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+## Service
+
+### 担保交易收款接口
+
+#### Name
+
+```ruby
+create_partner_trade_by_buyer
+```
+
+#### Definition
+
+```ruby
+Alipay::Service.create_partner_trade_by_buyer_url({ARGUMENTS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+Alipay::Service.create_partner_trade_by_buyer_url(
+  out_trade_no: '20150401000-0001',
+  subject: 'Order Name',
+  price: '10.00',
+  quantity: 12,
+  logistics_type: 'DIRECT',
+  logistics_fee: '0',
+  logistics_payment: 'SELLER_PAY',
+  return_url: 'https://example.com/orders/20150401000-0001',
+  notify_url: 'https://example.com/orders/20150401000-0001/notify'
+)
+# => 'https://mapi.alipay.com/gateway.do?service=create_partner_trade_by_buyer&...'
+```
+
+Guide consumer to this address to complete payment
+
+#### Arguments
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| out_order_no | required | Order id in your application. |
+| subject | required | Order subject. |
+| price | required | Order item's price. |
+| quantity | required | Order item's quantity, total price is price * quantity. |
+| logistics_type | required | Logistics type. Available values: POST, EXPRESS, EMS, DIRECT. |
+| logistics_fee | required | Logistics fee. |
+| logistics_payment | required | Who pay the logistics fee. Available values: BUYER_PAY, SELLER_PAY, BUYER_PAY_AFTER_RECEIVE. |
+| return_url | optional | Redirect customer to this url after payment. |
+| notify_url | optional | Alipay asyn notify url. |
+
+This is not a complete list of arguments, please read official document: http://download.alipay.com/public/api/base/alipayescow.zip .
+
+### 确认发货接口
+
+#### Name
+
+```ruby
+send_goods_confirm_by_platform
+```
+
+#### Definition
+
+```ruby
+Alipay::Service.send_goods_confirm_by_platform({ARGUMENTS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+Alipay::Service.send_goods_confirm_by_platform(
+  trade_no: '201504010000001',
+  logistics_name: 'example.com',
+  transport_type: 'DIRECT'
+)
+# => '<!xml version="1.0" encoding="utf-8"?><alipay><is_success>T</is_success></alipay>'
+```
+
+#### Arguments
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| trade_no | required | Trade number in Alipay system, should get from notify message. |
+| logistics_name | required | Logistics Name. |
+| transport_type/create_transport_type | required | Allowed values: POST, EXPRESS, EMS, DIRECT. |
+
+This is not a complete list of arguments, please read official document: http://download.alipay.com/public/api/base/alipayescow.zip .
+
+### 即时到账收款接口
+
+#### Name
+
+```ruby
+create_direct_pay_by_user
+```
+
+#### Definition
+
+```ruby
+Alipay::Service.create_direct_pay_by_user_url({ARGUMENTS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+Alipay::Service.create_direct_pay_by_user_url(
+  out_trade_no: '20150401000-0001',
+  subject: 'Order Name',
+  total_fee: '10.00',
+  return_url: 'https://example.com/orders/20150401000-0001',
+  notify_url: 'https://example.com/orders/20150401000-0001/notify'
+)
+```
+
+#### Arguments
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| out_order_no | required | Order id in your application. |
+| subject | required | Order subject. |
+| total_fee | required | Order's total fee. |
+| return_url | optional | Redirect customer to this url after payment. |
+| notify_url | optional | Alipay asyn notify url. |
+
+This is not a complete list of arguments, please read official document: http://download.alipay.com/public/api/base/alipaydirect.zip .
+
+### 手机网站支付接口
+
+#### Name
+
+```ruby
+alipay.wap.create.direct.pay.by.user
+```
+
+#### Definition
+
+```ruby
+Alipay::Service.create_direct_pay_by_user_wap_url({ARGUMENTS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+Alipay::Service.create_direct_pay_by_user_wap_url(
+  out_trade_no: '20150401000-0001',
+  subject: 'Order Name',
+  total_fee: '10.00',
+  return_url: 'https://example.com/orders/20150401000-0001',
+  notify_url: 'https://example.com/orders/20150401000-0001/notify'
+)
+```
+
+#### Arguments
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| out_order_no | required | Order id in your application. |
+| subject | required | Order subject. |
+| total_fee | required | Order's total fee. |
+| return_url | optional | Redirect customer to this url after payment. |
+| notify_url | optional | Alipay asyn notify url. |
+
+This is not a complete list of arguments, please read official document: http://download.alipay.com/public/api/base/alipaywapdirect.zip .
