13trust / 100

Perps

by ArbiPulse in Markets & finance

x402 APIFailing, checked 3 h ago

Perps funding-rate arbitrage — delta-neutral carry across Hyperliquid, Binance, Bybit, GMX and dYdX. For trading and arbitrage agents.

GET
https://arbipulse.theaslangroupllc.com/api/perps
Price
$0.1
per call in USDC
Uptime
0.0%
last 30 days
Response time
-
no timed checks yet
Last check
Failed
3 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Latest check failed 3 h ago: Amount "0.1" is not in atomic token units

Status and outage history · Atom feed · Watch with other listings

How to call it

GET https://arbipulse.theaslangroupllc.com/api/perps

Each call costs $0.1 in USDC on Polygon, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

GET https://arbipulse.theaslangroupllc.com/api/perps?asset=all&min_apy=20&platform=all

Parameters

ParameterTypeRequiredDescription
assetstringNoBTC | ETH | SOL | ARB | OP | all (default: all)
min_apystringNominimum annualized yield percent, e.g. 20
platformstringNoall | hyperliquid | binance | bybit | gmx | dydx (default: all)

Example response

The provider's example. We can't check it without paying.

Example response, 64 lines
{
  "asset_filter": "BTC",
  "carry_opportunities": [
    {
      "asset": "BTC",
      "delta_neutral": true,
      "exchange_types": "cex-dex",
      "execution_steps": [
        "Fund Hyperliquid wallet with USDC (no KYC required)",
        "Open BTC-PERP long on Hyperliquid sized $25k notional",
        "Open BTC-PERP short on Binance same notional",
        "Collect funding every 8 hours — net ~$76/day on $25k"
      ],
      "long_funding_8h": -0.00122,
      "long_venue": "Hyperliquid",
      "min_capital_usd": 5000,
      "net_8h_yield": 0.00167,
      "net_annual_yield_pct": 182.9,
      "recommended_size_usd": 25000,
      "risks": [
        "Funding rate reversal",
        "Liquidation if prices diverge significantly",
        "Exchange risk"
      ],
      "short_funding_8h": 0.00045,
      "short_venue": "Binance",
      "strategy_notes": "Hyperliquid is the only no-KYC venue here. Net yield of 182.9% APY assumes both rates hold — highly variable, monitor daily."
    }
  ],
  "funding_rate_snapshot": [
    {
      "annualized_pct": -133.7,
      "exchange": "Hyperliquid",
      "funding_rate_8h": -0.00122,
      "next_funding": "2026-06-06T16:00:00Z",
      "symbol": "BTC"
    },
    {
      "annualized_pct": 49.3,
      "exchange": "Binance",
      "funding_rate_8h": 0.00045,
      "next_funding": "2026-06-06T16:00:00Z",
      "symbol": "BTCUSDT"
    }
  ],
  "highest_negative_funding": [
    {
      "annual_pct": -133.7,
      "exchange": "Hyperliquid",
      "symbol": "BTC"
    }
  ],
  "highest_positive_funding": [
    {
      "annual_pct": 87.6,
      "exchange": "Binance",
      "symbol": "SOLUSDT"
    }
  ],
  "market_conditions": "Strongly bullish sentiment driving high positive funding across CEX venues. Hyperliquid showing unusually negative rates on BTC.",
  "pulse_suggestions": [],
  "risk_warning": "Funding rates are highly variable. A rate reversal can turn a profitable carry trade negative within one 8-hour period. Never use leverage on this strategy.",
  "scan_time": "2026-06-06T12:00:00Z"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.1.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://arbipulse.theaslangroupllc.com/api/perps?asset=all&min_apy=20&platform=all'

# 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://arbipulse.theaslangroupllc.com/api/perps?asset=all&min_apy=20&platform=all' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// 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 $0.1 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.1" });
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 $0.1 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Farbipulse.theaslangroupllc.com%2Fapi%2Fperps
const res = await pay("https://arbipulse.theaslangroupllc.com/api/perps?asset=all&min_apy=20&platform=all");
console.log(res.status, await res.text());
Python: pay and call
# 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 $0.1 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.1"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://arbipulse.theaslangroupllc.com/api/perps?asset=all&min_apy=20&platform=all")
    print(res.status_code, res.text)

Security scan

No findings

We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
3 h agoAmount "0.1" is not in atomic token units4021.7 s$0.1
9 h agoAmount "0.1" is not in atomic token units402222 ms$0.1
14 h agoAmount "0.1" is not in atomic token units4021.6 s$0.1
20 h agoAmount "0.1" is not in atomic token units4021.7 s$0.1
26 h agoAmount "0.1" is not in atomic token units402198 ms$0.1
Show 7 older checks
31 h agoAmount "0.1" is not in atomic token units402241 ms$0.1
37 h agoAmount "0.1" is not in atomic token units4021.1 s$0.1
42 h agoAmount "0.1" is not in atomic token units4021.7 s$0.1
47 h agoAmount "0.1" is not in atomic token units402221 ms$0.1
2 days agoAmount "0.1" is not in atomic token units402220 ms$0.1
2 days agoAmount "0.1" is not in atomic token units402240 ms$0.1
3 days agoAmount "0.1" is not in atomic token units4021.1 s$0.1