The Square Mobile Authorization API enables authorization tokens to initialize Square mobile. The Mobile Authorization API accepts an account credential such as OAuth token or Personal Access Token and location ID. It returns an authorization code that custom mobile applications initialize Square mobile solutions. This is indirect access to this service. Please refer to the corresponding Square Reader SDK below. Square enables developers to build customized solutions that accept payments online, in-person, or in-app to manage products and customers. Square also builds services that support products and tools to manage finances.