+
+
+
+
+### 国际支付宝移动接口
+
+#### Name
+
+```ruby
+create_forex_trade_wap
+```
+
+#### Definition
+
+```ruby
+Alipay::Service.create_forex_trade_wap_url({ARGUMENTS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+Alipay::Service.create_forex_trade_wap_url(
+  out_trade_no: '20150401000-0001',
+  subject: 'Order Name',
+  merchant_url: 'http://example.com/itemback',
+  total_fee: '10.00', #or rmb_fee, only one
+  currency: 'USD',
+  return_url: 'https://example.com/orders/20150401000-0001',
+  notify_url: 'https://example.com/orders/20150401000-0001/notify'
+)
+```
+
+#### Arguments
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| out_order_no | required | Order id in your application. |
+| subject | required | Order subject. |
+| merchant_url | required | The link which customer could jump back to merchant page from Alipay cashier. |
+| total_fee or rmb_fee | required | Order's total fee. |
+| currency | required | currency type. |
+| return_url | optional | Redirect customer to this url after payment. |
+| notify_url | optional | Alipay asyn notify url. |
+
+This is not a complete list of arguments, please read official document: https://global.alipay.com/product/mobilepayments.html .
+
+
+### 即时到账批量退款有密接口
+
+#### Name
+
+```ruby
+refund_fastpay_by_platform_pwd
+```
+
+#### Definition
+
+```ruby
+Alipay::Service.refund_fastpay_by_platform_pwd_url
+```
+
+#### Example
+
+```ruby
+batch_no = Alipay::Utils.generate_batch_no # refund batch no, you SHOULD store it to db to avoid alipay duplicate refund
+Alipay::Service.refund_fastpay_by_platform_pwd_url(
+  batch_no: batch_no,
+  data: [{
+    trade_no: '201504010000001',
+    amount: '10.0',
+    reason: 'REFUND_REASON'
+  }],
+  notify_url: 'https://example.com/orders/20150401000-0001/refund_notify'
+)
+# => https://mapi.alipay.com/gateway.do?service=refund_fastpay_by_platform_pwd&...
+```
+
+#### Arguments
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| batch_no | required | Refund batch no, you should store it to db to avoid alipay duplicate refund. |
+| data | required | Refund data, a hash array. |
+| notify_url | required | Alipay notify url. |
+
+##### Data Item
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| trade_no | required | Trade number in alipay system. |
+| amount | required | Refund amount. |
+| reason | required | Refund reason. Less than 256 bytes, could not contain special characters: ^ $ &#124; #. |
+
+This is not a complete list of arguments, please read official document: http://download.alipay.com/public/api/base/alipaydirect.zip .
+
+### 关闭交易接口
+
+#### Name
+
+```ruby
+close_trade
+```
+
+#### Definition
+
+```ruby
+Alipay::Service.close_trade({ARGUMENTS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+Alipay::Service.close_trade(
+  trade_no: '201504010000001'
+)
+# => '<?xml version="1.0" encoding="utf-8"?><alipay><is_success>T</is_success></alipay>'
+
+# When fail
+# => '<?xml version="1.0" encoding="utf-8"?><alipay><is_success>F</is_success> <error>TRADE_STATUS_NOT_AVAILD</error></alipay>'
+```
+
+#### ARGUMENTS
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| out_order_no | optional * | Order number in your application. |
+| trade_no | optional * | Trade number in alipay system. |
+
+\* out_order_no and trade_no must have one.
+
+### 单笔交易查询接口
+
+#### Name
+
+```ruby
+single_trade_query
+```
+
+#### Definition
+
+```ruby
+Alipay::Service.single_trade_query({ARGUMENTS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+Alipay::Service.single_trade_query(
+  trade_no: '201504010000001'
+)
+# => '<?xml version="1.0" encoding="utf-8"?><alipay><is_success>T</is_success>...
