Perpcheck Lite

{
  "checked_at": "2026-10-23T19:20:07.798Z",
  "coin": "ETH",
  "confidence": "high",
  "disclaimer": "Not financial advice; the exchange decides whether an order is accepted. PerpCheck is a read-only pre-trade check: it never places, signs or holds orders, has no custody and never asks for keys.",
  "issues": [
    {
      "code": "min_notional",
      "msg": "order value $3.70 is below Hyperliquid's $10 minimum"
    },
    {
      "code": "size_decimals",
      "fix": 0.0012,
      "msg": "size has 7 decimals; this coin allows 4 (szDecimals)"
    },
    {
      "code": "price_tick",
      "fix": 3000.1,
      "msg": "price has 3 decimals; max for this coin is 2"
    },
    {
      "code": "leverage",
      "fix": 25,
      "msg": "leverage 60x is above the 25x maximum for this coin at $4 notional"
    }
  ],
  "leverage": 60,
  "margin": "cross",
  "notional_usd": 3.7,
  "order_type": "limit",
  "reduce_only": false,
  "rules": {
    "max_leverage": 25,
    "max_leverage_at_size": 25,
    "min_notional_usd": 10,
    "only_isolated": false,
    "price_max_decimals": 2,
    "price_max_sig_figs": 5,
    "szDecimals": 4
  },
  "side": "long",
  "size": 0.0012,
  "sources_failed": [],
  "tier": "lite",
  "verdict": "REJECT_LIKELY",
  "warnings": [
    {
      "code": "marketable_limit",
      "msg": "limit buy above mark by 25.37%: fills immediately as taker"
    }
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.youraitools.co/perpcheck/v1/lite?coin=BTC&leverage=10&side=long&size=0.001'

# 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.youraitools.co/perpcheck/v1/lite?coin=BTC&leverage=10&side=long&size=0.001' \
  | 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 $0.003 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.003" });
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 $0.003 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.youraitools.co%2Fperpcheck%2Fv1%2Flite
const res = await pay("https://api.youraitools.co/perpcheck/v1/lite?coin=BTC&leverage=10&side=long&size=0.001");
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 $0.003 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.003"})
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.youraitools.co/perpcheck/v1/lite?coin=BTC&leverage=10&side=long&size=0.001")
    print(res.status_code, res.text)