DeFi protocol fees and revenue · Defi Fees

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/defi-fees", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "limit": 5,
    "metric": "fees"
  }),
});
const data = await res.json();

curl -X POST \
  "https://agent402.tools/api/defi-fees" \
  -H "Content-Type: application/json" \
  -d '{"limit":5,"metric":"fees"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "cached": true,
  "chain": null,
  "chains": [
    "Solana",
    "Ethereum",
    "Base"
  ],
  "count": 1,
  "fetchedAt": "2026-08-22T12:00:00.000Z",
  "matched": 2500,
  "metric": "fees",
  "protocols": [
    {
      "category": "Stablecoin Issuer",
      "chainCount": 1,
      "chains": [
        "Ethereum"
      ],
      "change1dPct": 0,
      "change1mPct": 1.2,
      "change7dPct": -0.03,
      "name": "Tether",
      "protocolType": "protocol",
      "rank": 1,
      "slug": "tether",
      "total1yUsd": 5800000000,
      "total24hUsd": 15900806,
      "total30dUsd": 481404902,
      "total7dUsd": 111368600,
      "totalAllTimeUsd": 20000000000
    }
  ],
  "source": "defillama-fees",
  "totals": {
    "change1dPct": 6.68,
    "change1mPct": 10.2,
    "change7dPct": 2.1,
    "total24hUsd": 75393517,
    "total30dUsd": 1800000000,
    "total7dUsd": 423480844
  },
  "unit": "USD"
}