dataverse_create_update_delete.ps1

$environmentUrl = "https://yourorg.crm.dynamics.com"
$accessToken = "YOUR_ACCESS_TOKEN"

$headers = @{
    Authorization      = "Bearer $accessToken"
    Accept             = "application/json"
    "Content-Type"    = "application/json"
    "OData-Version"   = "4.0"
    "OData-MaxVersion" = "4.0"
}

$createBody = @{
    name = "Contoso Example Account"
    telephone1 = "03 9000 0000"
} | ConvertTo-Json

$createResponse = Invoke-WebRequest -Method Post -Uri "$environmentUrl/api/data/v9.2/accounts" -Headers $headers -Body $createBody
$entityIdHeader = $createResponse.Headers['OData-EntityId']
$accountId = ($entityIdHeader -split '[()]')[1]
Write-Host "Created account: $accountId"

$updateBody = @{
    telephone1 = "03 9555 1234"
} | ConvertTo-Json

Invoke-RestMethod -Method Patch -Uri "$environmentUrl/api/data/v9.2/accounts($accountId)" -Headers $headers -Body $updateBody | Out-Null
Write-Host "Updated account: $accountId"

Invoke-RestMethod -Method Delete -Uri "$environmentUrl/api/data/v9.2/accounts($accountId)" -Headers $headers | Out-Null
Write-Host "Deleted account: $accountId"