Small Medium & Large Enterprises - Blogs


Interface to Amazon Seller Central for Online Stock updates interface to Amazon Seller Central for Online Stock updates

Today is one of the fastest growing eCommerce portal and many customers have started selling Online 2 Offline model and run the business. One of the challenges they face is the Inventory Management. The stock sold on should reflect back to the Local Inventory and reduce the same quantity so that we don’t have issues in selling for Offline mode.


For example, Alex sells PENS and has 1000 nos. only. He has a physical store where he sells regularly (offline mode) and he has a Seller Account with, where he sells the same PENS in online mode.


Now Customer A has booked 250 pens in and at the same time at brick and Mortar store, Customer B is waiting to buy 1000 Pens. How Alex has to handle this, if his centralised stock is not reduced the moment Customer A booked 250 numbers at

This is the common business problem and its been solved by’s “Amazon Inventory Integration” is an approach of synchronising inventory between Amazon seller Central and cloud ERP Software.

This total process consists of three major parts as below.

  1. Creating New Product – whenever customer creates new product in, the same product need to be created at Amazon Inventory too
  2. Updating Stock – here we synchronize stock between Inventory module and Amazon Inventory at Seller Central
  3. Updating Other Parameters – such as price, description etc.


Follow below steps to get Amazon Seller Central credentials

Before you start using for your Online Business process, you need to get the below Credentials that are required to connect customer’s Amazon inventory with These parameters decide your access to Amazon Seller central portal.

  1. Seller ID -­ is a unique id given by Amazon for each Seller.
  2. AWS Access Key ID
  3. Secret Access Key
  4. Developer ID
  5. Marketplace ID
  6. MWS Authorisation Token

Step 1:

AWS Access Key ID, Secret Access Key & Developer ID – these will get only when customer registers himself as an Developer in Seller Central Portal.

  1. Go to the User Permissionspage in Seller Central and log into your Amazon seller account as the primary user.
  2. In the Amazon MWS Developer Permissions section, click to “Register as a Developer”
  3. Choose “I will not share my Secret Key or my AWS Access Key with anyone” and then click Next.
  4. Your developer account identifier and credentials appear. You can access these at any time on the User Permissions page in Seller Central.

Step 2:

Marketplace ID & MWS Authorization Token – these are available on Amazon Marketplace Web Service or Amazon MWS site. Steps to get them are as below.

  • Visit the Amazon Marketplace Web Service (MWS). (
  • Click on ‘Sign Up for MWS’ on the Amazon MWS page

Amazon Services

  • Login with your Amazon seller account ID and password
  • Select I want to give a developer access to my Amazon seller account with MWS.’ option
  • Mention any preferable name as Developer’s Name and mention Developer ID which was generated at the time of registering as a developer.
  • Once you’re done, you will get Seller ID, Marketplace ID & MWS Authorization Token

Now logout of Amazon Seller Central.

Now you are ready to move to and set the basic parameters to connect to

Step 1: Enable E-commerce Inventory sync “Y” -> Settings admin configuration -> General settings->

Go to’s “Admin Configuration” do these settings. These are essential to tell ERP on how to interface to and enables Amazon Inventory Synchronise


Step 2. Set up Channel credential -> Settings -> E-commerce Inventory management -> Masters

Now enter the master setup data collected from Amazon Seller Central in this setup.

  1. Seller ID -­ is a unique id given by Amazon for each Seller.
  2. AWS Access Key ID
  3. Secret Access Key
  4. Developer ID
  5. Marketplace ID
  6. MWS Authorization Token

Step 3: Create custom fields for product -> Setting -> E-commerce Inventory management -> Masters

Step 4: Inventory synchronization Master -> Setting -> E-commerce Inventory management

There will be two way Synchronisation of stock need to be implemented,

  1. AcTouch to Amazon – Whenever stock increases or decreases at AcTouch Inventory, need to update back Amazon with same qty.
  2. Amazon to AcTouch – Whenever stock decreases at Amazon Inventory, need to update back at AcTouch with same qty.


Step 5: Create or update product import product -> setting -> E-commerce Inventory management -> Create / Update E-commerce Product Details

Step 6: Inventory synchronization -> setting -> E-commerce Inventory management -> Inventory management

Manual Synchronization: Here user manually initiates Synchronize Request using GUI. In some of the cases, it may be necessary for the customer to refresh the stock between ERP inventory and Amazon Inventory.

Step 7: Request of status report -> setting -> E-commerce Inventory management ->Inventory management

The status report gives an idea on when the stock was reconciled and status is updated.

Now you can start selling in Online2Offline.

Call us at +91 80 2662 9236 for any clarification or support

Nityananda Rao, (BE, PGDGM and INSEAD Alumnus), is the CEO of AcTouch Technologies with 20+ years of experience in ERP, Banking and Treasury Solutions. He is a Mechanical engineer who worked on shop-floor with CNC Machines, SP-300 like Injection Moulding machines. He is a authority on ERP and it's features. Prior to starting AcTouch Tech, he worked with Infosys, Misys, Murex etc managing APAC region as profit centre.