Investment Api Instrument Structure

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/upvest/refs/heads/main/json-structure/investment-api-instrument-structure.json",
  "name": "Instrument",
  "description": "A tradeable financial instrument such as a stock, ETF, or bond.",
  "type": "object",
  "properties": {
    "id": {
      "type": "uuid",
      "description": "The unique identifier of the instrument.",
      "example": "a1b2c3d4-e5f6-7890-abcd-ef1234567890"
    },
    "isin": {
      "type": "string",
      "description": "The International Securities Identification Number.",
      "pattern": "^[A-Z]{2}[A-Z0-9]{9}[0-9]$",
      "example": "DE0005140008"
    },
    "wkn": {
      "type": "string",
      "description": "The Wertpapierkennnummer (German securities ID).",
      "example": "example-value"
    },
    "name": {
      "type": "string",
      "description": "The name of the instrument.",
      "example": "Example Name"
    },
    "type": {
      "type": "string",
      "enum": [
        "EQUITY",
        "ETF",
        "BOND",
        "FUND"
      ],
      "description": "The instrument type.",
      "example": "EQUITY"
    },
    "currency": {
      "type": "string",
      "description": "The trading currency as an ISO 4217 code.",
      "pattern": "^[A-Z]{3}$",
      "example": "EUR"
    },
    "exchanges": {
      "type": "array",
      "items": {
        "type": "object",
        "description": "A securities exchange where instruments are traded.",
        "properties": {
          "id": {
            "type": "string",
            "description": "The exchange identifier.",
            "example": "a1b2c3d4-e5f6-7890-abcd-ef1234567890"
          },
          "name": {
            "type": "string",
            "description": "The exchange name.",
            "example": "Example Name"
          },
          "mic": {
            "type": "string",
            "description": "The Market Identifier Code (ISO 10383).",
            "example": "example-value"
          }
        }
      },
      "description": "Exchanges where the instrument is traded.",
      "example": [
        {
          "id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
          "name": "Example Name",
          "mic": "example-value"
        }
      ]
    },
    "tradeable": {
      "type": "boolean",
      "description": "Whether the instrument is currently tradeable.",
      "example": true
    },
    "fractional_trading_enabled": {
      "type": "boolean",
      "description": "Whether fractional shares are supported for this instrument.",
      "example": true
    }
  }
}