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ByKaranteli Coinbase Premium History
x402
ByKaranteli Coinbase Premium History is a paid API for AI agents from bykaranteli.com, paid per call via x402, $0.005/call, status down (last checked 2026-10-12).
Returns daily Coinbase-vs-offshore BTC price spread history, showing US spot demand by comparing Coinbase prices against offshore exchange prices.
Price / call$0.005
Success—
StatusDown
How this service works
Track verified crypto futures signals with live win rate, profit factor, funding data, and liquidation maps. Deterministic, auditable, operator-first.
Output
A JSON array of daily rows with the dataset name, row count, and each row containing the date, symbol, Coinbase price, offshore price, and the premium spread between them.
Example use cases
US spot demand signal for macro analysis
“Give me the last 90 days of daily Coinbase premium data for BTC so I can see how US spot demand has been trending relative to offshore markets.”
Basis trade setup using premium spread
“Pull the Coinbase premium history for BTC between 2023-10-01 and 2024-01-01 — I need both leg prices and the spread per day to evaluate carry trade opportunities.”
Exchange price divergence monitoring
“Show me the most recent 30 days of Coinbase premium history for ETH, including both the Coinbase and offshore prices each day, so I can check if there's been any unusual divergence.”
Technical details
Endpoint
GEThttps://bykaranteli.com/api/x402/premium-history?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need daily historical Coinbase vs offshore price spread data as a proxy for US Bitcoin spot demand. It is the right choice for macro signal analysis, basis trading research, or any workflow requiring both legs of the Coinbase premium spread on a per-day basis. Prefer it over generic OHLCV or funding rate endpoints when the specific Coinbase-vs-offshore differential is the signal of interest.
Side effects
- Invalid or unsupported symbol returns empty rows or error
- Date range outside available history returns empty result set
- Limit exceeds dataset cap, silently clamped to maximum
- Malformed date strings in from/to parameters cause request failure
- Payment not included or insufficient causes 402 rejection
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"rows": [],
"count": 500,
"dataset": "premium-history"
}
}Tags
x402
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