{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://api.stigg.io/schemas/coupon",
  "title": "Coupon",
  "description": "A Stigg coupon providing a percentage or fixed discount on a subscription or customer account.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique coupon identifier."
    },
    "name": {
      "type": ["string", "null"],
      "description": "Coupon display name."
    },
    "discountValue": {
      "type": "number",
      "description": "The discount amount or percentage value."
    },
    "discountType": {
      "type": "string",
      "enum": ["PERCENTAGE", "FIXED"],
      "description": "Whether the discount is a percentage or fixed monetary amount."
    },
    "currency": {
      "type": ["string", "null"],
      "description": "Currency code for fixed-amount coupons (e.g., usd)."
    },
    "maxRedemptions": {
      "type": ["integer", "null"],
      "description": "Maximum number of times this coupon can be redeemed. Null means unlimited."
    },
    "redemptionsCount": {
      "type": "integer",
      "description": "Number of times this coupon has been redeemed."
    },
    "isArchived": {
      "type": "boolean",
      "description": "Whether this coupon is archived and no longer usable."
    },
    "createdAt": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp of when the coupon was created."
    },
    "updatedAt": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp of when the coupon was last updated."
    }
  },
  "required": ["id", "discountValue", "discountType", "redemptionsCount", "isArchived", "createdAt", "updatedAt"]
}