B20 feature id · B20 Feature ID

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-feature-id", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "feature": "base.b20_asset"
  }),
});
const data = await res.json();

curl -X POST \
  "https://agent402.tools/api/b20-feature-id" \
  -H "Content-Type: application/json" \
  -d '{"feature":"base.b20_asset"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "calldata": "0xba87af80cdcc…",
  "feature": "base.b20_asset",
  "featureId": "0xcdcc772f…",
  "registry": "0x8453000000000000000000000000000000000001"
}