Despite being a great language, PowerShell is not impervious to errors. Errors that occur within your code can stop it’s execution or even cause unexpected changes in the resources that your script is managing. Learning to handle these errors gracefully is the foundation of defensive coding. Today, we’ll take a quick look at how PowerShell handles errors with Try-Catch-Finally blocks. They allow you to gracefully handle errors and perform cleanup operations, ensuring that your script doesn’t crash when the unexpected occurs.

This will be a short post on querying REST APIs with Powershell. It’s hard to argue that REST APIs are the predominant technology for interacting with networked services. They provide a gateway for interacting with a 3rd party (or self-hosted) product without having to go through the exercise of a more complicated integration. REST APIs communicate in a common format, typically JSON. However, most will allow us to choose the response format by specifying an option in the ‘Accept’ header.