Amazon SP API & Developer Account

Hi there,

I own and manage a small business that sells books. We’ve listed some of our books on Amazon Seller Central and got some orders so I’m looking to develop a small application that:

downloads new orders to our CRM updates Amazon with the order’s status as shipped provides Amazon with a tracking ID updates stock records every ~60 minutes

I’ve done this in the past with MWS and it was pretty simple but now I’m trying to do it with SP API and it’s proving a lot harder.

I *think* I need to apply for a developer account with ‘Direct-to-Consumer Delivery (Restricted)’ checked and provide a load of extra details in the application. Things like:

Describe where your organization stores Amazon Information at rest and provide details on any encryption algorithm used Describe how your organization backups or archives Amazon Information and provide details on any encryption algorithm used.

etc

Does anyone have any recent experience in this and am I doing things the right way?

It all seems a bit odd. TIA