It’s Amazon’s business credit line that allows companies to make purchases without having to pay their Amazon invoice for at least 30 days. Membership fees start at $69/$179 per year for their Duo or Essentials plans which come with Net 30 invoicing.
Their Small/Medium plans ($499/$1,299/yr) offer Net 45 payment terms along with access to Amazon ERP and Sage Intact. Finally, their Amazon Enterprise plan costs $10,099 per year and comes Net 60 terms and optimal deployment functionality for 100+ users.