Or more generally contracts and regulations, yes. If you need to be registered with some regulatory authority with security audit requirements, say, in order to be able to gain access to the API, then you cannot use the API, whether you would technically be able or not.
Or more generally contracts and regulations, yes. If you need to be registered with some regulatory authority with security audit requirements, say, in order to be able to gain access to the API, then you cannot use the API, whether you would technically be able or not.