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WSO2 API Manager is fully open source and is released under Apache Software License Version 2.0, one of the most business-friendly licenses available today. It provides Web interfaces for development teams to deploy and monitor APIs, and for consumers to subscribe to, discover and consume APIs through a user-friendly storefront. The API Manager also provides complete API governance and shares the same metadata repository as WSO2 Governance Registry. If your setup requires to govern more than APIs, we recommend you to use WSO2 API manager for API governance and WSO2 Governance Registry for the other artefactsartifacts. That the The default communication protocol of the Key Manager is Thrift.
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