# alipay.trade.price.create(价格创建)
支持第三方代理调用：本接口支持第三方开发者代用户发起调用
## 通用场景
价格创建接口
### 公共请求参数
|参数英文名|类型|是否必选|长度/取值|描述|示例值|
|---|---|---|---|---|---|
|app_id|String|必选|32|支付宝分配给开发者的应用ID|2014072300007148|
|method|String|必选|128|接口名称|alipay.trade.price.create|
|format|String|可选|40|仅支持JSON|JSON|
|charset|String|必选|10|请求使用的编码格式，如utf-8,gbk,gb2312等|utf-8|
|sign_type|String|必选|10|商户生成签名字符串所使用的签名算法类型，目前支持RSA2和RSA，推荐使用RSA2|RSA2|
|sign|String|必选|344|商户请求参数的签名串，详见[签名](https://opendocs.alipay.com/common/02khjm)|详见示例|
|timestamp|String|必选|19|发送请求的时间，格式"yyyy-MM-dd HH:mm:ss"|2014-07-24 03:07:50|
|version|String|必选|3|调用的接口版本，固定为：1.0|1.0|
|app_auth_token|String|可选|40|详见[应用授权概述](https://opendocs.alipay.com/isv/10467/xldcyq)||
|biz_content|String|必选||请求参数的集合，最大长度不限，除公共参数外所有请求参数都必须放在这个参数中传递，具体参照各产品快速接入文档||
### 业务请求参数
|参数英文名|类型|是否必选|长度/取值|描述|示例值|
|---|---|---|---|---|---|
|unit_amount|Number|特殊可选|1000000000|单位金额，单位：分<br><br>**必选条件**<br>当 custom_unit_amount 为空时必选|1000|
|custom_unit_amount|CustomUnitAmount|特殊可选||自定义单价，当 unit_amount 为空时必选<br><br>**必选条件**<br>当 unit_amount 为空时必选||
|custom_unit_amount.enable|Boolean|必须|10|是否启用灵活定价，启用后可设置 preset、maximum、minimum 字段|true|
|custom_unit_amount.preset|Number|可选|32|预设的自定义价格（单位：分），灵活定价开启后可设置|88888|
|custom_unit_amount.maximum|Number|可选|32|可自定义的最大金额（单位：分），灵活定价开启后可设置|1000000000|
|custom_unit_amount.minimum|Number|可选|32|可自定义的最小金额（单位：分），灵活定价开启后可设置|100|
|product_id|String|特殊可选|32|商品id，通过商品创建接口获取；和product_data二选其一<br><br>**必选条件**<br>当未传入product_data时必选|202603230010000006783|
|product_data|ProductData|特殊可选||商品模型，可以通过该参数一并创建商品信息<br><br>**必选条件**<br>当未传入product_id时必选||
|product_data.name|String|必须|255|商品名称|Gold 会员|
|product_data.description|String|必须|255|商品描述|基础权益|
|product_data.metadata|String|可选|2000|商户需要保存在商品模型中的元数据|{"key":"value"}|
|recurring|RecurringConfig|可选||循环计价配置，用于订阅等场景||
|recurring.interval|String|必须|32|计价周期单位，和interval_count组合使用<br>**枚举值**<br>月:MONTH<br>年:YEAR<br>日:DAY|MONTH|
|recurring.interval_count|Number|必须|32|计价周期间隔，和interval组合使用|1|
|eligibility_type|String|可选|32|只有满足该类型的身份才可以购买。具体的枚举值待支付宝侧分配|"student"|
|eligibility_expire_time|String|可选|32|满足了eligibility_type的身份购买后，失效的时间。如3d = 3天， 3m = 3月|"3d"|
|metadata|String|可选|2000|商户需要保存在价格模型中的元数据|{"key":"value"}|
### 请求示例
#### 默认示例
##### java
```
 package com.java.sdk.demo;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.AlipayConfig;
import com.alipay.api.domain.ProductData;
import com.alipay.api.domain.RecurringConfig;
import com.alipay.api.domain.CustomUnitAmount;
import com.alipay.api.request.AlipayTradePriceCreateRequest;
import com.alipay.api.response.AlipayTradePriceCreateResponse;
import com.alipay.api.domain.AlipayTradePriceCreateModel;

import com.alipay.api.FileItem;
import java.util.Base64;
import java.util.ArrayList;
import java.util.List;

public class AlipayTradePriceCreate {

    public static void main(String[] args) throws AlipayApiException {
        // 初始化SDK
        AlipayClient alipayClient = new DefaultAlipayClient(getAlipayConfig());

        // 构造请求参数以调用接口
        AlipayTradePriceCreateRequest request = new AlipayTradePriceCreateRequest();
        AlipayTradePriceCreateModel model = new AlipayTradePriceCreateModel();
        
        // 设置单位金额
        model.setUnitAmount(1000L);
        
        // 设置自定义单价
