K

Kronos Crypto Data & Forecasts · Price BTC

by Kronos Crypto Data & Forecasts

GETBase

$0.02

per call · USD Coin on Base

Multi-source volume-weighted median (VWM) spot price for 16 crypto assets (BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT). Aggregates Binance, Coinbase, Kraken, and OKX in parallel (2 s timeout per source). Includes 1% outlier rejection, cross-exchange spread %, confidence grading (high/medium/low), and per-source USD volume weights. Kaiko-style reference pricing — $0.02/call.

Endpoint

GET https://kronossignals.com/api/v1/price/btc

273

Calls / 30d

13

Unique payers / 30d

Sep 10

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://kronossignals.com/api/v1/price/btc", {
  method: "GET",
});
const data = await res.json();
cURL
curl -X GET \
  "https://kronossignals.com/api/v1/price/btc" \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "as_of": "2026-01-01T00:00:00.000Z",
  "asset": "BTC-USD",
  "confidence": "high",
  "cross_exchange_spread_pct": 0.08,
  "data_age_seconds": 0,
  "disclaimer": "Volume-weighted median price from up to 4 exchanges. Informational only, not financial advice.",
  "outliers_rejected": 0,
  "price": 107500,
  "price_simple_median": 107480,
  "sources": [
    {
      "exchange": "binance",
      "included": true,
      "price": 107510,
      "vol_weight": 0.45,
      "volume": 1200000000
    },
    {
      "exchange": "coinbase",
      "included": true,
      "price": 107490,
      "vol_weight": 0.3,
      "volume": 800000000
    },
    {
      "exchange": "kraken",
      "included": true,
      "price": 107500,
      "vol_weight": 0.15,
      "volume": 400000000
    },
    {
      "exchange": "okx",
      "included": true,
      "price": 107480,
      "vol_weight": 0.1,
      "volume": 270000000
    }
  ]
}

Payment details

Pay to0x36038e1d712c5e39f35952164ec58ec2b96caee7
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase
Schemesexact

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