Amazon’s Product Advertising API: The Access Problem Amazon’s Product Advertising API (PA-API 5.0) is powerful — when you can use it. The catch? You need an active Amazon Associates account with at least 3 qualifying sales in the past 30 days just to maintain access. For new developers, researchers, and startups building price comparison tools or product databases, this creates a chicken-and-egg problem: you need the API to build your product, but you need sales (from a product you haven’t built