{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/tier-mobility/main/json-schema/tier-mobility-pricing-plan-schema.json",
  "title": "TIER/Dott Pricing Plan",
  "description": "A per-city, per-vehicle-type pricing plan as published in the Dott GBFS 2.3 system_pricing_plans feed.",
  "type": "object",
  "required": ["plan_id", "currency", "price", "name"],
  "properties": {
    "plan_id": {
      "type": "string",
      "description": "Stable UUID identifying the plan within the city/system."
    },
    "name": {
      "type": "string",
      "description": "Human-readable name (e.g. `berlin-scooter-system-pricing-plan`)."
    },
    "description": {
      "type": "string",
      "description": "Free-text description (typically: `Riders pay X EUR to unlock and Y EUR per minute.`)."
    },
    "currency": {
      "type": "string",
      "description": "ISO 4217 currency code (e.g. EUR, GBP, SEK, AED, ILS).",
      "minLength": 3,
      "maxLength": 3
    },
    "price": {
      "type": "number",
      "format": "float",
      "description": "Unlock price charged once per ride.",
      "minimum": 0
    },
    "is_taxable": {
      "type": "boolean",
      "description": "Whether the plan price is taxable."
    },
    "per_min_pricing": {
      "type": "array",
      "description": "Stepped per-minute pricing intervals.",
      "items": {
        "type": "object",
        "required": ["interval", "rate", "start"],
        "properties": {
          "interval": { "type": "integer", "description": "Length of each pricing step in minutes." },
          "rate": { "type": "number", "format": "float", "description": "Cost per step in the plan's currency." },
          "start": { "type": "integer", "description": "Minute at which this tier becomes active." }
        }
      }
    }
  }
}