diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fa93ee6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+build/
+dist/
+smbc_gp_client.egg-info
+
+**/__pycache__
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..56e93f0
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2019 The Python Packaging Authority
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..afc8691
--- /dev/null
+++ b/README.md
@@ -0,0 +1,32 @@
+# Python SMBC GMO Pay Client Lib
+[![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2FMonoidDev%2Fsmbc-gp-client.svg?type=shield)](https://app.fossa.com/projects/git%2Bgithub.com%2FMonoidDev%2Fsmbc-gp-client?ref=badge_shield)
+
+An http client to call SMBC GMO Pay APIs. (smbc-gp-client)
+
+## Upload package
+```
+python3 -m pip install --user --upgrade setuptools wheel twine
+python3 setup.py sdist bdist_wheel
+twine upload dist/*
+```
+
+## How to use
+use pip install package `smbc-gp-client`
+```
+pip3 install smbc-gp-client
+```
+in your code:
+```python
+from smbc_gp_client.smbc_gp_client import SmbcGpClient
+
+client = SmbcGpClient()
+client.create_transation(...)
+client.execute_transaction(...)
+```
+for more details, please refer to `SmbcGpClient` class method description.
+
+## License
+[![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2FMonoidDev%2Fsmbc-gp-client.svg?type=large)](https://app.fossa.com/projects/git%2Bgithub.com%2FMonoidDev%2Fsmbc-gp-client?ref=badge_large)
+
+## Reference
+- SMBC GMO PAYMENT https://www.smbc-gp.co.jp/
diff --git a/renovate.json b/renovate.json
new file mode 100644
index 0000000..39a2b6e
--- /dev/null
+++ b/renovate.json
@@ -0,0 +1,6 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:base"
+  ]
+}
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..0b0accf
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,24 @@
+import setuptools
+
+with open("README.md", "r") as fh:
+  long_description = fh.read()
+
+setuptools.setup(
+  name="smbc-gp-client",
+  version="0.0.5",
+  author="Jierom",
+  author_email="jierom66@gmail.com",
+  description="An http client to call smbc-gp api",
+  long_description=long_description,
+  long_description_content_type="text/markdown",
+  url="https://github.com/MonoidDev/smbc-gp-client",
+  packages=setuptools.find_packages(),
+  classifiers=[
+  "Programming Language :: Python :: 3",
+  "License :: OSI Approved :: MIT License",
+  "Operating System :: OS Independent",
+  ],
+  install_requires=[
+    "requests",
+  ],
+)
\ No newline at end of file
diff --git a/smbc_gp_client/__init__.py b/smbc_gp_client/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/smbc_gp_client/smbc_gp_client.py b/smbc_gp_client/smbc_gp_client.py
new file mode 100644
index 0000000..4e879c0
--- /dev/null
+++ b/smbc_gp_client/smbc_gp_client.py
@@ -0,0 +1,351 @@
+import requests
+from enum import Enum
+
+def serialize_response(response):
+    data = dict()
+    params = response.text.split("&")
+    for param in params:
+        (key, value) = param.split("=")
+        data[key] = value
+    return data
+
+ENTRY_TRAN_PATH = '/EntryTran.idPass'
+EXEC_TRAN_PATH = '/ExecTran.idPass'
+SECURE_TRAN_PATH = '/SecureTran.idPass'
+SECURE_TRAN2_PATH = '/SecureTran2.idPass'
+ALTER_TRAN_PATH = '/AlterTran.idPass'
+CHANGE_TRAN_PATH = '/ChangeTran.idPass'
+SEARCH_TRADE_PATH = '/SearchTrade.idPass'
+
+class SmbcGpClient():
+
+    base_url = "https://pt01.smbc-gp.co.jp/payment"
+
+    def __init__(self):
+        print("init smbc-gp client success")
+    
+    def __init__(self, base_url):
+        self.base_url = base_url
+        print("init smbc-gp client success")
+
+    """
+    0. 创建交易
+
+    1. 执行交易 - 不使用会员 ID (卡号/token/google token/3ds1.0/3ds2.0)
+    3. 执行交易 - 使用 会员 ID (卡号/token/google token/3ds1.0/3ds2.0)
+    4. 执行交易 - 3DS 1.0 认证后执行
+    5. 执行交易 - 3DS 2.0 认证后执行
+
+    7. 交易变更
+    8. 金额变更
+
+    9. 交易状态查询
+    """
+
+    def create_transaction(self, shopId, shopPass, orderId, jobCd, amount, tax, 
+            itemCode='0000990', tdFlag=0, tdTenantName='', tds2Type=1, tdRequired=0):
+        """
+        To create a transation. Similar to login.
