Aggregated-exchange daily perpetual funding rate per asset, last N days

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x0cD2c9724F185a029101b4AEACf3F114415c394f",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "asset": "",
          "days": 0
        },
        "type": "http"
      },
      "output": {
        "example": {
          "_next": {
            "description": "Recommended next calls given the response above.",
            "hints": [
              {
                "method": "GET",
                "path": "/api/asset/asymmetry",
                "price_usd": 0.05,
                "reason": "Full FUT + OPT + OB + FLOW positioning panels alongside funding."
              },
              {
                "method": "GET",
                "path": "/api/asset/active-signals",
                "price_usd": 0.05,
                "reason": "Every FUT-class signal firing on this asset with walk-forward + health."
              }
            ]
          },
          "asof_day": "2026-06-18",
          "asset": "BTC",
          "count": 3,
          "days": 30,
          "ok": true,
          "rates": [
            {
              "asof_day": "2026-06-18",
              "asset": "BTC",
              "fr_close": 0.00011
            },
            {
              "asof_day": "2026-06-17",
              "asset": "BTC",
              "fr_close": 0.00009
            },
            {
              "asof_day": "2026-06-16",
              "asset": "BTC",
              "fr_close": -0.00004
            }
          ]
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "asset": {
                  "description": "Asset symbol (e.g. BTC, ETH, SOL). Trimmed and uppercased server-side.",
                  "type": "string"
                },
                "days": {
                  "description": "Number of trailing days to return (1-365, default 30).",
                  "type": "number"
                }
              },
              "required": [
                "asset"
              ],
              "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://cryptyx.ai/api/funding-rate"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://cryptyx.ai/api/funding-rate");
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://cryptyx.ai/api/funding-rate")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header