curl --location --request GET 'https://api.staging.deliverect.com/allAllergens'
[
  {
    "name": "Alcohol",
    "allergenId": 1
  },
  {
    "name": "Halal",
    "allergenId": 2
  },
  {
    "name": "Kosher",
    "allergenId": 3
  },
  {
    "name": "Vegan",
    "allergenId": 4
  },
  {
    "name": "Vegetarian",
    "allergenId": 5
  }
]

This allows a channel to retrieve allergens and tags that exist in Deliverect.