Onesource · Chain Events

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://api.onesource.io/api/chain/events", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://api.onesource.io/api/chain/events?contract=0xdac17f958d2ee523a2206206994597c13d831ec7&network=ethereum" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "data": {
    "count": 1,
    "from_block": "latest",
    "logs": [
      {
        "address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
        "blockNumber": "0x133da1e",
        "data": "0x0000000000000000000000000000000000000000000000000000000000000001",
        "logIndex": "0x0",
        "topics": [
          "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
        ],
        "transactionHash": "0xad7e04119ecd85857728205f5b12e95f0bab8e99f9c2f60be5dc79cfc6a8df1f"
      }
    ],
    "to_block": "latest"
  },
  "meta": {
    "cost_usdc": "0.001",
    "endpoint": "/api/chain/events",
    "payment_chain": "base",
    "payment_token": "USDC",
    "request_id": "00000000abcdef01"
  }
}