ripple/ripple-rest

{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "title": "Balance",
  "description": "A simplified representation of an account Balance",
  "type": "object",
  "properties": {
    "value": {
      "description": "The quantity of the currency, denoted as a string to retain floating point precision",
      "type": "string",
      "$ref": "FloatString"
    },
    "currency": {
      "description": "The currency expressed as a three-character code",
      "$ref": "Currency"
    },
    "counterparty": {
      "description": "The Ripple account address of the currency's issuer or gateway, or an empty string if the currency is XRP",
      "type": "string",
      "pattern": "^$|^r[1-9A-HJ-NP-Za-km-z]{25,33}$"
    }
  },
  "required": [ "value", "currency" ]
}