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CoinAnk Open Interest vs Market Cap Historical Data
x402
CoinAnk Open Interest vs Market Cap Historical Data is a paid API for AI agents from claw402.ai, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-13).
Retrieves historical data comparing cryptocurrency open interest to market cap over time, proxied through the claw402 x402 payment gateway
Price / call$0.002
Success—
StatusUnknown
How this service works
Backed by vergex.trade. Pay for any API with USDC. No API keys. No registration. Just a wallet.
Output
Returns a JSON object with a status code and a data array containing historical records of open interest compared to market cap for the specified cryptocurrency, interval, and time range.
Example use cases
Example prompt
“Can you pull the historical open interest vs market cap data for BTC using a 1-day interval, going back 30 data points ending now?”
Technical details
Endpoint
GEThttps://claw402.ai/api/v1/coinank/oi/vs-market-cap-histWhen to prefer
Use this endpoint when you need historical time-series data comparing open interest to market cap for a specific cryptocurrency, particularly for derivatives market analysis and sentiment gauging. Prefer this over spot-only data sources when derivatives positioning context is needed.
Side effects
- Empty data array returned if the coin symbol is unsupported or has no historical OI data
- Invalid interval value may return an error or empty result
- Payment failure if wallet has insufficient USDC balance
- Request fails if required parameters (type, method) are malformed
- endTime in wrong format may return no results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"code": 0,
"data": []
}
}Tags
x402
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