        CustomUnitAmount customUnitAmount = new CustomUnitAmount();
        customUnitAmount.setEnable(true);
        customUnitAmount.setMaximum(1000000000L);
        customUnitAmount.setPreset(88888L);
        customUnitAmount.setMinimum(100L);
        model.setCustomUnitAmount(customUnitAmount);
        
        // 设置商品id
        model.setProductId("202603230010000006783");
        
        // 设置商品信息
        ProductData productData = new ProductData();
        productData.setMetadata("{\"key\":\"value\"}");
        productData.setName("Gold 会员");
        productData.setDescription("基础权益");
        model.setProductData(productData);
        
        // 设置循环计价模型
        RecurringConfig recurring = new RecurringConfig();
        recurring.setIntervalCount(1L);
        recurring.setInterval("MONTH");
        model.setRecurring(recurring);
        
        // 设置价格限定购买的身份类型
        model.setEligibilityType("\"student\"");
        
        // 设置指定身份购买后的时效时间
        model.setEligibilityExpireTime("\"3d\"");
        
        // 设置价格信息元数据
        model.setMetadata("{\"key\":\"value\"}");
        
        request.setBizModel(model);
        // 第三方代调用模式下请设置app_auth_token
        // request.putOtherTextParam("app_auth_token", "<-- 请填写应用授权令牌 -->");

        AlipayTradePriceCreateResponse response = alipayClient.execute(request);
        System.out.println(response.getBody());

        if (response.isSuccess()) {
            System.out.println("调用成功");
        } else {
            System.out.println("调用失败");
            // sdk版本是"4.38.0.ALL"及以上,可以参考下面的示例获取诊断链接
            // String diagnosisUrl = DiagnosisUtils.getDiagnosisUrl(response);
            // System.out.println(diagnosisUrl);
        }
    }

    private static AlipayConfig getAlipayConfig() {
        String privateKey  = "<-- 请填写您的应用私钥，例如：MIIEvQIBADANB ... ... -->";
        String alipayPublicKey = "<-- 请填写您的支付宝公钥，例如：MIIBIjANBg... -->";
        AlipayConfig alipayConfig = new AlipayConfig();
        alipayConfig.setServerUrl("https://openapi.alipay.com/gateway.do");
        alipayConfig.setAppId("<-- 请填写您的AppId，例如：2019091767145019 -->");
        alipayConfig.setPrivateKey(privateKey);
        alipayConfig.setFormat("json");
        alipayConfig.setAlipayPublicKey(alipayPublicKey);
        alipayConfig.setCharset("UTF-8");
        alipayConfig.setSignType("RSA2");
        return alipayConfig;
    }
}
```
 

##### php
```
 <?php
require_once '../aop/AopClient.php';
require_once '../aop/AopCertClient.php';
require_once '../aop/AopCertification.php';
require_once '../aop/AlipayConfig.php';
require_once '../aop/request/AlipayTradePriceCreateRequest.php';

// 初始化SDK
$alipayClient = new AopClient(getAlipayConfig());
// 构造请求参数以调用接口
$request = new AlipayTradePriceCreateRequest();
$model = array();

// 设置单位金额
$model['unit_amount'] = 1000;

// 设置自定义单价
$customUnitAmount = array();
$customUnitAmount['enable'] = true;
$customUnitAmount['maximum'] = 1000000000;
$customUnitAmount['preset'] = 88888;
$customUnitAmount['minimum'] = 100;
$model['custom_unit_amount'] = $customUnitAmount;

// 设置商品id
$model['product_id'] = "202603230010000006783";

// 设置商品信息
$productData = array();
$productData['metadata'] = "{\"key\":\"value\"}";
$productData['name'] = "Gold 会员";
$productData['description'] = "基础权益";
