "ethereum",
  "contract": "0x495f947276749Ce646f68AC8c248420045cb7b5e",
  "is_erc1155": true,
  "token_id": "1"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.001.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://tanod.dev/v1/chain/erc1155-balance' \
  -H 'content-type: application/json' \
  --data-raw '{"account":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045","chain":"ethereum","contract":"0x495f947276749Ce646f68AC8c248420045cb7b5e","token_id":"1"}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://tanod.dev/v1/chain/erc1155-balance' \
  -H 'content-type: application/json' \
  --data-raw '{"account":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045","chain":"ethereum","contract":"0x495f947276749Ce646f68AC8c248420045cb7b5e","token_id":"1"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.001 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.001" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.001 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftanod.dev%2Fv1%2Fchain%2Ferc1155-balance&method=POST
const res = await pay("https://tanod.dev/v1/chain/erc1155-balance", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "account": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
    "chain": "ethereum",
    "contract": "0x495f947276749Ce646f68AC8c248420045cb7b5e",
    "token_id": "1"
  }),
});
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.001 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.001"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://tanod.dev/v1/chain/erc1155-balance",
        json={
            "account": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
            "chain": "ethereum",
            "contract": "0x495f947276749Ce646f68AC8c248420045cb7b5e",
            "token_id": "1",
        },
    )
    print(res.status_code, res.text)

Security scan

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

Recent checks

WhenResultHTTPTimePrice
48 min agoPassed402372 ms$0.001
5 h agoPassed402421 ms$0.001
9 h agoPassed402348 ms$0.001
13 h agoPassed402807 ms$0.001
17 h agoPassed402280 ms$0.001
20 h agoPassed402805 ms$0.001
24 h agoPassed402847 ms$0.001
28 h agoPassed402844 ms$0.001
32 h agoPassed402432 ms$0.001
35 h agoPassed4022.8 s$0.001
39 h agoPassed4021.1 s$0.001
42 h agoPassed402818 ms$0.001
46 h agoPassed402981 ms$0.001
2 days agoPassed402998 ms$0.001
2 days agoPassed402485 ms$0.001