Defi Dex Volume

{
  "as_of": "2026-10-13T03:45:23Z",
  "cache_age_hours": 0,
  "chain": {
    "as_of": "2026-10-13T03:45:23Z",
    "change_1d_pct": 68,
    "change_30d_pct": 6.77,
    "change_7d_pct": 14.98,
    "name": "Ethereum",
    "protocol_count": 110,
    "volume_24h_usd": 1196801046,
    "volume_30d_usd": 42721695615,
    "volume_7d_usd": 10066818480
  },
  "market": null,
  "note": "Volume is the USD value DefiLlama attributes to swaps on the DEX or chain over a rolling 24 hours, 7 days and 30 days. Each change compares a window with the previous window of the same length. A parent protocol (for example Uniswap) sums its versions. Chain tables exist for the 25 chains with the most volume. Cached data, not live: see as_of. Informational only, not investment advice.",
  "other_matches": [],
  "protocol": null,
  "reason": null,
  "scope": "chain",
  "source": "Data: DefiLlama (used with permission), served from Tanod's cache, refreshed every few hours",
  "stale": false,
  "top_protocols": [
    {
      "change_1d_pct": 67.44,
      "change_30d_pct": 8.36,
      "change_7d_pct": -1.46,
      "name": "Uniswap",
      "share_pct": 67.49,
      "slug": "uniswap",
      "type": "parent",
      "volume_24h_usd": 807752237,
      "volume_30d_usd": 25039075769,
      "volume_7d_usd": 5206407365
    },
    {
      "change_1d_pct": 152.51,
      "change_30d_pct": 17.71,
      "change_7d_pct": -10.19,
      "name": "Fluid",
      "share_pct": 11.02,
      "slug": "fluid",
      "type": "parent",
      "volume_24h_usd": 131874232,
      "volume_30d_usd": 3332629559,
      "volume_7d_usd": 751120802
    },
    {
      "change_1d_pct": 171.17,
      "change_30d_pct": -39.87,
      "change_7d_pct": 56.07,
      "name": "FermiSwap",
      "share_pct": 6.66,
      "slug": "fermiswap",
      "type": "protocol",
      "volume_24h_usd": 79669002,
      "volume_30d_usd": 1303628157,
      "volume_7d_usd": 376958528
    }
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://tanod.dev/v1/defi/dex-volume' \
  -H 'content-type: application/json' \
  --data-raw '{"chain":"Ethereum","limit":3}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://tanod.dev/v1/defi/dex-volume' \
  -H 'content-type: application/json' \
  --data-raw '{"chain":"Ethereum","limit":3}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.004 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.004" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.004 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftanod.dev%2Fv1%2Fdefi%2Fdex-volume&method=POST
const res = await pay("https://tanod.dev/v1/defi/dex-volume", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "chain": "Ethereum",
    "limit": 3
  }),
});
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.004 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.004"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://tanod.dev/v1/defi/dex-volume",
        json={
            "chain": "Ethereum",
            "limit": 3,
        },
    )
    print(res.status_code, res.text)