ArbiPulse · Crypto

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://arbipulse.theaslangroupllc.com/api/crypto", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://arbipulse.theaslangroupllc.com/api/crypto?amount_usd=10000&pair=BTC%2FUSDT" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "arb_opportunities": [
    {
      "blocking_factors": [
        "Fees exceed spread",
        "BTC withdrawal takes 30-60 min"
      ],
      "buy_exchange": "Coinbase",
      "buy_price": 67838,
      "estimated_fees": {
        "taker_fee_pct": 0.2,
        "total_cost_pct": 0.214,
        "withdrawal_fee_usd": 2.5
      },
      "execution_time_minutes": 45,
      "gross_spread_pct": 0.0059,
      "net_profit_pct": -0.208,
      "net_profit_per_10k_usd": -20.8,
      "sell_exchange": "Kraken",
      "sell_price": 67842,
      "viability_note": "Spread of 0.006% is destroyed by 0.2% taker fees alone. CEX spot arb is only viable on high-spread moments (>0.5%) with pre-funded accounts on both sides.",
      "viable": false
    }
  ],
  "better_alternatives": [
    "Perps funding rate carry (/api/perps)",
    "DEX price arb (/api/dex)",
    "DeFi yield spread (/api/defi)"
  ],
  "exchange_prices": [
    {
      "ask": 67841.2,
      "bid": 67840.1,
      "exchange": "Binance",
      "last": 67840.55,
      "volume_24h_usd": 2100000000
    },
    {
      "ask": 67838,
      "bid": 67836.8,
      "exchange": "Coinbase",
      "last": 67837.4,
      "volume_24h_usd": 380000000
    },
    {
      "ask": 67843.5,
      "bid": 67842,
      "exchange": "Kraken",
      "last": 67842.3,
      "volume_24h_usd": 95000000
    }
  ],
  "market_context": "Tight BTC spreads across CEXs at ~0.01%. Market-makers efficiently equalize prices. CEX spot arb is rarely viable without pre-positioned capital on both sides.",
  "pair": "BTC/USDT",
  "pulse_suggestions": [],
  "scan_time": "2026-06-06T12:00:00Z",
  "why_cex_arb_is_hard": "Withdrawal delays (30 min to 24h) mean the spread evaporates before transfer completes. Pre-funded accounts on both sides eliminate withdrawal risk but require 2x capital."
}