Alipay, China's leading third-party online payment solutionAlipay, China's leading third-party online payment solution

      alipay.acquire.precreate (for third-party QR code payment)

      Call this interface to place a pre-order without the payer identity information. Alipay returns a payment URL in the response. Payers can access the payment URL by using Alipay wallet to confirm the order and make the payment.

      #Request

      #Service address

      Environment

      HTTPS request URL

      Production environment

      Priority: https://globalmapi.alipay.com/gateway.do

      Backup: https://intlmapi.alipay.com/gateway.do

      Test environment

      https://mapi.alipaydev.com/gateway.do

      #Request parameters

      ParameterDescription

      service

      String Required

      Interface name

      Example:alipay.acquire.precreate

      partner

      String(16) Required

      The partner ID that is assigned by Alipay to identify an Alipay account. The partner ID is composed of 16 digits and begins with 2088. 

      Example:2088*********662

      _input_charset

      String Required

      The charset with which the request data are encoded. UTF-8, GBK, and GB2312 are supported.

      Example:UTF-8

      sign_type

      String Required

      Sign type. RSA, RSA2 and MD5 are supported. Use uppercase.

      Example:MD5

      sign

      String Required

      Sign value 

      Example:85bf83f78d5cefb804bd805532fc688e

      notify_url

      URL(200) Required

      The URL for receiving asynchronous notifications after the payment is completed.

      Example:http://api.test.alipay.net/atinterface/receive_notify.htm

      timestamp

      String Required

      The time when the merchant server sends the request. The time is in GMT+8, with a format of yyyy-MM-dd HH:mm:ss. By default, the request expires in 30 minutes. 

      Example:2018-03-22 12:23:21

      terminal_timestamp

      String

      The time when the terminal sends the request. The value is accurate to the millisecond. 

      Example:2018-03-22 12:23:21

      out_trade_no

      String(64) Required

      Unique order ID in the order system in corresponding merchant's website other than Alipay trade number. Uniqueness of this parameter in merchant's website shall be guaranteed. This is a parameter transmitted upon corresponding request, which shall be returned in its original shape.

      Example:990xxxxxxx8989

      subject

      String(256) Required

      Brief description of the transaction. Special characters are not supported.

      Note: The value of this field will be displayed to customers. 

      Example:kids clothing

      product_code

      String(32) Required

      Product code of the Alipay product that you use. The value is OVERSEAS_MBARCODE_PAY for oversea in-store payments.

      Example:OVERSEAS_MBARCODE_PAY

      total_fee

      Number(11,2) Required

      Total amount of a transaction in trans_currency. The CNY amount the user actually pays is converted from the value of this parameter.

      Example:10.01

      seller_id

      String(28)

      The unique Alipay user ID corresponding to the seller's Alipay account, which contains 16 digits and begins with 2088. If both sell_id and seller_email are null, the default value of this field is the value of the merchant.

      Example:2088101106499364

      seller_email

      String(100)

      Seller's Alipay account, in a format of email address or phone number. If seller_id is not null, the value of seller_id shall be the seller's ID and this parameter can be neglected.

      Example:test@alitest.com

      body

      String(400)

      Detailed description about the goods. In case of a variety of goods, descriptions for each goods are all included in this parameter. 

      Example:Glitter leggings

      show_url

      String(400)

      The hyperlink for showing goods on the webpage of the checkout counter.

      Example:http://www.taobao.com/product/113714.html

      currency

      String(8) Required

      The settlement currency that the merchant specifies in the contract. Use upper case. For more information about supported currencies, see Supported Currencies.

      Example:USD

      trans_currency

      String(8) Required

      The pricing currency. Use the same value for this parameter and the currency parameter. Contact Alipay technical support if you have to use different values. Use upper case.

      Example:USD

      price

      Number(9,2)

      Unit price of the goods in the order. If this parameter is transmitted in the request, the condition of total_fee=price×quantity must be met.

      Example:1

      quantity

      String(100)

      Quantity of the goods in the order. If this parameter is transmitted in the request, the condition of total_fee=price×quantity must be met.

