Lending Liquidations

{
  "block": 47623156,
  "chain": "eip155:8453",
  "query": {
    "protocol": "aave-v3",
    "window_blocks": 10800
  },
  "recent_events": [
    {
      "block": 47623000,
      "collateral_seized_usd": 22025,
      "collateral_symbol": "WETH",
      "debt_repaid_usd": 20500,
      "debt_symbol": "USDC",
      "liquidator": "0x...",
      "user": "0x..."
    }
  ],
  "summary": {
    "avg_liquidation_bonus": 0.074,
    "by_collateral_asset": {
      "WETH": 2
    },
    "by_protocol": {
      "aave-v3": 2
    },
    "count": 2,
    "total_collateral_seized_usd": 44050,
    "total_debt_repaid_usd": 41000
  },
  "truncated": false
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.agentstools.dev/lending/liquidations?protocol=aave-v3&window=6h'

# 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://api.agentstools.dev/lending/liquidations?protocol=aave-v3&window=6h' \
  | 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 $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
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 $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.agentstools.dev%2Flending%2Fliquidations
const res = await pay("https://api.agentstools.dev/lending/liquidations?protocol=aave-v3&window=6h");
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 $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.agentstools.dev/lending/liquidations?protocol=aave-v3&window=6h")
    print(res.status_code, res.text)