Marketplace Web Services (MWS), the service that our current integration depends on, will be shut down on April 1st
https://developer-docs.amazon.com/sp-api/changelog/updates-to-mws-migration-dates
https://developer-docs.amazon.com/sp-api/docs/amazon-mws-to-sp-api-migration-guide
https://developer.amazon.com/docs/amazon-pay-checkout/version-two-migration-guide.html
https://developer.amazon.com/docs/amazon-pay-reports/migrate-from-mws.html