New B20 tokens

Recently deployed B20 tokens on Base: scans the factory's B20Created logs over a block window, locates each new token by its 0xB200 address prefix, and enriches it with live name/symbol/decimals eth_calls. ?blocks=50000&limit=25

TRY IN PLAYGROUND →

Input

Example output

{
  "network": "base",
  "factory": "0xb20f000000000000000000000000000000000000",
  "fromBlock": 1,
  "toBlock": 2,
  "scannedFromBlock": 1,
  "truncated": false,
  "count": 0,
  "skipped": 0,
  "tokens": []
}

Try it - see the 402 challenge (free)

curl -i "https://agent402.tools/api/b20-new-tokens?blocks=1000"

The response is HTTP 402 Payment Required with exact payment requirements. Any x402 v2 client pays automatically and retries:

Paid call (JavaScript agent)

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client();
registerExactEvmScheme(client, { signer: privateKeyToAccount(KEY) });
const payFetch = wrapFetchWithPayment(fetch, client);

const res = await payFetch("https://agent402.tools/api/b20-new-tokens?blocks=1000");

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