      Example:10

      goods_detail

      String

      Details about the goods, which is in the format of JSON. The maximum number of goods for this field is 50. For more information, see goods_detail. 

      Example:[{"goodsId":"apple-01","goodsName":"ipad","goodsCategory":"7788230","price":"2000.00","qu antity":"1"}]

      extend_params

      String(512) Required

      This parameter contains extended parameters of the request, and transmits business information of the merchant. Format: JSON. For details, see extend_params.

      Example:{"store_id":"BJ_ZZ_001","store_name":"Muku in the Dreieichstrabe","secondary_merchant_id":"A80001","secondary_merchant_name":"Muku","secondary_merchant_industry":"7011"}

      it_b_pay

      String(200)

      Specifies the expiration time of unpaid transactions. The trade is closed automatically once the time is up. The value of this field is 3m by default. The value of this field is in the range of 1m - 15d.

      Notes:

      1. The following abbreviations are used to present units of time:
      • m: minute
      • h: hour
      • d: day
      • c: current day (Whenever the trade is created, it will be closed at 0:00).
      1. Decimal point of the numerical value of this parameter is rejected, for example, 1.5h need to be transformed to 90m.

      Example:1d

      passback_parameters

      String(256)

      If this parameter was sent to Alipay by the request, Alipay will return this parameter by the asynchronous notification with the extra_common_param parameter.

      Example:test

      #extend_params

      ParameterDescription

      secondary_merchant_id

      String Required

      The unique ID assigned by the partner to identify a secondary merchant. The ID can contain letters, numbers, and underscores.

      Example:A80001

      secondary_merchant_name

      String Required

      Registration legal name of the secondary merchant, shown in the Alipay Wallet and the reconciliation file to identify a secondary merchant.

      Example:Muku

      secondary_merchant_industry

      String(4) Required

      Industry classification identifier of the secondary merchant, which is assigned by Alipay. For more information about the MCC code, see MCC list.

      Example:7011

      store_name

      String Required

      Store name. Can be null only when the store information is verified. 

      Example:Muku in the Dreieichstrabe

      store_id

      String Required

      The unique ID that is assigned by the partner to identify a store of a merchant, which can contain letters, numbers, and underscores. 

      Example:BJ_ZZ_001

      terminal_id

      String

      Terminal ID 

      Example:T80001

      sys_service_provider_id

      String(32)

      System service provider ID, which is used to identify the payment system provider. 

      Example:R00998889911

      #goods_detail

      Goods details parameters shall be in the format of JSON and include the following parameters:

      ParameterDescription

      goodsId

      String Required

      Goods ID 

      Example:apple-01

      goodsName

      String Required

      Goods name 

      Example:ipad

      goodsCategory

      String

      Goods category 

      Example:34543238

      showUrl

      String

      Hyperlink for the show of goods on the webpage of checkout counter. 

      Example:http://www.taobao.com

      quantity

      String Required

      The quantity of goods 

      Example:1

      body

      String

      Detailed description about the goods. Special characters are not supported.

      Example:Glitter leggings

      price

      String Required

      Unit price of the goods in the order

      Example:2000


      Note:

      The decimal place accuracy of amounts, such as the values of total_fee and price, depends on the value of currency. If the value of currency isJPY, then the amount must be an integer. For example, 100 JPY. For other currencies, the amount is of two decimal place accuracy. For example, 100.00 USD. Amounts in other formats will cause error, for example, 100.999 USD.

      #Response

      #Synchronous response

      ParameterDescription
      Basic parameter

      is_success

      String Required

      Indicates whether the request succeeds or not, with a value of T for success and F for failure.

      Note: a successful request does not mean the business is accepted and processed successfully.

      Example:T

      sign_type

      String

      Sign type. RSA, RSA2 and MD5 are supported. Use uppercase.

      Example:MD5

      sign

      String

      Sign value 

      Example:ea489fc31da63253ba b52ed77fb45eb7

      error

      String

      Error code that is returned when the request is failed to describe the request failure reason. This parameter is not returned if the request succeeds. For more information, see the Error Code section in this document. 

