二手车车型参数查询 API（usedcar.param）

# 用 usedcar.list 返回的车辆 dataId 拉取该车完整配置参数
curl -s -G "https://api.xujian.tech/openapi/usedcar/param" \
  --data-urlencode "dataId=60335237" \
  -H "X-API-Key: 你的APIKey"

{
  "code": 0,
  "msg": "success",
  "data": {
    "dataId": "60335237",
    "total": 2,
    "groups": [
      {
        "title": "牌照信息",
        "data": [
          { "name": "首次上牌时间", "content": "2024-12-01", "countline": 0 },
          { "name": "车辆年审时间", "content": "2026-12", "countline": 0 },
          { "name": "交强险截止日期", "content": "2026-12", "countline": 0 }
        ]
      },
      {
        "title": "基本参数",
        "data": [
          { "name": "车型名称", "content": "宝马X1 2023款 sDrive20Li X设计套装", "countline": 0 },
          { "name": "厂商指导价(元)", "content": "28.89万", "countline": 0 },
          { "name": "级别", "content": "紧凑型SUV", "countline": 0 },
          { "name": "能源类型", "content": "汽油", "countline": 0 }
        ]
      }
    ],
    "apiCode": "usedcar.param",
    "apiName": "二手车车型参数查询",
    "chargeType": "PER_CALL",
    "balance": 99.9800,
    "costMs": 420
  }
}

{
  "code": 500,
  "msg": "未查询到该车辆的参数配置，请核对 dataId（取 usedcar.list 返回的 dataId）后重试；本次调用不计费",
  "data": null
}

{
  "code": 500,
  "msg": "dataId 不能为空（取 usedcar.list 返回的车辆 dataId）",
  "data": null
}

String body = HttpRequest.get("https://api.xujian.tech/openapi/usedcar/param")
        .form("dataId", "60335237")
        .header("X-API-Key", apiKey)
        .timeout(15000)
        .execute()
        .body();

JSONObject json = JSONUtil.parseObj(body);
if (json.getInt("code") != 0) {
    System.out.println("查询失败（不收费）：" + json.getStr("msg"));
    return;
}
JSONObject data = json.getJSONObject("data");
for (JSONObject group : data.getJSONArray("groups").jsonIter()) {
    System.out.println("== " + group.getStr("title") + " ==");
    for (JSONObject item : group.getJSONArray("data").jsonIter()) {
        System.out.printf("  %s : %s%n", item.getStr("name"), item.getStr("content"));
    }
}

import requests


def get_car_params(api_key: str, data_id: str) -> list:
    """按车辆 dataId 拉取完整配置参数；查不到返回空列表且不扣费"""
    resp = requests.get(
        "https://api.xujian.tech/openapi/usedcar/param",
        params={"dataId": data_id},
        headers={"X-API-Key": api_key},
        timeout=20,
    )
    result = resp.json()
    if result.get("code") != 0:
        print("查询失败（不收费）：", result.get("msg"))
        return []
    return result["data"]["groups"]


if __name__ == "__main__":
    for group in get_car_params("你的APIKey", "60335237"):
        print("==", group["title"], "==")
        for item in group["data"]:
            print(" ", item["name"], ":", item["content"])

const params = new URLSearchParams({ dataId: "60335237" });

const resp = await fetch(`https://api.xujian.tech/openapi/usedcar/param?${params}`, {
  headers: { "X-API-Key": API_KEY },
});

const { code, msg, data } = await resp.json();
if (code === 0) {
  data.groups.forEach((group) => {
    console.log("==", group.title, "==");
    group.data.forEach((item) => console.log(" ", item.name, ":", item.content));
  });
} else {
  console.warn("查询失败（不收费）：", msg);
}