Currency Converter · GPT アクション

{
  "openapi": "3.0.3",
  "info": {
    "title": "Currency Conversion API",
    "description": "This API returns real-time exchange rate and converted amount for currency pairs including forex and cryptocurrency.",
    "version": "1.0.0"
  },
  "servers": [
    {
      "url": "https://api.twelvedata.com"
    }
  ],
  "paths": {
    "/currency_conversion": {
      "get": {
        "summary": "Convert Currency",
        "description": "Get real-time exchange rate and converted amount for a specified currency pair.",
        "operationId": "convertCurrency",
        "parameters": [
          {
            "name": "symbol",
            "in": "query",
            "description": "Currency pair to convert, e.g., EUR/USD or BTC/ETH.",
            "required": true,
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "amount",
            "in": "query",
            "description": "Amount of base currency to be converted.",
            "required": true,
            "schema": {
              "type": "number"
            }
          },
          {
            "name": "date",
            "in": "query",
            "description": "Exchange rate date in YYYY-MM-DD or YYYY-MM-DD HH:MM:SS format.",
            "required": false,
            "schema": {
              "type": "string",
              "format": "date-time"
            }
          },
          {
            "name": "format",
            "in": "query",
            "description": "Response format, either JSON or CSV. Default is JSON.",
            "required": false,
            "schema": {
              "type": "string",
              "enum": [
                "JSON",
                "CSV"
              ]
            }
          },
          {
            "name": "delimiter",
            "in": "query",
            "description": "Delimiter for CSV format. Default is semicolon (;).",
            "required": false,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "symbol": {
                      "type": "string",
                      "example": "USD/JPY"
                    },
                    "rate": {
                      "type": "number",
                      "example": 105.12
                    },
                    "amount": {
                      "type": "number",
                      "example": 12824.64
                    },
                    "timestamp": {
                      "type": "integer",
                      "format": "int64",
                      "example": 1602714051
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}