B20 token info · B20 Token Info

by B20 token info

GETBaseSolanaArbitrumPolygonMonadAvalancheeip155:1329OptimismFraxtaleip155:42220stellar:pubnetalgorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=

$0.005

per call · USD Coin on Base

ERC-20 metadata plus B20 signals for any Base address: name, symbol, decimals, total supply, best-effort paused/cap, bytecode size, and whether the address carries the factory-issued 0xB200 prefix. Works on plain ERC-20s too (isB20 comes back false). ?address=0x…

Endpoint

GET https://agent402.tools/api/b20-token-info

4

Calls / 30d

1

Unique payers / 30d

Aug 31

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://agent402.tools/api/b20-token-info", {
  method: "GET",
});
const data = await res.json();
cURL
curl -X GET \
  "https://agent402.tools/api/b20-token-info?address=0x833589fcd6edb6e08f4c7c32d4f71b54bda02913" \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "address": "0x8335…2913",
  "decimals": 6,
  "isB20": false,
  "name": "USD Coin",
  "prefixMatch": false,
  "symbol": "USDC",
  "totalSupply": "…",
  "totalSupplyFormatted": "…"
}

Payment details

Pay to0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase, Solana, Arbitrum, Polygon, Monad, Avalanche, eip155:1329, Optimism, Fraxtal, eip155:42220, stellar:pubnet, algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=
Schemesexact, upto

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