Can we get some clarification from Pandora if blocking third-party clients was intentional or not? As far as, "Pithos is an unauthorized third-party application, and using it is a violation of our Terms of Use.", then what's the purpose of https://developer.pandora.com/docs/overview/introduction/ ? > As a developer you want to know all the ways your app can interact with Pandora, not only finding and playing music, but also what the full set of API services are and what they can offer. And you want to learn to do this as quickly as possible. > The Pandora developer portal is a platform which contains all the necessary documentation, tools, and services needed to get an approved developer set up to start building their app, interacting with Pandora’s rich resources of music and metadata by employing an exciting array of API services. You explicitly support third-party developers to interact with Pandora via API, so I don't see how they can be a violation of the Terms of Service. ... View more