/app/optional-features

Optional features provide additional functionality beyond the core application. They're defined in the Backstack dashboard, enforced like any other feature, and can be monetized.

if(hassAccess('add-free')) {
  // Show ad-free experience
}

List optional features

Provide a list of optional features available for the current app version and account.

GET /app/optional-features

Returns a collection list of optional features.

{
  "success": true,
  "message": "",
  "payload": [
    {
      "fee": 699,
      "title": "Ad-Free Experience",
      "description": "Remove application ads.",
      "more_info": "No banner ads|No video ads|No pop-up ads",
      "image": "",
      "id": "add-free",
      "active": true
    },
    {
      "fee": 999,
      "title": "Augmented Reality",
      "description": "AR features for an enhanced experience.",
      "more_info": "AR overlays|Interactive AR elements|AR navigation",
      "image": "",
      "id": "augmented-reality",
      "active": false
    },
    ...
  ]
}

Toggle feature activation

Toggles the optional feature active boolean value.

POST /app/optional-features
{
    "feature_id": "premium-support"
}

Returns the id and active status of the feature.

{
  "success": true,
  "message": "Premium Support feature deactivated.",
  "payload": {
    "id": "premium-support",
    "active": false
  }
}

Related information

• /account/optional-features - Show a history of optional feature activations.
• Monetization - How to charge for optional features.