Post to json rest API from powershell

Question

Hi can someone tell me where i'm going wrong here, i get the following error executing an API call from powershell. I have tried to format the body i many ways but cannot get it to work.

Invoke-RestMEthod : Cannot send a content-body with this verb-type.
At line:7 char:20
+ ... sponseKan = Invoke-RestMEthod -Uri $kanboardserver  -ContentType "app ...
+                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Invoke-RestMethod], ProtocolViolationException
    + FullyQualifiedErrorId : System.Net.ProtocolViolationException,Microsoft.PowerShell.Commands.InvokeRestMethodCommand

My Code;

  $headersKan = New-Object "System.Collections.Generic.Dictionary[[String],[String]]" -ErrorAction Stop
$headersKan.Add("X-API-Auth", "jsonrpc:$kanboardtoken")
$bodyKan = @{jsonrpc = "2.0"
            id = "1"
            method = "getAllProjects"
            } | ConvertTo-Json
$responseKan = Invoke-RestMEthod -Uri $kanboardserver  -ContentType "application/json"  -Headers $headersKan -Body $bodyKan -ErrorAction Stop
Write-Host $responseKan

You are not showing all the pertinent code in your post. You have variables that are not defined and not used in your post as well as variable not defined, and used in your post. For example: "jsonrpc:$kanboardtoken" and $kanboardserver. — postanote
– postanote, Commented May 26, 2018 at 23:59

pfx · Accepted Answer · 2018-05-27 00:02:32Z

3

The default http verb is GET which does not allow a body/payload. Pass POST as method argument and do not json-serialize the body yourself.

answered May 27, 2018 at 0:02

pfx

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2 Comments

Adam Parsons Over a year ago

yes - start with -Method Post tagged on to the Invoke-RestMethod cmdlet and go from there...

sodawillow Over a year ago

See here for an example

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