$model['product_data'] = $productData;

// 设置循环计价模型
$recurring = array();
$recurring['interval_count'] = 1;
$recurring['interval'] = "MONTH";
$model['recurring'] = $recurring;

// 设置价格限定购买的身份类型
$model['eligibility_type'] = "\"student\"";

// 设置指定身份购买后的时效时间
$model['eligibility_expire_time'] = "\"3d\"";

// 设置价格信息元数据
$model['metadata'] = "{\"key\":\"value\"}";

$request->setBizContent(json_encode($model,JSON_UNESCAPED_UNICODE));
// 如果是第三方代调用模式，请设置app_auth_token（应用授权令牌）
$responseResult = $alipayClient->execute($request, null, "<-- 请填写应用授权令牌 -->", null);
$responseApiName = str_replace(".","_",$request->getApiMethodName())."_response";
$response = $responseResult->$responseApiName;
if(!empty($response->code)&&$response->code==10000){
    echo("调用成功");
}
else{
    echo("调用失败");
}

function getAlipayConfig()
{
    $privateKey  = '<-- 请填写您的应用私钥，例如：MIIEvQIBADANB ... ... -->';
    $alipayPublicKey = '<-- 请填写您的支付宝公钥，例如：MIIBIjANBg... -->';
    $alipayConfig = new AlipayConfig();
    $alipayConfig->setServerUrl('https://openapi.alipay.com/gateway.do');
    $alipayConfig->setAppId('<-- 请填写您的AppId，例如：2019091767145019 -->');
    $alipayConfig->setPrivateKey($privateKey);
    $alipayConfig->setFormat('json');
    $alipayConfig->setAlipayPublicKey($alipayPublicKey);
    $alipayConfig->setCharset('UTF-8');
    $alipayConfig->setSignType('RSA2');
    return $alipayConfig;
}
```
 

##### csharp
```
 using System;
using System.Collections.Generic;
using Aop.Api;
using Aop.Api.Request;
using Aop.Api.Response;
using Aop.Api.Domain;
using Aop.Api.Util;
namespace SdkDemoTest
{
    public class AlipayTradePriceCreate
    {
        public static void Main(string[] args) 
        {
            // 初始化SDK
            IAopClient alipayClient = new DefaultAopClient(GetAlipayConfig());
            // 构造请求参数以调用接口
            AlipayTradePriceCreateRequest request = new AlipayTradePriceCreateRequest();
            AlipayTradePriceCreateModel model = new AlipayTradePriceCreateModel();
            
            // 设置单位金额
            model.UnitAmount = 1000;
            
            // 设置自定义单价
            CustomUnitAmount customUnitAmount = new CustomUnitAmount();
            customUnitAmount.Enable = true;
            customUnitAmount.Maximum = 1000000000;
            customUnitAmount.Preset = 88888;
            customUnitAmount.Minimum = 100;
            model.CustomUnitAmount = customUnitAmount;
            
            // 设置商品id
            model.ProductId = "202603230010000006783";
            
            // 设置商品信息
            ProductData productData = new ProductData();
            productData.Metadata = "{\"key\":\"value\"}";
            productData.Name = "Gold 会员";
            productData.Description = "基础权益";
            model.ProductData = productData;
            
            // 设置循环计价模型
            RecurringConfig recurring = new RecurringConfig();
            recurring.IntervalCount = 1;
            recurring.Interval = "MONTH";
            model.Recurring = recurring;
            
            // 设置价格限定购买的身份类型
            model.EligibilityType = "\"student\"";
            
            // 设置指定身份购买后的时效时间
            model.EligibilityExpireTime = "\"3d\"";
            
            // 设置价格信息元数据
            model.Metadata = "{\"key\":\"value\"}";
            
