Currencylayer Change Response

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.github.io/currencylayer/json-schema/currencylayer-change-schema.json",
  "title": "Currencylayer Change Response",
  "description": "Envelope returned by /change containing start rate, end rate, absolute change, and percentage change for each requested currency.",
  "type": "object",
  "required": ["success", "change", "start_date", "end_date", "source", "quotes"],
  "properties": {
    "success": { "type": "boolean" },
    "terms": { "type": "string", "format": "uri" },
    "privacy": { "type": "string", "format": "uri" },
    "change": { "type": "boolean" },
    "start_date": { "type": "string", "format": "date" },
    "end_date": { "type": "string", "format": "date" },
    "source": { "type": "string", "pattern": "^[A-Z]{3}$" },
    "quotes": {
      "type": "object",
      "additionalProperties": {
        "type": "object",
        "properties": {
          "start_rate": { "type": "number" },
          "end_rate": { "type": "number" },
          "change": { "type": "number" },
          "change_pct": { "type": "number" }
        }
      }
    }
  }
}