{
  "path": "/delivery/{settle}/tickers",
  "operation_id": "listDeliveryTickers",
  "auth_required": false,
  "parameters": [
    {
      "name": "settle",
      "in": "path",
      "description": "Settle currency",
      "required": true,
      "schema": {
        "type": "string",
        "enum": [
          "usdt"
        ]
      },
      "example": "usdt"
    },
    {
      "name": "contract",
      "in": "query",
      "required": false,
      "description": "Futures contract",
      "schema": {
        "type": "string"
      },
      "example": "BTC_USDT_20200814"
    }
  ],
  "response_fields": {
    "200": {
      "description": "Query successful",
      "fields": [
        {
          "path": "$",
          "type": "array<object>",
          "description": "",
          "constraints": ""
        },
        {
          "path": "$[]",
          "type": "object",
          "description": "",
          "constraints": ""
        },
        {
          "path": "$[].contract",
          "type": "string",
          "description": "Futures contract",
          "constraints": ""
        },
        {
          "path": "$[].last",
          "type": "string",
          "description": "Last trading price",
          "constraints": ""
        },
        {
          "path": "$[].change_percentage",
          "type": "string",
          "description": "Price change percentage. Negative values indicate price decrease, e.g. -7.45",
          "constraints": ""
        },
        {
          "path": "$[].total_size",
          "type": "string",
          "description": "Contract total size",
          "constraints": ""
        },
        {
          "path": "$[].low_24h",
          "type": "string",
          "description": "24-hour lowest price",
          "constraints": ""
        },
        {
          "path": "$[].high_24h",
          "type": "string",
          "description": "24-hour highest price",
          "constraints": ""
        },
        {
          "path": "$[].volume_24h",
          "type": "string",
          "description": "24-hour trading volume",
          "constraints": ""
        },
        {
          "path": "$[].volume_24h_btc",
          "type": "string",
          "description": "24-hour trading volume in BTC (deprecated, use `volume_24h_base`, `volume_24h_quote`, `volume_24h_settle` instead)",
          "constraints": ""
        },
        {
          "path": "$[].volume_24h_usd",
          "type": "string",
          "description": "24-hour trading volume in USD (deprecated, use `volume_24h_base`, `volume_24h_quote`, `volume_24h_settle` instead)",
          "constraints": ""
        },
        {
          "path": "$[].volume_24h_base",
          "type": "string",
          "description": "24-hour trading volume in base currency",
          "constraints": ""
        },
        {
          "path": "$[].volume_24h_quote",
          "type": "string",
          "description": "24-hour trading volume in quote currency",
          "constraints": ""
        },
        {
          "path": "$[].volume_24h_settle",
          "type": "string",
          "description": "24-hour trading volume in settle currency",
          "constraints": ""
        },
        {
          "path": "$[].mark_price",
          "type": "string",
          "description": "Recent mark price",
          "constraints": ""
        },
        {
          "path": "$[].funding_rate",
          "type": "string",
          "description": "Funding rate",
          "constraints": ""
        },
        {
          "path": "$[].funding_rate_indicative",
          "type": "string",
          "description": "Indicative Funding rate in next period. (deprecated. use `funding_rate`)",
          "constraints": ""
        },
        {
          "path": "$[].index_price",
          "type": "string",
          "description": "Index price",
          "constraints": ""
        },
        {
          "path": "$[].quanto_base_rate",
          "type": "string",
          "description": "Deprecated",
          "constraints": ""
        },
        {
          "path": "$[].basis_rate",
          "type": "string",
          "description": "Basis rate",
          "constraints": ""
        },
        {
          "path": "$[].basis_value",
          "type": "string",
          "description": "Basis value",
          "constraints": ""
        },
        {
          "path": "$[].lowest_ask",
          "type": "string",
          "description": "Recent lowest ask",
          "constraints": ""
        },
        {
          "path": "$[].lowest_size",
          "type": "string",
          "description": "The latest seller's lowest price order quantity",
          "constraints": ""
        },
        {
          "path": "$[].highest_bid",
          "type": "string",
          "description": "Recent highest bid",
          "constraints": ""
        },
        {
          "path": "$[].highest_size",
          "type": "string",
          "description": "The latest buyer's highest price order volume",
          "constraints": ""
        }
      ]
    }
  },
  "source_version": "v4.106.132",
  "source_url": "https://github.com/gate/gateapi-python/blob/cd2cac4d339ec0734480787d23c020f467fd7b80/openapi.yaml",
  "local_tool_limits": [
    "仅检查必填、枚举和简单数值范围",
    "复杂类型序列化、条件必填、时间窗口等以官方规则为准",
    "不会发起 API 请求"
  ]
}