![]() If you read the documentation on this particular function, you would notice that Content-Type is an actual value beyond supplied, as was X-Microsoft-OutputFormat. ![]() Reading down line by line, you can see this particular operation is calling for a “POST” method. X-Microsoft-OutputFormat: riff-8khz-8bit-mono-mulaw Content-Type: application/ssml+xml Host: Content-Length: 197 Authorization: Bearer Or, a more complex one would look like ` ‘Content-Type’ = ‘application/ssml+xml’ ` ‘X-Microsoft-OutputFormat’ = $AudioOutputType ` ‘X-Search-AppId’ = $XSearchAppId ` ‘X-Search-ClientId’ = $XSearchClientId ` ‘Authorization’ = $AccessToken ` }Īnother hint you can use to learn what a REST method wants will be examples of the “Responses” documented for REST API’s. When we are building values for a header in PowerShell for Invoke-RestMethod, the format will look like this for the most = ‘SomeValue’ }Īn example you will see early on is passing the header needed for the authentication component of the REST API. Knowing how these values can be consumed by Windows PowerShell, and how you can find which ones to use, are the trick to using a REST API.įor some excellent examples that we are going to work with in upcoming articles, see the Azure Cognitive Services REST API. The body could be the raw data you need sent to a Translation API. A good example of a header parameter might be the UserAgent string to identify your browser to the API. Headers and the body contain parameters and data we need to send up to the API. It could also be something like an access token, a temporary key generated initially and used for short term access uses. They would need to know who is accessing that data, as part of its control mechanism.Īuthentication could be a regular authentication pop-up for an ID and password. A weather one might be an example, since no critical data is passing over the wires.Ī REST API hosted by a Human Resources application would more than likely prefer authentication. Some REST API’s will not require authentication. ![]() Which method you use is defined by the documentation of the owner of the REST API. With REST, there are a few pretty common ones like PUT, GET, or POST. In all cases, you will be providing a “method.” This is similar to the verb in PowerShell. You also need to understand the “buzzwords” when you’re reading documentation for a REST Endpoint. Generally, when you are contacting a REST API, you will need to provide some information. It will think about that question and can return content back (if so designed). You can connect, ask it a question, and even in some cases send data. This means it shouldn’t care if there is a temporary break in the internet. What REST stands for is “Representational State Transfer.” It’s a very connectionless protocol. But that wouldn’t be a very productive use of time. You could, if you were really creative, type in everything you need to connect to one in your browser. What a “REST API” is at the most BASIC level is really just a very fancy web Endpoint. Glad to help out! I remember hearing about REST APIs the first time, thinking they might be a way to take a nap at work. Could you give me a hand getting started? I’ve been told REST API’s are all around, and this allows me to consume that data. I can see there is this cool cmdlet called Invoke-RestMethod. Summary: This post provides a quick introduction to what the REST API is, and how it applies to Windows PowerShell.
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