+
+        Args:
+            - shopId: shopId is issued by smbc-gp, beginning with tshop*.
+            - shopPass: shopPass is issued by smbc-gp, should be 8 char.
+            - orderId: orderId is used to identify a transaction.
+            - jobCd: processing category. Available values are CHECK(validity check)/CAPTURE(immediate sales)/AUTH(temparary sales)/SAUTH(simple authorization)
+            - itemCode: product code, default '0000990'
+            - amount: transaction amount
+            - tax: transaction tax
+            - tdFlag: whether to use 3DS
+            - tdTenantName: show the shop name with base64 encoded
+            - tds2Type: determine what to do next if 3DS2.0 is not supported
+            - tdRequired: whether to use 3DS when executing transaction
+
+        Returns:
+            - AccessId
+            - AccessPass
+            - ErrCode
+            - ErrInfo
+        """
+        url = self.base_url + ENTRY_TRAN_PATH
+        data = {
+            'ShopID': shopId, 
+            'ShopPass': shopPass, 
+            'OrderID': orderId, 
+            'JobCd': jobCd,
+            'ItemCode': itemCode,
+            'Amount': amount,
+            'Tax': tax,
+            'TdFlag': tdFlag,
+            'TdTenantName': tdTenantName,
+            'Tds2Type': tds2Type,
+            'TdRequired': tdRequired
+        }
+        return serialize_response(requests.post(url, data=data))
+
+    def execute_transaction(self, accessId, accessPass, orderId, 
+            method, payTimes, 
+            cardNo, expire, holderName, securityCode, 
+            token, pin, httpAccept, httpUserAgent, deviceCategory, 
+            clientField1, clientField2, clientField3, clientFieldFlag, tokenType):
+        """
+        Execute a transaction without member id.
+
+        Args:
+            - accessId: returned by create transaction api.
+            - accessPass: returned by create transaction api.
+            - orderId: orderId is used to identify a transaction.
+            - method: 1(一括)/2(分割)/3(ボーナス一括)/4(ボーナス分割)/5(リボ).
+            - payTimes: set when method=2/4.
+            - cardNo: credit card number.
+            - expire: credit card expire time.
+            - holderName: credit card holder name.
+            - securityCode: credit card security code.
+            - token: 
+            - pin: 
+            - httpAccept: use when enable 3DS.
+            - httpUserAgent: use when enable 3DS.
+            - deviceCategory: 0(PC)/1(携帯装置). use when enable 3DS.
+            - clientField1: free field.
+            - clientField2: free field.
+            - clientField3: free field.
+            - clientFieldFlag: if returns back. 0(no)/1(yes).
+            - tokenType: 1(card service)/2(google pay).
+        
+        Returns:
+
+        when not use 3DS:
+            - ACS: value 0.
+            - OrderID:
+            - Forward:
+            - Method:
+            - PayTimes:
+            - Approve:
+            - TranID:
+            - TranDate:
+            - CheckString:
+            - ClientField1:
+            - ClientField2:
+            - ClientField3:
+            - ErrCode:
+            - ErrInfo:
+
+        when use 3DS 1.0:  
+            - ACS: value 1.
+            - ACSUrl:
+            - PaReq:
+            - MD:
+            - ErrCode:
+            - ErrInfo:
+
+        when use 3DS 2.0:  
+            - ACS: value 2.
