
数脉API 机动车注册登记证OCR识别接口调用
2026-01-20

一、接口名称
二、接口介绍
机动车注册登记证识别,可精准识别机动车登记证上的车辆识别代号/车架号、车辆类型、车辆品牌/型号、颜色、使用性质、登记日期、发证日期等结构化信息。
三、API接口文档
1. 请求地址
url:https://api.shumaidata.com/v4/recognize_vehicle_registration/ocr
请求方式 method:post
参数:

2. 签名算法说明
服务商分配的appid、当前时间毫秒数timestamp、商户分配的app_security、 三者通过&符号拼接成字符串进行md5加密得到。
如:appid=xyzxyzxyz,timestamp=1555378976238,app_security=efcefcefcefcefc ;
拼接后的字符串:str=xyzxyzxyz&1555378976238&efcefcefcefcefc ;
加密后得到sign = md5(str) = 4e7e1974b79f3656aeaf03f1158f5d5d ;
3. 正确返回示例
{
"msg": "成功",
"success": true,
"code": 200,
"data": {
"order_no": "tzocjo4ocn6vy3jw3u",
"containerDimension": "",
"cabPassengerCapacity": "",
"engineType": "DUK",
"steeringForm": "方向盘",
"vehicleBrand": "大众汽车牌",
"vinCode": "LSVCY6C49MN027789",
"registrationAuthority": "上海市公安局交通警察总队车辆管理所",
"registrationDate": "2021-04-28",
"vehicleModel": "SVW7142BPV",
"manufactureDate": "2021-03-16",
"displacement": "1395",
"power": "110",
"issueDate": "2021-04-28",
"vehicleType": "小型本",
"rearWheelTrack": "1570",
"vehicleColor": "",
"tireNumber": "4",
"axleNumber": "",
"passengerCapacity": "5",
"useNature": "租赁",
"engineNumber": "035154",
"acquisitionMethod": "购买",
"issueAuthority": "上海市公安局交通警察总队",
"isDomestic": "国产",
"barCode": "3100****32",
"vehicleOwnerInfo": "某某****限公司/统一社会信用代码/1234567****194E",
"fuelType": "混合动力",
"springNumber": "",
"wheelbase": "2871",
"registrationNumber": "沪A****45",
"overallDimension": "4948×1836×1469",
"manufactureName": "上汽****有限公司",
"totalWeight": "2190",
"tractionWeight": "",
"frontWheelTrack": "1584",
"tireSize": "215/60R1695V",
"permittedWeight": ""
}
}
4. 错误返回示例
{
"msg": "入参错误",
"success": false,
"code": 400,
"data": { }
}
5. 返回字段说明

6. 结构化字段信息说明(date字段)

更多字段说明详见接口详情页:机动车注册登记证识别
7. Code错误码说明

四、相关接口推荐
更多API接口调用:https://www.shumaiapi.com/product
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