Aggregated perp market state: OI-weighted mark/index price, open interest, funding, per-ve

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x3DCeFd14f76fD76D36bEc7C271Ff28d1bDb9989D",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "market": "BTC-USDT-PERP"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "exchange_breakdown": {
            "binance": {
              "markPrice": 63514.77,
              "weight": 0.32
            }
          },
          "freshness": {
            "age_ms": 426,
            "stale": false
          },
          "funding_rate": 0.0000759,
          "mark_price": 63514.07,
          "market": "BTC-USDT-PERP",
          "open_interest_usd": 21441257752.13,
          "paid": true
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "market": {
                  "description": "Perp market (canonical BASE-QUOTE-PERP)",
                  "enum": [
                    "BTC-USDT-PERP",
                    "ETH-USDT-PERP",
                    "SOL-USDT-PERP"
                  ],
                  "type": "string"
                }
              },
              "required": [],
              "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://acoda.xyz/v1/market-state"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://acoda.xyz/v1/market-state");
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://acoda.xyz/v1/market-state")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header