+            - RedirectUrl:
+            - ErrCode:
+            - ErrInfo:
+        """
+        url = self.base_url + EXEC_TRAN_PATH
+        data = {
+            'AccessID': accessId,
+            'AccessPass': accessPass,
+            'OrderID': orderId,
+            'Method': method,
+            'PayTimes': payTimes,
+            'CardNo': cardNo,
+            'Expire': expire,
+            'HolderName': holderName,
+            'SecurityCode': securityCode,
+            'Token': token,
+            'PIN': pin,
+            'HttpAccept': httpAccept,
+            'HttpUserAgent': httpUserAgent,
+            'DeviceCategory': deviceCategory,
+            'ClientField1': clientField1,
+            'ClientField2': clientField2,
+            'ClientField3': clientField3,
+            'ClientFieldFlag': clientFieldFlag,
+            'TokenType': tokenType,
+        }
+        return serialize_response(requests.post(url, data=data))
+
+    def execute_transaction_with_member(self, accessId, accessPass, orderId, 
+            method, payTimes, siteId, sitePass, memberId, seqMode, 
+            cardSeq, cardPass, securityCode, 
+            httpAccept, httpUserAgent, deviceCategory, 
+            clientField1, clientField2, clientField3):
+        """
+        Execute a transaction with member id.
+
+        Args:
+            - accessId: returned by create transaction api.
+            - accessPass: returned by create transaction api.
+            - orderId: orderId is used to identify a transaction.
+            - method: 1(一括)/2(分割)/3(ボーナス一括)/4(ボーナス分割)/5(リボ).
+            - payTimes: set when method=2/4.
+            - siteId: issued by smbc-gp.
+            - sitePass: issued by smbc-gp.
+            - memberId: 
+            - seqMode: 0(logic)/1(physics)
+            - cardSeq:
+            - cardPass:
+            - securityCode:
+            - httpAccept: use when enable 3DS.
+            - httpUserAgent: use when enable 3DS.
+            - deviceCategory: 0(PC)/1(携帯装置). use when enable 3DS
+            - clientField1: free field.
+            - clientField2: free field.
+            - clientField3: free field.
+            - clientFieldFlag: if returns back. 0(no)/1(yes)
+
+        Returns:
+
+        when not use 3DS:
+            - ACS: value 0.
+            - OrderID:
+            - Forward:
+            - Method:
+            - PayTimes:
+            - Approve:
+            - TranID:
+            - TranDate:
+            - CheckString:
+            - ClientField1:
+            - ClientField2:
+            - ClientField3:
+            - ErrCode:
+            - ErrInfo:
+
+        when use 3DS 1.0:
+            - ACS: value 1.
+            - ACSUrl:
+            - PaReq:
+            - MD:
+            - ErrCode:
+            - ErrInfo:
+
+        when use 3DS 2.0:
+            - ACS: value 2.
+            - RedirectUrl:
+            - ErrCode:
+            - ErrInfo:
+        """
+        url = self.base_url + EXEC_TRAN_PATH
+        data = {
+            'AccessID': accessId, 
+            'AccessPass': accessPass, 
+            'OrderID': orderId,
+            'Method': method,
+            'PayTimes': payTimes,
+            'SiteID': siteId,
+            'SitePass': sitePass,
+            'MemberID': memberId,
+            'SeqMode': seqMode,
+            'CardSeq': cardSeq,
+            'CardPass': cardPass,
+            'SecurityCode': securityCode,
+            'HttpAccept': httpAccept,
+            'HttpUserAgent': httpUserAgent,
+            'DeviceCategory': deviceCategory,
+            'ClientField1': clientField1,
+            'ClientField2': clientField2,
+            'ClientField3': clientField3,
+        }
+        return serialize_response(requests.post(url, data=data))
+
+    def execute_transaction_after_3ds1(self, paRes, md):
+        """
+        Execute transaction after 3DS 1.0 verification
+
+        Args:
+            - paRes: returned by 3DS 1.0 screen.