+```
+
+#### ARGUMENTS
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| out_trade_no | optional * | Order number in your application. |
+| trade_no | optional * | Trade number in alipay system. |
+
+\* out_trade_no and trade_no must have one.
+
+### 境外收单接口
+
+#### Name
+
+```ruby
+create_forex_trade
+```
+
+#### Definition
+
+```ruby
+Alipay::Service.create_forex_trade_url({ARGUMENTS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+Alipay::Service.create_forex_trade_url(
+  out_trade_no: '20150401000-0001',
+  subject: 'Subject',
+  currency: 'USD',
+  total_fee: '10.00',
+  notify_url: 'https://example.com/orders/20150401000-0001/notify'
+)
+# => 'https://mapi.alipay.com/gateway.do?service=create_forex_trade...'
+```
+
+#### ARGUMENTS
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| out_trade_no | required | Order number in your application. |
+| subject | required | Order subject. |
+| currency | required | Abbreviated currency name. |
+| total_fee | required * | Order total price. |
+| notify_url | optional | Alipay asyn notify url. |
+
+\* total_fee can be replace by rmb_fee.
+
+### 境外收单单笔退款接口
+
+#### Name
+
+```ruby
+forex_refund
+```
+
+#### Definition
+
+```ruby
+Alipay::Service.forex_refund_url({ARGUMENTS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+Alipay::Service.forex_refund_url(
+  out_return_no: '20150401000-0001',
+  out_trade_no: '201504010000001',
+  return_amount: '10.00',
+  currency: 'USD',
+  reason: 'Reason',
+  gmt_return: '20150401000000'
+)
+```
+
+#### ARGUMENTS
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| out_return_no | required | Refund no, you should store it to db to avoid alipay duplicate refund. |
+| out_trade_no | required | Order number in your application. |
+| return_amount | required | Refund amount. |
+| currency | required | Abbreviated currency name. |
+| reason | required | Refun reason. |
+| gmt_return | required * | YYYYMMDDHHMMSS Beijing Time. |
+
+\* Auto set Time.now if not set.
+
+### 账单明细分页查询接口
+
+#### Name
+
+```ruby
+account.page.query
+```
+
+#### Definition
+
+```ruby
+Alipay::Service::account_page_query({PARAMS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+Alipay::Service.account_page_query(
+  page_no: 1,
+  gmt_start_time: '2015-10-25 00:00:00',
+  gmt_end_time: '2015-10-26 00:00:00'
+)
+```
+
+#### Arguments
+
+It's an unpublic api, contact support for permission and document.
+
+### 批量付款到支付宝账户接口
+
+#### Name
+
+```ruby
+batch_trans_notify
+```
+
+#### Definition
+
+```ruby
+Alipay::Service::batch_trans_notify_url({PARAMS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+Alipay::Service.batch_trans_notify_url(
+  notify_url: 'https://example.com/orders/20150401000-0001/notify',
+  account_name: '毛毛',
+  detail_data: '0315006^testture0002@126.com^常炜买家^1000.00^hello',
+  batch_no: '20080107001',
+  batch_num: 1,
+  batch_fee: 1000.00,
+  email: 'biz_932@alitest.com'
+)
+#=> 'https://mapi.alipay.com/gateway.do?service=batch_trans_notify&...'
+```
+
+#### Arguments
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| notify_url | required | Alipay asyn notify url. |
+| account_name | required | Alipay account name of payer. |
+| detail_data | required | Payment data. |
+| batch_no | required | Batch transaction number. |
+| batch_num | required | Batch transaction count. |
+| batch_fee | required | Batch transaction total amount. |
+| email | required | Alipay email account of payer. |
+
+Document: https://doc.open.alipay.com/doc2/detail?treeId=64&articleId=103773&docType=1
+
+### 验证通知
+
+#### Name
+
+```ruby
+notify_verify
+```
+
+#### Definition
+
+```ruby
+Alipay::Notify.verify?({PARAMS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+# Rails
+# params except :controller_name, :action_name, :host, etc.
