$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/btc273
Calls / 30d
13
Unique payers / 30d
Sep 10
Last called
exact
Payment scheme
Call this service
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 -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
0x36038e1d712c5e39f35952164ec58ec2b96caee7USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of Onchain Data and the homepage with a featured placement.
More from Kronos Crypto Data & Forecasts & similar services
Kronos Crypto Data & Forecasts · Liquidations BTC
kronossignals.com
Forward liquidation cluster map + recent prints for all 17 crypto assets. Part A: estimated liq price levels for 5x/10x/25x/50x leverage bands, modeled from open interest and mark price — no new upstream source. Part B: real liquidation prints from OKX public API (no auth). Returns cluster map, nearest_long/short clusters, squeeze_bias, and honest disclaimers. Supports BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT/HYPE-USD. Pay-per-call via x402.
Kronos Crypto Data & Forecasts · Forecast BTC
kronossignals.com
Real-time and ML-forecasted Bitcoin (BTC) price. Kronos deep-learning model: up-probability, expected close, price range, p10-p90 quantiles, forward volatility across 1h/4h/24h horizons. Crypto price prediction / price forecast API for AI agents and trading bots. Pay-per-call via x402 on Base USDC. Live track record at /api/stats: ~54% directional hit, ~70% in-range over 15k+ scored forecasts — measured on served predictions, not a backtest.
Kronos Crypto Data & Forecasts · Liquidations SOL
kronossignals.com
Forward liquidation cluster map + recent prints for all 17 crypto assets. Part A: estimated liq price levels for 5x/10x/25x/50x leverage bands, modeled from open interest and mark price — no new upstream source. Part B: real liquidation prints from OKX public API (no auth). Returns cluster map, nearest_long/short clusters, squeeze_bias, and honest disclaimers. Supports BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT/HYPE-USD. Pay-per-call via x402.