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Perpetual funding-rate spread

Funding rates compared across exchanges with a spread signal for arbitrage direction.

DerivativesTry before you pay USDC · Base mainnetMCP / REST realtime

01What this dataset answers

Paid endpointPrice / callParameters
funding_detail
Ask "where is the funding rate arbitrage" — full: per exchange rate, next funding time, mark price, annualized.
$0.08symbols: string optional, exchanges: string optional

1 paid endpoint(s), 1 free endpoint(s). Price range $0.08 – $0.08. Single call returns up to 3 rows per run.

02A real sample, fetched live

Below is the actual response from the free endpoint scan (truncated). The paid endpoint returns every field and the full record set.

{
  "symbol": "BTC",
  "spread_pct": 0.00105,
  "signal": "aligned"
}

03How to buy

Per call
$0.08 / call
Point any x402-capable client or agent framework at the endpoint; the 402 challenge tells it what to pay. Settled in USDC on Base.
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Sign up and get 3,000 credits — enough for roughly 52 calls at $0.08, paid by card or Alipay.
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Custom / bulk
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Extra fields, scheduled delivery, history backfill, private deployment or a walkthrough call — quoted per need.
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Delivery guarantee: settle after delivery. If the source fails or returns an empty result, nothing is settled and credits are refunded.

04Free endpoints

scanAsk "where is the funding rate arbitrage" — free: cross-exchange funding spread percent and signal grade.40 / IP / day
Direct entry points for agents

MCP: https://feegate.org/mcp · REST: https://feegate.org/api/supply/funding-spread/<tool> · Catalog: https://feegate.org/api/supply/directory

Machine-readable price list: /.well-known/x402.json · Site guide: /llms.txt · Deep dive: Perpetual funding-rate spread explained · 中文页 / Chinese

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