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This guide shows you how to register your own app with Amazon Selling Partner to obtain your OAuth credentials (client id & secret). These are required to let your users grant your app access to their Amazon Selling Partner account.
1

Sign in to the Solution Provider Portal

Sign in to the Solution Provider Portal using your developer credentials.
2

Navigate to Develop Apps

On the top navigation, select Develop Apps.
To locate Develop Apps in Seller Central or Vendor Central:
  • Seller Central: Sign in for your marketplace and navigate to Apps and Services → Develop Apps.
  • Vendor Central: Sign in for your marketplace and navigate to Integration → API Integration.
3

Create a new app client

On the Developer Central page, select Add new app client and complete the form.If a Sellers check box and a Vendors check box appear after you choose the API type, select Sellers, Vendors, or both — depending on the type of selling partner your application supports. The roles you can apply for depend on your selection.
4

Get your credentials

Copy your LWA Client ID and LWA Client Secret from the app’s LWA credentials section. Enter these when configuring the integration in Nango.
5

Next

Follow the Quickstart to connect your first account.
For more details, see Amazon’s SP-API application registration documentation.