{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/Subscription",
  "title": "Subscription",
  "type": "object",
  "description": "A paid subscription associated with a member, typically managed through Stripe.",
  "properties": {
    "id": {
      "type": "string",
      "description": "Subscription identifier"
    },
    "customer": {
      "type": "object",
      "description": "Stripe customer details",
      "properties": {
        "id": {
          "type": "string",
          "description": "Stripe customer ID"
        },
        "name": {
          "type": "string",
          "description": "Customer name",
          "nullable": true
        },
        "email": {
          "type": "string",
          "format": "email",
          "description": "Customer email"
        }
      }
    },
    "status": {
      "type": "string",
      "description": "Subscription status",
      "enum": [
        "active",
        "trialing",
        "canceled",
        "unpaid",
        "past_due"
      ]
    },
    "start_date": {
      "type": "string",
      "format": "date-time",
      "description": "Subscription start date"
    },
    "default_payment_card_last4": {
      "type": "string",
      "description": "Last 4 digits of the payment card",
      "nullable": true,
      "pattern": "^\\d{4}$"
    },
    "cancel_at_period_end": {
      "type": "boolean",
      "description": "Whether the subscription cancels at period end"
    },
    "cancellation_reason": {
      "type": "string",
      "description": "Reason for cancellation",
      "nullable": true
    },
    "current_period_end": {
      "type": "string",
      "format": "date-time",
      "description": "End of current billing period"
    },
    "price": {
      "type": "object",
      "description": "Price details",
      "properties": {
        "id": {
          "type": "string",
          "description": "Stripe price ID"
        },
        "price_id": {
          "type": "string",
          "description": "Ghost price identifier"
        },
        "nickname": {
          "type": "string",
          "description": "Price nickname"
        },
        "amount": {
          "type": "integer",
          "description": "Amount in smallest currency unit",
          "minimum": 0
        },
        "interval": {
          "type": "string",
          "description": "Billing interval",
          "enum": [
            "month",
            "year"
          ]
        },
        "type": {
          "type": "string",
          "description": "Price type"
        },
        "currency": {
          "type": "string",
          "description": "ISO 4217 currency code",
          "pattern": "^[A-Z]{3}$"
        }
      }
    },
    "tier": {
      "$ref": "#/components/schemas/Tier"
    }
  }
}