An asset purchase agreement is a type of contract that pertains specifically to the sale of a business or particular business assets. What the sale includes, including all assets, equipment, etc.Key facts about business asset purchase agreement (APA) and sample template for asset sale in Florida and explanations about what should go in an APA. The most important document in an asset deal is the Asset Purchase Agreement (the "APA"). In this article, I will discuss the key provisions of an APA. All required information about the parties involved in the agreement.