curl --request POST \
  --url https://api.hubapi.com/automation/v3/workflows \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "Test Workflow",
  "type": "DRIP_DELAY",
  "onlyEnrollsManually": true,
  "actions": [
    {
      "type": "DELAY",
      "delayMillis": 3600000
    },
    {
      "newValue": "HubSpot",
      "propertyName": "company",
      "type": "SET_CONTACT_PROPERTY"
    },
    {
      "type": "WEBHOOK",
      "url": "https://www.myintegration.com/webhook.php",
      "method": "POST",
      "authCreds": {
        "user": "user",
        "password": "password"
      }
    }
  ]
}
'