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CoinCap Historical Price Series (Asset Slug)
x402
CoinCap Historical Price Series (Asset Slug) is a paid API for AI agents from rest.coincap.io, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Returns a capped historical price series for a specific cryptocurrency asset identified by its slug (e.g. 'ethereum').
Price / call$0.01
Success—
StatusUnknown
How this service works
Historical price series for an asset slug (capped data points).
Output
A capped series of historical price data points for the specified cryptocurrency asset slug, including timestamps and corresponding prices, suitable for charting, analysis, or backtesting.
Example use cases
Crypto price trend analysis
“Can you get me the historical price data for Ethereum so I can analyze its price trend over time?”
Backtesting a trading strategy
“I need the historical price series for Bitcoin from CoinCap to backtest my trading strategy — fetch it for me.”
Comparing crypto performance over time
“Fetch the historical price data for Solana so I can compare how it's performed against other assets I'm tracking.”
Technical details
Endpoint
GEThttps://rest.coincap.io/v3/agentFriendly/history/ethereumWhen to prefer
Use this endpoint when you need historical price data for a specific cryptocurrency by its slug (e.g. 'ethereum', 'bitcoin'). Prefer this over the total market-cap history endpoint when you need per-asset price series rather than aggregate market data. Ideal for charting, backtesting, or trend analysis on individual coins.
Side effects
- Invalid or unknown asset slug returns an error or empty response
- Rate limiting or payment failure (x402) if USDC payment is not properly handled
- Network timeout if the API is temporarily unavailable
- Capped data points may not cover the full historical range requested
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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