Cex Premium Btc

Last 30 days

Uptime

100%

Response time

162 ms typical, 162 ms slowest 5%

Last check

2 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://kronossignals.com/api/v1/cex-premium/btc"

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fkronossignals.com%2Fapi%2Fv1%2Fcex-premium%2Fbtc
const res = await pay("https://kronossignals.com/api/v1/cex-premium/btc");
console.log(await res.json());

Example input

{}

Example output

{
  "as_of": "2026-01-01T00:00:00.000Z",
  "asset": "BTC-USD",
  "available": true,
  "coinbase_price": 61320.5,
  "composite_median": 61198.3,
  "composite_source_count": 3,
  "disclaimer": "Cross-exchange premium is informational only. Spread may reflect latency, liquidity, or fees — not a pure demand signal. Not financial advice.",
  "historical_note": "Point-in-time only — no 24h percentile or 30d z-score (no historical baseline stored).",
  "interpretation": "Coinbase is trading at a +0.20% premium to global composite. Mild US/institutional demand bias.",
  "premium_pct": 0.2,
  "sources_used": [
    {
      "exchange": "coinbase",
      "price": 61320.5,
      "role": "reference"
    },
    {
      "exchange": "okx",
      "price": 61195.2,
      "role": "composite"
    },
    {
      "exchange": "kraken",
      "price": 61201.4,
      "role": "composite"
    },
    {
      "exchange": "binance",
      "price": 61198.3,
      "role": "composite"
    }
  ]
}

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