{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Exchange Rate Request",
  "description": "Request a quote for converting between two currencies.",
  "type": "object",
  "properties": {
    "headers": {
      "type": "object",
      "properties": {
        "Deriv-App-ID": {
          "type": "string",
          "description": "Application identifier"
        },
        "Authorization": {
          "type": "string",
          "description": "Bearer token for authentication",
          "example": "Bearer YOUR_AUTH_TOKEN"
        }
      },
      "required": ["Deriv-App-ID", "Authorization"]
    },
    "query": {
      "type": "object",
      "properties": {
        "source_currency": {
          "type": "string",
          "pattern": "^[A-Z0-9_]{1,18}$",
          "description": "Currency to convert from.",
          "example": "USD"
        },
        "destination_currency": {
          "type": "string",
          "pattern": "^[A-Z0-9_]{1,18}$",
          "description": "Currency to convert to.",
          "example": "BTC"
        }
      },
      "required": ["source_currency", "destination_currency"]
    }
  },
  "required": ["headers", "query"]
}