{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/bank",
  "title": "Bank Account",
  "type": "object",
  "additionalProperties": false,
  "description": "The bank account information.",
  "properties": {
    "nick_name": {
      "type": "string",
      "description": "The user-provided short name for the user's bank account.",
      "minLength": 1,
      "maxLength": 50,
      "pattern": "^[0-9A-Za-z_-]+$"
    },
    "account_number": {
      "type": "string",
      "description": "The bank account number.",
      "pattern": "\\d+",
      "minLength": 1,
      "maxLength": 50
    },
    "account_type": {
      "type": "string",
      "description": "The type of bank account.",
      "minLength": 1,
      "maxLength": 50,
      "pattern": "^[0-9A-Z_]+$",
      "enum": [
        "CHECKING",
        "SAVINGS"
      ]
    },
    "currency_code": {
      "description": "The primary currency code of the bank account.",
      "$ref": "#/components/schemas/currency_code"
    },
    "identifiers": {
      "type": "array",
      "description": "An array of instrument institute attributes. Used with the account number to uniquely identify the instrument. Value is:<ul><li>For banks with IBAN information, the IBAN number.</li><li>For banks with BBAN information, the BBAN number.</li><li>For banks with both IBAN and BBAN information, the IBAN number.</li></ul>",
      "items": {
        "$ref": "#/components/schemas/identifier"
      },
      "minItems": 0,
      "maxItems": 20
    },
    "branch_location": {
      "description": "The branch location, if applicable.",
      "$ref": "#/components/schemas/address_portable-2"
    },
    "mandate": {
      "description": "Mandate for this bank account.",
      "$ref": "#/components/schemas/mandate"
    }
  },
  "required": [
    "account_number",
    "account_type"
  ]
}