Use PowerShell to retrieve the access token from the EPM server so you can use it for API calls. Each call to the API endpoint requires this access token.

$body = @{
  'client_id' = '{YourClientId}'
  'client_secret' = '{YourClientSecret}'
  'grant_type' = 'password'
  'scope' = 'openid'
  'username' = '{YourEPMUser}'
  'password' = '{YourEPMUserPassword}'
}
	
$params = @{
  ContentType = 'application/x-www-form-urlencoded'
  Headers = @{'accept'='application/json'}
  Body = $body
  Method = 'Post'
  Uri = 'https://{YourEPMServer}/my.identityserver/identity/connect/token'
}
	
$token = Invoke-RestMethod @params

With the token saved, add “Bearer {$token}” to the Authorization header in your request.