Funding Rate — Current

GET /funding-rate/:symbol

Real-time perpetual futures funding rate with market signal.

Cost: $0.02 USDC

Path Parameters

Param	Type	Description
symbol	string	Perp futures symbol (e.g. BTCUSDT, ETHUSDT)

Request Example

curl -H "x-payment: <proof>" \
  https://api.foursec.xyz/funding-rate/BTCUSDT

const res = await fetchWithPayment(
  "https://api.foursec.xyz/funding-rate/BTCUSDT"
);
const data = await res.json();

Response

{
  "symbol": "BTCUSDT",
  "funding_rate": 0.0001,
  "funding_rate_annualized": 10.95,
  "next_funding_time": "2026-07-08T16:00:00Z",
  "signal": "neutral",
  "signal_label": "Neutral market sentiment",
  "mark_price": 57800.32,
  "index_price": 57795.10,
  "timestamp": "2026-07-08T14:30:00Z"
}

Signal Values

Signal	Range	Interpretation
extreme_bullish	> +0.05%	Extremely long-biased, high squeeze risk
bullish	+0.01% to +0.05%	Longs paying shorts, bullish market
slightly_bullish	+0.003% to +0.01%	Mildly bullish
neutral	-0.003% to +0.003%	Balanced market
slightly_bearish	-0.01% to -0.003%	Mildly bearish
bearish	-0.05% to -0.01%	Shorts paying longs, bearish market
extreme_bearish	< -0.05%	Extremely short-biased, high short squeeze risk

Data Source

Binance FAPI (fapi.binance.com/fapi/v1/premiumIndex). Cache TTL: 30 seconds.

Related Endpoints

• Historical Rates — GET /funding-rate/history/:symbol
• Extreme Rates Scanner — GET /funding-rate/extreme
• Futures Funding Compare — cross-exchange comparison