How to give PNPLINE access to Seller Central account for API Integration

In order for you to integrate your Seller Central Account to our system, you need to grant access to PNPLINE for API integration. Follow these steps:

  1. Sign up for Amazon Marketplace Web Service (MWS)
  2. Give Access to Developer
  3. Accept Amazon MWS License Agreement
  4. Share Amazon MWS Information

Sign up for Amazon Marketplace Web Service (MWS)

Go to and click on Sign up for MWS

Integrate PNPLINE B2B system with Amazon Marketplace Web Service (MWS)

Give Access to Developer

From the new page, choose the third option - I want to give a developer access to my Amazon seller account with MWS.

Fill in the following information:

Developer's Name: PNPLINE

Developer Account Number: Contact PNPLINE for this info 

When complete, click next

Give developer access to Amazon Marketplace Web Service (MWS) for 3PL integration and simplifcation

Accept Amazon MWS License Agreement

Check the two boxes in the page to state that you agree to the terms and conditions from Amazon Marketplace Web Service (Amazon WMS) and click next.

Accept MWS agreement to verify giving developer access for your Amazon selling account

Share Amazon MWS Information

Take note and e-mail the following three information to


1. Seller ID

2. Marketplace ID

3. MWS Auth Token ID

MWS authorization provides seller ID, marketplace ID & auth token to your developer for integration


And you're done! You have given PNPLINE access to your Amazon Seller Central account and integration is now complete. Your Amazon FBA shipping and logistics have just become simpler through the B2B system integration.