{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/abstract-api/refs/heads/main/json-structure/exchange-rates-historical-rates-response-structure.json",
  "name": "HistoricalRatesResponse",
  "description": "HistoricalRatesResponse schema from Abstract API exchange-rates",
  "type": "object",
  "properties": {
    "base": {
      "type": "string",
      "description": "Base currency code",
      "example": "USD"
    },
    "date": {
      "type": "date",
      "description": "Historical date queried",
      "example": "2026-01-01"
    },
    "exchange_rates": {
      "type": "object",
      "description": "Map of currency codes to historical exchange rates",
      "additionalProperties": {
        "type": "double"
      }
    }
  }
}