      Example:ILLEGAL_SIGN

      Result Code

      result_code

      String(32) Required

      Response code of the processing result of the order placement and payment. For more details, see Business Response Code.

      Example:SUCCESS

      out_trade_no

      String(64)

      Unique order ID in the order system in the corresponding merchant's website other than Alipay trade number. Uniqueness of this parameter in merchant's website shall be guaranteed. This is a parameter transmitted upon corresponding request, which shall be returned in its original shape.

      Example:990xxxxxxx8989

      voucher_type

      String(10)

      Voucher type, and the value is qrcode. 

      Example:qrcode

      qr_code

      String(128)

      Value of the QR code

      Example:https://qr.alipay.com/pmxqwqka1ts5grar29

      big_pic_url

      String

      URL for the QR code in the big size 

      Example:http://mobilecodec. alipay.com/show.htm?code=baxga4hjmcal5rl8fa&picSize=L

      pic_url

      String

      URL for the QR code in the normal size

      Example:http://mobilecodec. alipay.com/show.htm?code=baxga4hjmcal5rl8fa&picSize=M

      small_pic_url

      String

      URL for the QR code in the small size

      Example:http://mobilecodec. alipay.com /show.htm?code=baxga4hjmcal5rl8fa&picSize=S

      detail_error_code

      String(48)

      Description of the returned response code. If the response code of result_code is ORDER_SUCCESS_PAY_SUCCESS, this parameter is not returned. 

      Example:REASON_ILLEGAL_STATUS

      detail_error_des

      String(64)

      Explanation of the detailed error code. If result_code is ORDER_SUCCESS_PAY_SUCCESS, this parameter is not returned.

      Example:Trade does not match with buyer

      Note:

      The synchronous response might have more parameters due to the upgrade on the Alipay server side. You can ignore parameters that are not included in this API document. 

      #Asynchronous response

      ParameterDescription
      Basic parameter

      notify_time

      Timestamp Required

      The time when the notification is sent. The time format is yyyy-MM-dd HH:mm:ss 

      Example:2013-11-27 15:45:58

      notify_type

      String Required

      Notification type 

      Example:trade_status_sync

      notify_id

      String Required

      Notification ID, used by the partner system to verify the notification 

      Example:ac05099524730693a8b330c5ecf72da978

      sign_type

      String Required

      Sign type. RSA, RSA2 and MD5 are supported. Use uppercase.

      Example:MD5

      sign

      String Required

      Sign value 

      Example:601510b7970e52cc63db0f44997cf70e

      Business parameter

      out_trade_no

      String

      Unique order ID in the order system in the corresponding merchant's website other than Alipay trade number. Uniqueness of this parameter in merchant's website shall be guaranteed. This is a parameter transmitted upon corresponding request, which shall be returned in its original shape.

      Example:990xxxxxxx8989

      subject

      String(256)

      Brief description of the transaction.This parameter is in the first column of Alipay trade details and is important for account checking. This parameter is transmitted by the corresponding request and needs to be returned with its original value. 

      Example:kids clothing

      trade_no

      String(64)

      The serial number assigned by Alipay to identify a trade in the Alipay system, with a length in the range 16 - 64 bits.

      Example:2013112711001004940000394507

      trade_status

      String

      Transaction status. See Trade status for details.

      Example:WAIT_BUYER_PAY

      gmt_create

      Date

      The time when the trade transaction is created. Format: yyyy-MM-dd HH:mm:ss. Use GMT+8. 

      Example:2013-11-27 15:45:57

      gmt_payment

      Date

      The time when the payment is completed. Format: yyyy-MM-dd HH:mm:ss. Use GMT+8. 

      Example:2013-11-27 15:45:57

      seller_email

      String

      Alipay ID of the seller, with a format of email address or phone number 

      Example:zhuzhanghu@alitest.com

      buyer_email

      String

      Buyer’s Alipay ID, which can be an email address or phone number. 

      Example:13******011

      seller_id

      String

      Seller’s unique Alipay user ID, consists of 16 digits and begins with 2088.

