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Token Metadata

by ERC-20 token metadata in Onchain & crypto

x402 APIPassing, checked 4 h ago

Resolve an ERC-20 contract address to its on-chain metadata: symbol, decimals, name, and logo URL where available. Use this to humanize a raw contract address before showing it to a user or before computing fiat values.

POST https://agent402.tools/api/token-metadata

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
193 ms typical, 193 ms slowest 5%
Last check
4 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://agent402.tools/api/token-metadata" \
  -H "content-type: application/json" \
  -d '{"contract":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","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%2Fagent402.tools%2Fapi%2Ftoken-metadata
const res = await pay("https://agent402.tools/api/token-metadata", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"contract":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"base"}),
});
console.log(await res.json());

Example input

{
  "contract": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
  "network": "base"
}

Example output

{
  "contract": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
  "decimals": 6,
  "logo": "https://example.com/usdc.png",
  "name": "USD Coin",
  "network": "base",
  "symbol": "USDC"
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
4 h agoPassed402193 ms$0.001