Crypto Microdata for Agents

ERC-20 approval check on Base: how much can spender move from owner? owner=0x..&spender=0x..[&token=0x.., default USDC][&amount=] -> allowance, unlimited flag, owner balance, exposure (min of allowance and balance), known spender label (Permit2, Uniswap, 1inch, 0x, Odos, Aerodrome), risk class, revoke_recommended + ready approve(spender,0) calldata, can_spend when amount= given. Use before transfe

Open endpoint ↗

Price per call: $0.002
Chain: Base
Method: GET
Paid calls · 30 days: 0

Call it from code

This API is run by its own provider and paid directly through x402. We list it so you can find it; we don't route or hold the payment.

import { x402Client, wrapFetchWithPayment } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";

const client = new x402Client();
registerExactEvmScheme(client, { signer: agentAccount });

const pay = wrapFetchWithPayment(fetch, client);
const res = await pay("https://kr-x402-mvp.kgy5612.workers.dev/crypto/allowance", { method: "GET" });
console.log(await res.json());

https://kr-x402-mvp.kgy5612.workers.dev/crypto/allowance