+            - md: returned by 3DS 1.0 screen.
+        
+        Returns:
+            - OrderID:
+            - Forward:
+            - Method:
+            - PayTimes:
+            - Approve
+            - TranID
+            - TranDate
+            - CheckString
+            - ClientField1:
+            - ClientField2:
+            - ClientField3:
+            - ErrCode:
+            - ErrInfo:
+        """
+        url = self.base_url + SECURE_TRAN_PATH
+        data = {
+            'PaRes': paRes,
+            'MD': md,
+        }
+        return serialize_response(requests.post(url, data=data))
+
+    def execute_transaction_after_3ds2(self, accessId, accessPass):
+        """
+        Execute transation after 3DS 2.0 verification.
+
+        Args:
+            - accessId:
+            - accessPass:
+        
+        Returns:
+            - OrderID:
+            - Forward:
+            - Method:
+            - PayTimes:
+            - Approve
+            - TranID
+            - TranDate
+            - CheckString
+            - ClientField1:
+            - ClientField2:
+            - ClientField3:
+            - ErrCode:
+            - ErrInfo:
+        """
+        url = self.base_url + SECURE_TRAN2_PATH
+        data = {
+            'AccessID': accessId,
+            'AccessPass': accessPass,
+        }
+        return serialize_response(requests.post(url, data=data))
+
+    def modify_transaction(self, shopId, shopPass, accessId, accessPass, jobCd, amount, tax, method, payTimes):
+        url = self.base_url + ALTER_TRAN_PATH
+        data = {
+            'ShopID': shopId,
+            'ShopPass': shopPass,
+            'AccessID': accessId,
+            'AccessPass': accessPass,
+            'JobCd': jobCd,
+            'Amount': amount,
+            'Tax': tax,
+            'Method': method,
+            'PayTimes': payTimes,
+        }
+        return serialize_response(requests.post(url, data=data))
+
+    def modify_transaction_amount(self, shopId, shopPass, accessId, accessPass, jobCd, amount, tax):
+        url = self.base_url + CHANGE_TRAN_PATH
+        data = {
+            'ShopID': shopId,
+            'ShopPass': shopPass,
+            'AccessID': accessId,
+            'AccessPass': accessPass,
+            'JobCd': jobCd,
+            'Amount': amount,
+            'Tax': tax,
+        }
+        return serialize_response(requests.post(url, data=data))
+
+    def search_transaction(self, shopId, shopPass, orderId, useSiteMaskLevel, useFloatinMask):
+        url = self.base_url + SEARCH_TRADE_PATH
+        data = {
+            'ShopID': shopId,
+            'ShopPass': shopPass,
+            'OrderID': orderId,
+            'UseSiteMaskLevel': useSiteMaskLevel,
+            'UseFloatMask': useFloatinMask,
+        }
+        return serialize_response(requests.post(url, data=data))
diff --git a/test/test_smbc_gp_client.py b/test/test_smbc_gp_client.py
new file mode 100644
index 0000000..18bcf84
--- /dev/null
+++ b/test/test_smbc_gp_client.py
@@ -0,0 +1,18 @@
+import os
+import sys
+sys.path.append("..")
+from smbc_gp_client.smbc_gp_client import SmbcGpClient
+import requests
+# from smbc_gp_client.smbc_gp_client import SmbcGpClient
+
+SHOP_ID = os.environ['SMBC_SHOP_ID']
+SHOP_PASS = os.environ['SMBC_SHOP_PASS']
+
+client = SmbcGpClient("https://pt01.smbc-gp.co.jp/payment")
+r = client.create_transaction(
+    shopId=SHOP_ID, shopPass=SHOP_PASS, orderId="order003", 
+    jobCd="AUTH", itemCode="0000990", 
+    amount=10, tax=1, tdFlag=0, 
+    tdTenantName="123", tds2Type=1, tdRequired=0
+    )
+print(r)