SYNTHORA.

POST https://api.hergertsynthora.com/v1/funding-rates ↗

Real-time perpetual funding rates + mark price for any Binance futures symbol. Essential for delta-neutral and basis-trading agents. Free source, deterministic, instant JSON. $0.01 USDC via x402 on Base. SYNTHORA. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

Eligibility: unprobeable
Failures: 0
Last quote: —
Last probe: —

Payment requirements / accepts[] 1 options

State	Network	Scheme	Atomic amount	Asset	payTo / untrusted
active	eip155:8453	exact	50000	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	0x10800a5a5B9d72251566EC651E862A8b4B427dE0

All advertised payment options are stored. Base (`eip155:8453`) is the operational network for ranking and canaries; non-Base options remain visible for transparency.

Probe evidence 0 recent

No probe attempts recorded yet. Coverage runs prioritize never-probed endpoints.

Machine contract

Schemas.

InputJSON

{
  "body": {
    "symbol": "BTCUSDT"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

OutputJSON

{
  "example": {
    "niche": "funding-rates",
    "ok": true,
    "provenance": {
      "source": "SYNTHORA Perp Funding Rates",
      "url": "https://fapi.binance.com/fapi/v1/premiumIndex"
    },
    "result": {
      "last_funding_rate": "0.00009163",
      "mark_price": "64266.30000000",
      "next_funding_time": 1783699200000,
      "symbol": "BTCUSDT"
    }
  },
  "type": "json"
}