curl "https://api2.ecomailapp.cz/pipelines/42/actions" \
  -H "key: YOUR_API_KEY" \
  -H "Content-Type: application/json"

{
  "data": [
    {
      "id": "abc-123",
      "type": "mail",
      "properties": {
        "name": "Welcome email",
        "template": 42
      }
    },
    {
      "id": "def-456",
      "type": "wait",
      "properties": {
        "days": 3
      }
    },
    {
      "id": "ghi-789",
      "type": "tag",
      "properties": {
        "tag": "engaged"
      }
    }
  ]
}