      Example:2088101106499364

      buyer_id

      String

      Buyer's unique Alipay user ID, consists of 16 digits and begins with 2088.

      Example:2088102105236945

      price

      Number

      Goods price. This parameter is transmitted by the corresponding request and needs to be returned with its original value. 

      Example:1.00

      quantity

      Number

      The quantity of goods. This parameter is transmitted by the corresponding request and needs to be returned with its original value. 

      Example:10

      total_fee

      Number(11,2)

      Total amount of a transaction in RMB. It is the corresponding parameter upon request, and will be returned back as it is if the currency is RMB.

      For a foreign currency, corresponding RMB amount will be calculated based on the exchange rate.

      Example:10.00

      body

      String

      Detailed description about the goods. This parameter is transmitted by the corresponding request and needs to be returned with its original value. 

      Example:Glitter leggings

      refund_fee

      Number

      The refund amount. The unit is Yuan. 

      Example:1.00

      paytools_pay_amount

      String

      Payment amount information of all successful payments in various channels. 

      Example:[{"MCARD":"7.94"},{"TMPOINT":"1.69"},{"BANKCARD":"5.55"}]

      extra_common_param

      String

      This parameter is returned with the value of passback_parameters in the corresponding request. 

      Example:{"qrcode":"https://qr.alipay.com/9446219319446735"}

      m_discount_forex_amount

      Number

      If coupons/vouchers are used in the transaction, the discount amount redeemed in the settlement currency will be returned. Otherwise, no return. 

      Example:2.19

      #paytools_pay_amount

      ParameterDescription

      ALIPAYACCOUNT

      String

      The money amount paid by the balance of Alipay account. The unit is Yuan. 

      Example:1.23

      MCARD

      String

      The money amount paid by the merchant's prepaid card. The unit is Yuan.

      Example:7.94

      MDISCOUNT

      String

      The money amount paid by the merchant's discount coupon. The unit is Yuan. 

      Example:1.23

      TMPOINT

      String

      The money amount paid by the Tmall points. The unit is Yuan.

      Example:1.69

      COUPON

      String

      The money amount paid by coupons. The unit is Yuan. 

      Example:1.23

      POINT

      String

      The money amount paid by points. The unit is Yuan. 

      Example:1.23

      DISCOUNT

      String

      The money amount paid by the discount. The unit is Yuan. Example:1.23

      BANKCARD

      String

      The money amount paid by the money fund. The unit is Yuan.

      Example:5.55

      MONEYFUND

      String

      The money amount paid by the money fund. The unit is Yuan.

      Example:1.23

      BAITIAO

      String

      The money amount paid by BAITIAO. The unit is Yuan. 

      Example:1.23

      PCARD

      String

      The money amount paid by the Alipay card. The unit is Yuan.

      Example:2.13

      PCREDIT

      String

      The money amount paid by the consumption credit card. The unit is Yuan.

      Example:1.23

      MCOUPON

      String

      The money amount paid by the merchants issued coupons. The unit is Yuan.

      Example:2.21

      #Error codes

      #Business response code

      Response code

      Description

      SUCCESS

      The order succeeds.

      FAIL

      The order is failed.

      #Business code

      Error code

      Description

      SYSTEM_ERROR

      Alipay system is currently not available.

      Action: Retry this request with the exact parameters. Refer to Case 2 for detailed instruction.

      CONTEXT_INCONSISTENT

      You were retrying a request identified by the same out_trade_no, but not all other request parameters were the same.

      Action: Retry this request with the exactly the same parameters, or with a new out_trade_no.

      TRADE_HAS_SUCCESS

      The payment of trade has been made successfully.

      Action: Mark this transaction as paid in your merchant system.

      TRADE_HAS_CLOSE

      The trade has expired.

      Action: Start a new transaction.

      TRADE_HAS_FINISHED

      The trade has been finished.

      Action: Start a new transaction.

      REASON_ILLEGAL_STATUS

      The trade status is illegal.

      Action: Start a new transaction.

      EXIST_FORBIDDEN_WORD

      Forbidden words are included in the order information.

      Action: Delete concerning words.