+notify_params = params.except(*request.path_parameters.keys)
+
+Alipay::Notify.verify?(notify_params, options = {})
+```
+
+### QR Code 生成二维码
+
+#### Name
+
+```ruby
+alipay.commerce.qrcode.create
+```
+
+#### Definition
+
+```ruby
+Alipay::Service.create_merchant_qr_code?({PARAMS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+create_qr_code_params = {
+  biz_type: "OVERSEASHOPQRCODE",
+  biz_data: {
+    secondary_merchant_industry: "5812",
+    secondary_merchant_id: "51182918",
+    secondary_merchant_name: "OverSeas Store",
+    store_id: "21231",
+    store_name: "12818",
+    trans_currency: "USD",
+    currency: "USD"
+  }
+}
+
+Alipay::Service.create_merchant_qr_code(create_qr_code_params)
+```
+
+#### ARGUMENTS
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| notify_url | optional | Alipay asyn notify url. |
+| biz_type | required | Business type that is defined by Alipay, this case is “OVERSEASHOPQRCODE” |
+| biz_data | required | Business data. Format：JSON |
+
+#### BIZ_DATA ARGUMENTS (required)
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| secondary_merchant_industry | required | Business sector, it is distribued by Alipay for distinguish the sectors. |
+| secondary_merchant_id | required | secondary_merchant_id, sub-merchant ID which is used for distinguish each specific sub merchants. The max length is 32. |
+| secondary_merchant_name | required | secondary_merchant_name: sub-merchant name which will be recorded in user’s statement. The max length is 32. |
+| trans_currency | required | The pricing currency |
+| currency | required | The currency to settle with the merchant. The default value is CNY. If the pricing currency is not CNY, then the settlement currency must be either CNY or the pricing currency. |
+
+This is not a complete list of arguments, please read official document: https://global.alipay.com/service/merchant_QR_Code/15
+
+## Mobile::Service
+
+### 移动支付接口
+
+#### Name
+
+```ruby
+mobile.securitypay.pay
+```
+
+#### Definition
+
+```ruby
+Alipay::Mobile::Service.mobile_securitypay_pay_string({ARGUMENTS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+Alipay::Mobile::Service.mobile_securitypay_pay_string(
+  out_trade_no: '20150401000-0001',
+  notify_url: 'https://example.com/orders/20150401000-0001/notify'
+  subject: 'subject',
+  total_fee: '10.00',
+  body: 'text'
+)
+# => service="mobile.securitypay.pay"&_input_charset="utf-8"&partner=...
+```
+
+#### ARGUMENTS
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| out_trade_no | required | Order number in your application. |
+| notify_url | required | Alipay asyn notify url. |
+| subject | required | Order subject. |
+| total_fee | required | Order total price. |
+| body | required | Order body, less than 512 bytes. |
+
+\* This service only support RSA sign_type.
+
+This is not a complete list of arguments, please read official document: http://download.alipay.com/public/api/base/WS_MOBILE_PAY_SDK_BASE.zip .
+
+### APP支付接口
+
+#### Name
+
+```ruby
+alipay.trade.app.pay
+```
+
+#### Definition
+
+```ruby
+Alipay::App::Service.alipay_trade_app_pay({ARGUMENTS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+biz_content = {
+  'body': body, 'out_trade_no': out_trade_no, 'passback_params': passback_params,
+  'product_code': 'QUICK_MSECURITY_PAY', 'subject': subject, 'total_amount': total_amount
+}.to_json
+
+params = {
+  notify_url: 'https://example.com/orders/20150401000-0001/notify',
+  app_id: '1234567890',
+  biz_content: biz_content
+}
+
+options = {
+  sign_type: :rsa2, # :rsa 或 :rsa2
+  key: OpenSSL::PKey::RSA.new("private key content ...")
+}
+
+Alipay::App::Service.alipay_trade_app_pay(params, options)
+# => service="alipay.trade.app.pay"&_input_charset="utf-8"&partner=...
+```
+
+#### ARGUMENTS
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| app_id | required | Application-assigned id |
+| out_trade_no | required | Order number in your application. |
+| notify_url | required | Alipay asyn notify url. |
+| subject | required | Order subject. |
+| total_amount | required | Order total price. |
+| body | required | Order body, less than 512 bytes. |
+| biz_content | required | A list of business parameters |
+
+\* This service support RSA or RSA2 sign_type.
