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Kronos ETH Spot Price (x402)
x402
Kronos ETH Spot Price (x402) is a paid API for AI agents from kronossignals.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).
Returns a multi-source volume-weighted median spot price for Ethereum (ETH) with per-exchange breakdown, confidence rating, and outlier rejection, delivered over the x402 micropayment protocol.
Price / call$0.02
Success—
StatusUnknown
How this service works
Paid market-intelligence API over x402
Output
A JSON object containing: volume-weighted median ETH price, timestamp (as_of), asset identifier, array of contributing exchanges each with their price, volume, volume weight, and inclusion flag, overall confidence label (e.g. high), simple median price, cross-exchange spread percentage, number of outliers rejected, data age in seconds, and a disclaimer.
Example use cases
DeFi bot pre-trade price check
“Before executing this ETH swap, grab the current volume-weighted median ETH price with the cross-exchange spread and confidence level so I know market conditions are stable.”
Portfolio dashboard ETH valuation
“Update my portfolio dashboard with the latest Ethereum spot price — I need the VWM price, which exchanges contributed, and how fresh the data is.”
Algo trading spread monitor
“Pull the current ETH price from Kronos and tell me the cross-exchange spread percentage and whether any exchanges were flagged as outliers.”
Technical details
Endpoint
GEThttps://kronossignals.com/api/v1/price/ethWhen to prefer
Choose this endpoint when you need a manipulation-resistant, aggregated Ethereum spot price sourced from multiple top exchanges (Binance, Coinbase, Kraken, OKX) with volume weighting, outlier rejection, and a machine-readable confidence score. Prefer it over single-exchange feeds when spread awareness and cross-exchange validation matter, and when you are already operating in an x402 micropayment environment making per-call cost trivial.
Side effects
- Payment not received or malformed x402 payment header — returns 402 Payment Required
- Invalid or unsupported asset path — returns 404 or error body
- Exchange data feeds temporarily unavailable — may return lower confidence or stale data
- Network timeout to upstream exchanges — may increase data_age_seconds
- Rate limiting or provider outage — returns 5xx error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"as_of": "2026-07-02T10:00:00.000Z",
"asset": "BTC-USD",
"price": 107500,
"sources": [
{
"price": 107510,
"volume": 1200000000,
"exchange": "binance",
"included": true,
"vol_weight": 0.45
},
{
"price": 107490,
"volume": 800000000,
"exchange": "coinbase",
"included": true,
"vol_weight": 0.3
},
{
"price": 107500,
"volume": 400000000,
"exchange": "kraken",
"included": true,
"vol_weight": 0.15
},
{
"price": 107480,
"volume": 270000000,
"exchange": "okx",
"included": true,
"vol_weight": 0.1
}
],
"confidence": "high",
"disclaimer": "Volume-weighted median price from up to 4 exchanges. Informational only, not financial advice.",
"data_age_seconds": 0,
"outliers_rejected": 0,
"price_simple_median": 107480,
"cross_exchange_spread_pct": 0.08
}
}Tags
x402
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