二手车出售人信息查询 API（usedcar.sellerinfo）

# 用 usedcar.list 返回的车辆 dataId + dId 拉取该车辆的出售人/车商信息
curl -s -G "https://api.xujian.tech/openapi/usedcar/sellerinfo" \
  --data-urlencode "dataId=60323428" \
  --data-urlencode "dId=142990" \
  -H "X-API-Key: 你的APIKey"

{
  "code": 0,
  "msg": "success",
  "data": {
    "dataId": "60323428",
    "dealerId": "142990",
    "result": {
      "dealer": {
        "dealerid": 142990,
        "dealername": "示例二手车经纪有限公司",
        "address": "重庆市南岸区六公里二手车市场A8区",
        "cid": 500100,
        "cname": "重庆",
        "pid": 500000,
        "pname": "重庆",
        "description": "<p>诚信经营，欢迎现场看车试车验车</p>",
        "kindid": 3,
        "dealerimg": "https://example.com/escimg/xxx.jpg",
        "businessclass": ["车辆置换", "价格评估", "车辆寄售", "试乘试驾"]
      },
      "member": {
        "dealername": "示例二手车",
        "membername": "张某某"
      }
    },
    "apiCode": "usedcar.sellerinfo",
    "apiName": "二手车出售人信息查询",
    "chargeType": "PER_CALL",
    "balance": 99.9900,
    "costMs": 380
  }
}

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

{
  "code": 500,
  "msg": "未查询到该车辆的出售人信息，请核对 dataId 与 dealerId 后重试；本次调用不计费",
  "data": null
}

String body = HttpRequest.get("https://api.xujian.tech/openapi/usedcar/sellerinfo")
        .form("dataId", "60323428")
        .form("dId", "142990")
        .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");
JSONObject result = data.getJSONObject("result");
System.out.println("车商：" + result.getByPath("dealer.dealername"));
System.out.println("地址：" + result.getByPath("dealer.address"));
System.out.println("联系人：" + result.getByPath("member.membername"));
// 注意：description 含 HTML，展示前请做净化

import requests


def get_seller_info(api_key: str, data_id: str, d_id: str) -> dict | None:
    """按车辆 dataId + 经销商 dId 取出售人/车商信息；查不到返回 None 且不扣费"""
    resp = requests.get(
        "https://api.xujian.tech/openapi/usedcar/sellerinfo",
        params={"dataId": data_id, "dId": d_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 None
    return result["data"]["result"]


if __name__ == "__main__":
    info = get_seller_info("你的APIKey", "60323428", "142990")
    if info:
        dealer = info["dealer"]
        print("车商：", dealer.get("dealername"), "| 地址：", dealer.get("address"))

const params = new URLSearchParams({ dataId: "60323428", dId: "142990" });

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

const { code, msg, data } = await resp.json();
if (code === 0) {
  const { dealer, member } = data.result;
  console.log("车商：", dealer.dealername, "| 联系人：", member.membername);
} else {
  console.warn("查询失败（不收费）：", msg);
}