            request.SetBizModel(model);
            // 第三方代调用模式下请设置app_auth_token
            // request.PutOtherTextParam("app_auth_token", "<-- 请填写应用授权令牌 -->");

            AlipayTradePriceCreateResponse response = alipayClient.Execute(request);

            if(!response.IsError)
            {
                Console.WriteLine("调用成功");
            }
            else
            {
                Console.WriteLine("调用失败");
            }
        }

        private static AlipayConfig GetAlipayConfig()
        {
            string privateKey  = "<-- 请填写您的应用私钥，例如：MIIEvQIBADANB ... ... -->";
            string alipayPublicKey = "<-- 请填写您的支付宝公钥，例如：MIIBIjANBg... -->";
            AlipayConfig alipayConfig = new AlipayConfig();
            alipayConfig.ServerUrl = "https://openapi.alipay.com/gateway.do";
            alipayConfig.AppId = "<-- 请填写您的AppId，例如：2019091767145019 -->";
            alipayConfig.PrivateKey = privateKey;
            alipayConfig.Format = "json";
            alipayConfig.AlipayPublicKey = alipayPublicKey;
            alipayConfig.Charset = "UTF-8";
            alipayConfig.SignType = "RSA2";
            return alipayConfig;
        }
    }
}
```
 

##### http
```
 curl 'https://openapi.alipay.com/gateway.do?charset=UTF-8&method=alipay.trade.price.create&format=json&sign=${sign}&app_id=${appid}&version=1.0&sign_type=RSA2&timestamp=${now}' \
 -F 'app_auth_token=${app_auth_token}' \
 -F 'biz_content={
	"unit_amount":1000,
	"custom_unit_amount":{
		"enable":true,
		"maximum":1000000000,
		"preset":88888,
		"minimum":100
	},
	"product_id":"202603230010000006783",
	"product_data":{
		"metadata":"{\"key\":\"value\"}",
		"name":"Gold 会员",
		"description":"基础权益"
	},
	"recurring":{
		"interval_count":1,
		"interval":"MONTH"
	},
	"eligibility_type":"\"student\"",
	"eligibility_expire_time":"\"3d\"",
	"metadata":"{\"key\":\"value\"}"
}' 
```
 

### 公共响应参数
|参数英文名|类型|是否必选|长度/取值|描述|示例值|
|---|---|---|---|---|---|
|code|String|必须|~|网关返回码，[详见文档](https://docs.open.alipay.com/common/105806)|40004|
|msg|String|必须|~|网关返回码描述，[详见文档](https://docs.open.alipay.com/common/105806)|Business Failed|
|sub_code|String|可选|~|业务返回码，参见具体的API接口文档||
|sub_msg|String|可选|~|业务返回码描述，参见具体的API接口文档||
|sign|String|必须|64|签名，[详见文档](https://docs.open.alipay.com/291/106074)|DZXh8eeTuAHoYE3w1J+POiPhfDxOYBfUNn1lkeT/V7P4zJdyojWEa6IZs6Hz0yDW5Cp/viufUb5I0/V5WENS3OYR8zRedqo6D+fUTdLHdc+EFyCkiQhBxIzgngPdPdfp1PIS7BdhhzrsZHbRqb7o4k3Dxc+AAnFauu4V6Zdwczo=|
### 业务响应参数
|参数英文名|类型|是否必选|长度/取值|描述|示例值|
|---|---|---|---|---|---|
|price_id|String|必须|32|价格实例id|202603230010000006783|
|product_id|String|必须|32|本次创建的商品或请求关联的商品id|202603230010000006783|
### 响应示例
#### 正常响应示例
```
 {
	"alipay_trade_price_create_response":{
		"code":"10000",
		"msg":"Success",
		"price_id":"202603230010000006783",
		"product_id":"202603230010000006783"
	},
	"sign":"ERITJKEIJKJHKKKKKKKHJEREEEEEEEEEEE"
}
```
 
#### 异常响应示例
```
 {"alipay_trade_price_create_response":{"code":"20000","msg":"Service Currently Unavailable","sub_code":"isp.unknow-error","sub_msg":"系统繁忙"},"sign":"ERITJKEIJKJHKKKKKKKHJEREEEEEEEEEEE"}
```
 
### 业务错误码
|错误码|错误描述|解决方案|
|---|---|---|
|SYSTEM_ERROR|系统繁忙|服务器异常 可能发生了网络或者系统异常，导致服务调用失败，商户可以用同样的请求发起重试|
|INVALID_PARAMETER|参数有误|请根据接口返回的参数非法的具体错误信息，修改参数后进行重试|