      ACCESS_FORBIDDEN

      Has no right to use the product.

      Action: Make sure your agreement with Alipay is still valid.

      SELLER_NOT_EXIST

      The seller does not exist.

      Action: Check the seller parameter value.

      SELLER_BEEN_BLOCKED

      The seller's account has been frozen.

      Action: Contact Alipay tech support for help.

      INVALID_PARAMETER

      Parameter error.

      Action: Check each request parameter according to the API specification.

      CURRENCY_NOT_SUPPORT

      This currency is not supported.

      Action: Check the value of the currency field.

      RESTRICTED_MERCHANT_INDUSTRY

      The transaction value cannot be greater than 5000 US dollars.

      Action: Check your value of secondary_merchant_industry and contact Alipay technical support if needed.

      PRODUCT_AMOUNT_LIMIT_ERROR

      The transaction amount exceeded the limitation.

      Action: Users can use the other payment method such as cash or the credit card

      EXCHANGE_AMOUNT_OR_CURRENCY_ERROR

      The exchange amount or currency is incorrect.

      Action: Contact Alipay technical support for help.

      ILLEGAL_MERCHANT_INDUSTRY

      Illegal MCC format.

      Action: Ensure the value of secondary_merchant_industry to be defined in the MCC list.

      FORBIDDEN_MERCHANT_INDUSTRY

      This transaction type is not allowed.

      Action: Check your value of secondary_merchant_industry and contact Alipay technical support if needed.

      INVALID_RECEIVE_ACCOUNT

      The seller is not in the payee list.

      Action: Contact Alipay technical support for help.

      SECONDARY_MERCHANT_ID_BLANK

      The secondary merchant ID is not provided to Alipay.

      Action: Send the secondary merchant ID to Alipay.

      SECONDARY_MERCHANT_ID_INVALID

      The secondary merchant is not registered with Alipay.

      Action: Check whether the provided secondary merchant ID is correct and whether the secondary merchant is registered with Alipay. If the secondary merchant is not registered with Alipay, register the secondary merchant with Alipay immediately.

      STORE_NOT_MATCH

      The secondary merchant is not registered with Alipay.

      Action: Check whether the provided store ID is correct and whether the secondary merchant is registered with Alipay. If the secondary merchant is not registered with Alipay, register the secondary merchant with Alipay immediately.

      SECONDARY_MERCHANT_STATUS_ERROR

      The status of secondary merchant is abnormal in the Alipay system.

      Action: Contact Alipay Business Support by sending an email to global.service@alipay.com.

      #Access code

      Error code

      Description

      ILLEGAL_SIGN

      Illegal signature.

      Action: Use a legal signature and try again.

      INVALID_PARAMETER

      Parameter error.

      Action: Check each request parameter according to the API specification.

      ILLEGAL_ARGUMENT

      Parameter error.

      Action: Check each request parameter according to the API specification. Contact Alipay technical support if this error persists.

      ILLEGAL_PARTNER

      Incorrect partner ID.

      Action: Ensure that the value of partner parameter matches the partner value provided by Alipay. Contact Alipay technical support if this error persists.

      ILLEGAL_EXTERFACE

      Interface configure error.

      Action: Ensure that the service parameter has the same value with the one in API specification. Contact Alipay technical support if this error persists

      ILLEGAL_PARTNER_EXTERFACE

      The partner ID does not have access privilege.

      Action: Ensure that your agreement with Alipay has been finalized. Contact Alipay technical support if needed.

      ILLEGAL_SIGN_TYPE

      Illegal sign type.

      Action: Ensure that the value of sign_type is among MD5, RSA and RSA2. Contact Alipay technical support if this error persists.

      HAS_NO_PRIVILEGE

      Has no privilege.

      Action: Contact Alipay technical support.

      ILLEGAL_EXTERFACE_FOR_CA_VERIFY

      The interface is not allowed to use Certificate Verification Service.

      Action: Contact Alipay technical support for help.

      ILLEGAL_CERT_IS_OVERDUE

      Certificate verification is failed due to the expired certificate.

