DEX volume by protocol · Defi DEX Volume

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

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

{
  "cached": true,
  "chain": "Base",
  "count": 1,
  "dexs": [
    {
      "category": "Dexs",
      "chainCount": 1,
      "chains": [
        "Base"
      ],
      "change1dPct": -2.5,
      "change1mPct": 9.8,
      "change7dPct": 3.9,
      "name": "Aerodrome Slipstream",
      "protocolType": "protocol",
      "rank": 1,
      "slug": "aerodrome-slipstream",
      "total1yUsd": 250000000000,
      "total24hUsd": 600000000,
      "total30dUsd": 20000000000,
      "total7dUsd": 4500000000,
      "totalAllTimeUsd": 400000000000
    }
  ],
  "fetchedAt": "2026-08-22T12:00:00.000Z",
  "matched": 60,
  "source": "defillama-dexs",
  "totals": {
    "change1dPct": -3.1,
    "change1mPct": 11,
    "change7dPct": 4.2,
    "total24hUsd": 1200000000,
    "total30dUsd": 40000000000,
    "total7dUsd": 9000000000
  },
  "unit": "USD"
}