A

ArbiPulse · Spread Tick

by ArbiPulse

GETBaseSolanaArbitrumPolygonFraxtalWorld ChainMonadX LayerHyperEVMAlgorandXRP LedgerBNB Chain

$0.02

per call · USD Coin on Base

Cross-exchange spread tick — ONE $0.02 call returns the live executable spread for a pair across Binance, Coinbase, Kraken, Bybit: best bid venue, best ask venue, spread in bps, and a deterministic TRADE / THIN / NONE verdict. Built for arbitrage monitoring loops; escalate to /api/crypto ($0.07) for the full CEX arbitrage read with fees and transfer paths. 30s freshness, no LLM in the path.

Endpoint

GET https://arbipulse.theaslangroupllc.com/api/spread-tick

3

Calls / 30d

3

Unique payers / 30d

Aug 26

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
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/spread-tick", {
  method: "GET",
});
const data = await res.json();
cURL
curl -X GET \
  "https://arbipulse.theaslangroupllc.com/api/spread-tick?pair=Trading+pair+%28default+BTC%2FUSDT%29%3B+e.g.+BTC%2FUSDT+%7C+ETH%2FUSDT+%7C+SOL%2FUSDT+%7C+BTC%2FUSD+%7C+ETH%2FUSD" \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "buy_at": {
    "ask": 118211.1,
    "exchange": "Kraken"
  },
  "deep_read": "https://arbipulse.vercel.app/api/crypto ($0.07)",
  "pair": "BTC/USDT",
  "sell_at": {
    "bid": 118260.8,
    "exchange": "Binance"
  },
  "spread_bps": 4.2,
  "verdict": "THIN"
}

Payment details

Pay to0x50ab2018c06c6e4eaa9ba52057eb55ed284912fc
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase, Solana, Arbitrum, Polygon, Fraxtal, World Chain, Monad, X Layer, HyperEVM, Algorand, XRP Ledger, BNB Chain
Schemesexact

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