In what way can developers leverage the API developer portal?

Developers can leverage the API developer portal primarily by accessing coding samples and documentation. This resource is vital because it provides essential tools and information that developers need to effectively interact with the API. By offering a structured way to understand how to use the API through practical coding examples, the portal enables developers to learn best practices, troubleshoot issues, and accelerate their development process. The documentation includes detailed descriptions of various functions, parameters, and use cases, allowing developers to implement the API's capabilities accurately in their applications.

While the other options might seem relevant to a broader software development context, they do not directly relate to the primary purpose of an API developer portal. Purchasing software licenses and setting up billing accounts are administrative actions, while engaging in user community forums can be beneficial for obtaining peer support but is not a core feature typical of an API developer portal.