When onboarding/adding a new Amazon account the following information needs to be provided and verified:
TO BE PROVIDED
- Access API Key
- Access API Secret (password)
- Client ID (typically formatted as amzn1.application-oa2-client.CLIENT NUMBER or similar)
- Client ID Secret (password)
- Refresh token
- Role ARN (optional)
- Induction Address
TO BE VERIFIED
1) The information has been provided by an Amazon representative or fully pulled out of the Amazon Web Services portal
WARNING: This carrier is NOT suitable for Rate Shopping against other carriers, since it doesn't provide cost estimates.
WARNING: Amazon does not allow to select a service code. Amazon will determine which carrier and service will be used for each order as these are processed.
WARNING: Orders through this connection need to be shipped within the day they were processed on.
WARNING: Any missing or non-validated, incorrect setup or information will delay the setup process.

How to set up an Amazon Selling Partner Merchant Fulfillment Baseline account [Step-by-Step guide]