An important part of managing APIs in Azure API Management is to govern their usage. In some cases, an API will be open for the public and can be called by anyone and from any client without any restrictions, like the original Demo Conference API that you imported early on. In other cases, you might want to be specific about who can call what API. This is where subscriptions come into play.
Subscriptions describe the APIs that a user can call by including a subscription key in the request. Furthermore, subscription keys can ...
