Crypto funding-rate extremes screener: scans all 17 perpetual futures markets (BTC/ETH/SOL

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "20000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "pathParams": {},
        "queryParams": {},
        "type": "http"
      },
      "output": {
        "example": {
          "all_ranked": [],
          "as_of": "2026-01-01T00:00:00.000Z",
          "cache_ttl_sec": null,
          "disclaimer": "Funding rates from Bybit perpetual swaps via Kronos market_signals. z-score vs 30-day baseline. Not financial advice.",
          "extremes": [
            {
              "asset": "BTC-USD",
              "captured_at": "2026-01-01T00:00:00.000Z",
              "classification": "extreme",
              "data_age_seconds": 120,
              "data_source": "bybit",
              "funding_interval_hours": 8,
              "funding_rate": 0.003,
              "funding_rate_annualized": 3.285,
              "mark_price": 107500,
              "mean_30d": 0.0002,
              "n": 1200,
              "next_funding_time": "2026-01-01T06:00:00.000Z",
              "open_interest": 85000,
              "rank": 1,
              "short": "BTC",
              "stale": false,
              "std_30d": 0.001,
              "z_score": 2.8
            }
          ],
          "extremes_count": 1,
          "inputs": {
            "assets_scanned": 16,
            "critical_z_threshold": 3,
            "extreme_z_threshold": 2,
            "window_days": 30
          },
          "no_extremes_message": null
        },
        "example_kind": "illustrative_schema_only",
        "example_note": "Placeholder values and timestamps, not market data.",
        "type": "json"
      }
    },
    "routeTemplate": ":var1",
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "pathParams": {
              "type": "object"
            },
            "queryParams": {
              "properties": {},
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://kronossignals.com/api/v1/funding-extremes"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://kronossignals.com/api/v1/funding-extremes");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://kronossignals.com/api/v1/funding-extremes")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header