Various embodiments are provided for managing an adapter as a service (AaaS) in a computing environment by a processor. Accesses to one or more of a plurality of identity and access management (IAM) systems may be provided via an adapter as a service (AaaS) functioning as an exchange service between one or more users and one or more providers of a plurality of types of adapters, wherein the plurality of types of adapters in the AaaS enable provisioning and de-provisioning to one or more of the plurality of IAM systems.