Currency Fluctuation API

{
  "startDate": "2025-01-01",
  "endDate": "2025-01-10",
  "base": "USD",
  "rateFluctuations": {
    "EUR": {
      "startRate": "0.96605",
      "endRate": "0.97620",
      "change": "-0.010150",
      "percentChange": "-1.05"
    },
    "PKR": {
      "startRate": "278.400",
      "endRate": "278.650",
      "change": "-0.25",
      "percentChange": "-0.09"
    }
  }
}