Defi Fees

{
  "category": null,
  "chain": "ethereum",
  "change_1d_pct": 3.83,
  "change_7d_pct": -2.32,
  "metric": "fees",
  "protocols_ranked": 339,
  "source": "DefiLlama fees",
  "top": [
    {
      "category": "Liquid Staking",
      "chains": [
        "Ethereum"
      ],
      "change_1d_pct": -0.37,
      "change_1m_pct": 1,
      "change_7d_pct": -7.6,
      "name": "Lido",
      "slug": "lido",
      "total_24h_usd": 1622170,
      "total_30d_usd": 52161889,
      "total_7d_usd": 11892895
    },
    {
      "category": "CDP",
      "chains": [
        "Ethereum"
      ],
      "change_1d_pct": 0.75,
      "change_1m_pct": 8.92,
      "change_7d_pct": 6.56,
      "name": "Sky Lending",
      "slug": "sky-lending",
      "total_24h_usd": 969158,
      "total_30d_usd": 27304183,
      "total_7d_usd": 6654774
    },
    {
      "category": "Lending",
      "chains": [
        "Polygon",
        "Fantom",
        "Arbitrum",
        "Avalanche",
        "OP Mainnet"
      ],
      "change_1d_pct": 4.32,
      "change_1m_pct": 0.72,
      "change_7d_pct": -0.46,
      "name": "Aave V3",
      "slug": "aave-v3",
      "total_24h_usd": 924097,
      "total_30d_usd": 28954773,
      "total_7d_usd": 7257290
    },
    {
      "category": "Liquid Staking",
      "chains": [
        "BSC",
        "Ethereum"
      ],
      "change_1d_pct": -3.46,
      "change_1m_pct": -2.3,
      "change_7d_pct": -7.35,
      "name": "Binance staked ETH",
      "slug": "binance-staked-eth",
      "total_24h_usd": 596144,
      "total_30d_usd": 18115290,
      "total_7d_usd": 3667181
    },
    {
      "category": "Onchain Capital Allocator",
      "chains": [
        "Ethereum"
      ],
      "change_1d_pct": 3.16,
      "change_1m_pct": 17.55,
      "change_7d_pct": 13.47,
      "name": "Spark Liquidity Layer",
      "slug": "spark-liquidity-layer",
      "total_24h_usd": 434305,
      "total_30d_usd": 11667711,
      "total_7d_usd": 2885853
    }
  ],
  "total_24h_usd": 8975478,
  "total_30d_usd": 347660868
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://saylorinnovations.com/api/defi/fees?chain=ethereum&limit=5'

# 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 - 'https://saylorinnovations.com/api/defi/fees?chain=ethereum&limit=5' \
  | 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 $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
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 $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fsaylorinnovations.com%2Fapi%2Fdefi%2Ffees
const res = await pay("https://saylorinnovations.com/api/defi/fees?chain=ethereum&limit=5");
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 $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://saylorinnovations.com/api/defi/fees?chain=ethereum&limit=5")
    print(res.status_code, res.text)