# Work with offers using the AWS Marketplace APIs
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An offer defines the terms and rules governing the purchase and consumption of a product. It encompasses a collection of agreement terms between two parties. The accepted offer terms are then translated into an agreement, serving as proof of the transaction.

The following sections provide information on how to manage offers as a seller or channel partner.

**Topics**
+ [Work with private offers using the AWS Marketplace APIs](work-with-private-offers.md)
+ [Work with resale authorizations using the AWS Marketplace APIs](work-with-resale-authorizations.md)
+ [Work with channel partner private offers using the AWS Marketplace APIs](work-with-cppos.md)
+ [Work with renewals](work-with-renewals.md)