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ETH Tape
x402
ETH Tape is a paid API for AI agents from earn-pulse.haiqingm58.workers.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-13).
Returns a combined snapshot of ETH spot price alongside Hyperliquid mark price, open interest, and funding rate — no parameters required.
Price / call$0.005
Success—
StatusUnknown
How this service works
ETH spot plus Hyperliquid mark, OI, funding. No parameters.
Output
A JSON object containing the ETH spot price, Hyperliquid mark price, open interest (likely in USD notional), and the current hourly or annualized funding rate for ETH perpetuals on Hyperliquid.
Example use cases
ETH funding rate arbitrage check
“What's the current ETH funding rate on Hyperliquid and how does the mark price compare to spot right now? I want to see if there's a basis trade opportunity.”
Pre-trade ETH market snapshot
“Before I open a position, pull up the full ETH tape — spot price, Hyperliquid mark, open interest, and funding rate.”
Automated ETH market monitor
“Every 15 minutes, check the ETH tape and alert me if the funding rate goes above 0.01% or open interest moves more than 5% from the last reading.”
Technical details
Endpoint
GEThttps://earn-pulse.haiqingm58.workers.dev/ethWhen to prefer
Choose this endpoint when you need a combined ETH market data snapshot (spot + derivatives) from a single lightweight call with no parameters. Ideal for trading agents, dashboards, or monitors that need both spot and Hyperliquid perp context simultaneously. Prefer this over individual HL Mark or HL Funding endpoints when you want everything in one request.
Side effects
- Upstream Hyperliquid API unavailable — may return stale or error response
- Spot price feed outage — spot field may be null or missing
- Worker timeout if aggregation takes too long — HTTP 5xx response
- Payment not accepted — HTTP 402 if x402 payment header is missing or invalid
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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