      Action: Check the status of your certificate.

      ILLEGAL_CA_SIGN

      Certificate verification is failed.

      Action: Check the status of your certificate.

      #Trade status

      Enumeration name

      Description

      WAIT_BUYER_PAY

      The trade has been established and is waiting for the buyer to make payment.

      TRADE_CLOSED

      The trade is closed because the payment has not been completed within specified time or the payment has been fully returned when the trade completes.

      TRADE_SUCCESS

      The trade succeeds and is operable, such as multi-level royalty distribution or refund.

      TRADE_FINISHED

      The trade succeeds and is completed, and is not operable.

      #Handling result

      Case 1. When the invocation is failed due to network issue or request timeout, no response is returned from Alipay. Take the following actions:

      1. Check your network connectivity to Alipay gateway. Retry (every 3 seconds, up to 5 times.) this request with correct parameters until you get a response from Alipay.
      2. If you still cannot get any response from Alipay, contact Alipay technical support for help.

      Case 2. If you received the response from Alipay, but one of the following results is returned:

      • is_success=F and error=SYSTEM_ERROR
      • is_success=T, result_code=FAIL, and detail_error_code=SYSTEM_ERROR

      Take the following actions:

      1. Retry (every 3 seconds, up to 5 times.) this request with correct parameters until you get a response from Alipay.
      2. If you still cannot get any response from Alipay, contact Alipay technical support for help.

      Case 3. If you received the response from Alipay, and is_success=T and result_code=SUCCESS, continue the business process by rendering the QR code.

      Case 4. If you received the response from Alipay, and one of the following results is returned:

      • is_success=F and error=!SYSTEM_ERROR
      • is_success=T and result_code=FAIL and detail_error_code!=SYSTEM_ERROR.

      You must refer to the specific error code for instruction.

      #Pseudo code

      copy
      try{
        if(isCase3){ //CASE 3
          doSuccessProcess();
        }
        else if(isCase4){ //CASE 4
          doFailureProcess();
        }
        else{ //CASE 2
          
          retrySuccess = retryWithSameParameters(); //Retry every 3 seconds, up to 5 times.
      
          if(retrySuccess){
            doSuccessProcess();
          }
          else{
            // request Alipay tech support.
          }    
        }
      
      }catch (Exception ex){ // CASE 1
      
          retrySuccess = retryWithSameParameters(); //Retry every 3 seconds, up to 5 times.
      
          if(retrySuccess){
            doSuccessProcess();
          }
          else{
            // request Alipay tech support.
          }    
        }  
      }

      #Samples

      #Request

      https://intlmapi.alipay.com/gateway.do?service=alipay.acquire.precreate&partner=2088021966388155&_input_charset=UTF-8&sign_type=MD5&product_code=OVERSEAS_MBARCODE_PAY&currency=USD&trans_currency=USD&out_trade_no=out_trade_no_20190904_163941&subject=Mika's%20coffee%20shop&total_fee=0.01&seller_id=2088021966388155&extend_params=%7B%22secondary_merchant_id%22%3A%221314520%22%2C%22secondary_merchant_name%22%3A%22Mika's%20coffee%20shop%22%2C%22secondary_merchant_industry%22%3A%225499%22%2C%22store_name%22%3A%22Mika's%20coffee%20shop%22%2C%22store_id%22%3A%221993%22%7D&sign=69f16345d886f551d2e48351d0a64f21


      #Response

      #Synchronous response

      Business is accepted and processed normally, and acquiring is created successfully:

