marketplaces entegration with asp.net

1- There will have order management section,it will connect to [login to view URL],[login to view URL], [login to view URL] Marketplaces api and our b2b and b2c websites api(we will provide api information and english userguide)pick up orders information and list in order management section then send this data to our erp software’s mssql database and create customer information and orders(there should have user interface which put new api information which come from these website when we open new shop,no matter how many shop we open ,we should put these shops api information on user interface and erp system database information),in order management list there will filters with order date (between dates),customer names,order number,shopname vs. 2- There will be user manage section ,it can resrict user use which sections，add new user and delete new user 3- we create one new product listing ,that listing can list on [login to view URL],[login to view URL],[login to view URL] marketplaces,our b2b and b2c websites and our facebook shop,and we can see all our listing with details on user interface 4- When all cargo which ordered on [login to view URL],[login to view URL],[login to view URL] marketplaces,our b2b and b2c websites send out, it will pick up cargo tracking number from Cargo company api and send to update Cargo information on these marketplaces apis,there have to sections to enter Cargo company api informations 5- All messages which on these marketplaces and website,no matter how many shop , put all messages on same user interface with Marketplace-shopname style ,we can answer and read all messages on one user interface,then there should have some prepared one click send messages template,this way we can easily answer most of messages such as “where is my shipment”,also there will have categories section which can categorize all message 6- Product management we can add products ,manage products ,filters [login to view URL] products,and can choose to sell product on which Marketplace 7- We can check order payment receive from marketplaces and there should have a interface to controll this ,list for more details please dont hesitate to contact me please do not bid price irresponsibly