+
+This is not a complete list of arguments, please read official document: https://doc.open.alipay.com/docs/doc.htm?spm=a219a.7629140.0.0.vwh1xQ&treeId=193&articleId=105465&docType=1 .
+
+#### APP支付验证通知
+
+```ruby
+options = {
+  sign_type: :rsa2, # :rsa 或 :rsa2
+  key: OpenSSL::PKey::RSA.new("alipay sdk public key ...")
+}
+
+Alipay::App::Sign.verify?(params, options)
+```
+
+## Wap::Service
+
+### 授权接口
+
+#### Name
+
+```ruby
+alipay.wap.trade.create.direct
+```
+
+#### Definition
+
+```ruby
+Alipay::Wap::Service.trade_create_direct_token({ARGUMENTS}, {OPTIONS}}
+```
+
+#### Example
+
+```ruby
+token = Alipay::Wap::Service.trade_create_direct_token(
+  req_data: {
+    seller_account_name: 'account@example.com',
+    out_trade_no: '20150401000-0001',
+    subject: 'Subject',
+    total_fee: '10.0',
+    call_back_url: 'https://example.com/orders/20150401000-0001',
+    notify_url: 'https://example.com/orders/20150401000-0001/notify'
+  }
+)
+```
+
+#### ARGUMENTS
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| req_data | required | See req_data ARGUMENTS |
+
+##### req_data ARGUMENTS
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| seller_account_name | required | Alipay seller account. |
+| out_order_no | required | Order id in your application. |
+| subject | required | Order subject. |
+| total_fee | required | Order total price. |
+| return_url | optional | Redirect customer to this url after payment. |
+| notify_url | optional | Alipay asyn notify url. |
+
+This is not a complete list of arguments, please read official document: http://download.alipay.com/public/api/base/WS_WAP_PAYWAP.zip .
+
+### 交易接口
+
+#### Name
+
+```ruby
+alipay.wap.auth.authAndExecute
+```
+
+#### Definition
+
+```ruby
+Alipay::Wap::Service.auth_and_execute_url({ARGUMENTS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+Alipay::Wap::Service.auth_and_execute_url(request_token: token)
+```
+#### ARGUMENTS
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| request_token | required | Get from trade_create_direct_token |
+
+### 风险探测服务接口
+
+#### Name
+
+```ruby
+alipay.security.risk.detect
+```
+
+#### Definition
+
+```ruby
+Alipay::Wap::Service.security_risk_detect({ARGUMENTS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+Alipay::Wap::Service.security_risk_detect({
+  order_no: '1',
+  order_credate_time: '1970-01-01 00:00:00',
+  order_category: 'TestCase^AlipayGem^Ruby',
+  order_item_name: 'item',
+  order_amount: '0.01',
+  buyer_account_no: '2088123123',
+  buyer_bind_mobile: '13600000000',
+  buyer_reg_date: '1970-01-01 00:00:00',
+  terminal_type: 'WAP'
+}, {
+  sign_type: 'RSA',
+  key: RSA_PRIVATE_KEY
+})
+```
+#### ARGUMENTS
+
+| Key | Requirement | Description |
+| --- | ----------- | ----------- |
+| order_no | optional | Order id in your application. |
+| order_credate_time | optional | Order created time. |
+| order_category | optional | Categories of Order's items. using `^` as splitter. |
+| order_item_name | optional | Order subject. |
+| order_amount | optional | Order item's price. |
+| buyer_account_no | optional | User id in your application. |
+| buyer_reg_date | optional | User created time. |
+| buyer_bind_mobile | optional | User mobile phone. |
+| terminal_type | optional | The terminal type which user are using to request the payment, can be `MOBILE` for App, `WAP` for mobile, `WEB` for PC. |
+
+### 验证通知
+
+#### Name
+
+```ruby
+notify_verify
+```
+
+#### Definition
+
+```ruby
+Alipay::Wap::Notify.verify?({PARAMS}, {OPTIONS})
+```
+
+#### Example
+
+```ruby
+# Rails
+# params except :controller_name, :action_name, :host, etc.
+notify_params = params.except(*request.path_parameters.keys)
+
+Alipay::Wap::Notify.verify?(notify_params)
+```