      copy
      <alipay>
          <is_success>T</is_success>
          <request>
              <param name="extend_params">
              {"secondary_merchant_id":"1314520","secondary_merchant_name":"Mika's coffee shop","secondary_merchant_industry":"5499","store_name":"Mika's coffee shop","store_id":"1993"}
              </param>
              <param name="_input_charset">UTF-8</param>
              <param name="subject">Mika's coffee shop</param>
              <param name="sign">69f16345d886f551d2e48351d0a64f21</param>
              <param name="product_code">OVERSEAS_MBARCODE_PAY</param>
              <param name="trans_currency">USD</param>
              <param name="out_trade_no">out_trade_no_20190904_163941</param>
              <param name="partner">208xxxxxxxxx8155</param>
              <param name="service">alipay.acquire.precreate</param>
              <param name="total_fee">0.01</param>
              <param name="currency">USD</param>
              <param name="sign_type">MD5</param>
              <param name="seller_id">208xxxxxxxxx8155</param>
          </request>
          <response>
              <alipay>
                  <big_pic_url>
                  https://mobilecodec.alipay.com/show.htm?code=bax00450gieal5w1cxdy80db&picSize=L
                  </big_pic_url>
                  <out_trade_no>out_trade_no_20190904_163941</out_trade_no>
                  <pic_url>
                  https://mobilecodec.alipay.com/show.htm?code=bax00450gieal5w1cxdy80db&picSize=M
                  </pic_url>
                  <qr_code>https://qr.alipay.com/bax00450gieal5w1cxdy80db</qr_code>
                  <result_code>SUCCESS</result_code>
                  <small_pic_url>
                  https://mobilecodec.alipay.com/show.htm?code=bax00450gieal5w1cxdy80db&picSize=S
                  </small_pic_url>
                  <voucher_type>qrcode</voucher_type>
              </alipay>
          </response>
          <sign>b25cfef6112d6e910745ce3ee9f1f69b</sign>
          <sign_type>MD5</sign_type>
      </alipay>


      Request succeeds, but the business processing fails:

      copy
      <?xml version="1.0" encoding="utf-8"?> 
       <alipay> 
        <is_success>T</is_success> 
        <request> 
         <param name="body">face-to-face-payment</param> 
         <param name="subject">iphone</param> 
         <param name="sign_type">MD5</param> 
         <param name="out_trade_no">990xxxxxxx8989</param> 
         <param name="total_fee">10</param> 
         <param name="partner">208xxxxxxxxx9364</param> 
         <param name="quantity">10</param> 
         <param name="sign">a1cb41a4019351965d4418c9cb933f0f</param> 
         <param name="_input_charset">UTF-8</param> 
         <param name="price">1</param> 
         <param name="it_b_pay">1d</param> 
         <param name="product_code">OVERSEAS_MBARCODE_PAY</param> 
         <param name="service">alipay.acquire.precreate</param> 
         <param name="seller_id">208xxxxxxxxx9364</param> 
        </request> 
        <response> 
        <alipay>
         <result_code>FAIL</result_code> 
         <detail_error_code>INVALID_PARAMETER</detail_error_code> 
         <detail_error_des>request paramter invalid</detail_error_des> 
         </alipay> 
        </response> 
        <sign>ea489fc31da63253bab52ed77fb45eb7</sign> 
        <sign_type>MD5</sign_type> 
       </alipay>


      Request fails or the data accessed are incorrect:

      copy
      <?xml version="1.0" encoding="utf-8"?> 
       <alipay> 
        <is_success>F</is_success> 
        <error>ILLEGAL_SIGN</error> 
       </alipay>


      #Asynchronous response

      copy
      https://www.mikascoffee.com/notify
      currency=USD
      trans_currency=USD
      trade_no=201xxxxxxxxxxxxxxxxxxxxx2392
      subject=Mika's coffee shop
      paytools_pay_amount=[{"PCREDIT":"0.07","PCC_PROD_ID":"9102"}]
      buyer_email=186****9365
      gmt_create=2019-09-11 19:22:52
      notify_type=trade_status_sync
      forex_rate=7.13210000
      quantity=1
      out_trade_no=out_trade_no_20190904_163949
      trans_amount=0.01
      seller_id=208xxxxxxxxx8155
      notify_time=2019-09-11 19:22:56
      trade_status=TRADE_SUCCESS
      total_fee=0.07
      gmt_payment=2019-09-11 19:22:56
      seller_email=$$
      price=0.07
      buyer_id=208xxxxxxxxx6535
      notify_id=201xxxxxxxxxxxxxxxxxxxxxxxxxxx1425
      sign_type=MD5
      sign=$$