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name: cryptopulse.theaslangroupllc.com
description: CryptoPulse provides real-time perpetual futures market data including funding rates, open interest, and mark/oracle prices across major venues. It normalizes predicted funding comparisons across Hyperliquid, Binance, and Bybit into a single response. Data is snapshot-only, covering current and predicted funding states rather than historical series.
host: cryptopulse.theaslangroupllc.com
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# cryptopulse.theaslangroupllc.com

CryptoPulse is a single-purpose data host serving agents that need to monitor or compare perpetual futures funding conditions. It targets use cases like funding arbitrage signal detection, market screening by open interest, and cross-venue funding rate comparison. It does not execute trades, manage positions, or serve spot market or historical data needs.

## When to use this host

Use this host when an agent needs to check current perpetual funding rates, compare predicted funding across Hyperliquid, Binance, and Bybit, or screen the top perp markets by open interest. Do not use it for spot price feeds — use a dedicated spot price host instead. Do not use it for historical funding rate analysis; this host returns only current snapshots. It cannot execute trades or manage positions — route those tasks to a trading execution host. If an agent needs a broad market data suite (spot, derivatives, order books, historical OHLCV), a more comprehensive market data provider would be more appropriate.

## Capabilities

### Perpetual Funding & Market Snapshot

Retrieves current funding rates (hourly, 8h-equivalent, annualized), open interest, mark and oracle prices, and cross-venue predicted funding for one coin or the top markets ranked by open interest.

- **`fetch-perp-funding-rates`** — Returns perpetual market funding rates, open interest, mark/oracle prices, and cross-venue normalized predicted funding for one coin or the top markets ranked by open interest.

## Skill reference

### `fetch-perp-funding-rates`

**CryptoPulse Perp Funding Rate Check** — Returns perpetual market funding rates, open interest, mark/oracle prices, and cross-venue normalized predicted funding for one coin or the top markets ranked by open interest.

*Use when:* Use when an agent needs current perpetual funding rates (hourly, 8h-equivalent, annualized), funding direction, open interest, and cross-venue predicted funding comparisons across Hyperliquid, Binance, and Bybit for one or more perp markets.

*Not for:* Do not use for spot price feeds or historical funding data; this returns only current and predicted funding snapshots. Not suitable for order execution or position management.

**Inputs:**

- `coin` (string) — Perp symbol (e.g. BTC, ETH, SOL). Omit to retrieve top markets ranked by open interest.
- `limit` (integer) — Number of top markets to return when coin is omitted. Default 10, max 50.

**Returns:** Returns found=true, market_count=10, and a markets array with per-coin funding rates, open interest, mark/oracle prices, premium, daily volume, max leverage, and cross-venue predicted funding normalized to a 24h rate.

**Example:** `GET https://cryptopulse.theaslangroupllc.com/api/funding-check?limit=10`

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