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Time Series

GET /timeseries

Get daily exchange rates for every day within a specified date range. Returns a map of dates to rate objects, perfect for plotting exchange rate charts and trend lines, performing time-series analysis, or calculating moving averages. Supports filtering by base currency and target symbols to keep response sizes manageable over longer date ranges.

See it visualized
✨ Forex Tracker

Parameters

start_date required

Start date

end_date required

End date

base optional

Base currency

symbols optional

Target currencies

Example Requests

Basic usage
curl "https://nordapi.ee/api/v1/timeseries?start_date=2026-05-01&end_date=2026-05-15&base=USD&symbols=EUR"
USD/EUR rate over two weeks
curl "https://nordapi.ee/api/v1/timeseries?start_date=2026-05-01&end_date=2026-05-15&base=USD&symbols=EUR"
NOK against multiple currencies over a month
curl "https://nordapi.ee/api/v1/timeseries?start_date=2026-04-15&end_date=2026-05-15&base=NOK&symbols=SEK,DKK"
All rates for GBP over a week
curl "https://nordapi.ee/api/v1/timeseries?start_date=2026-05-17&end_date=2026-05-24&base=GBP"

Live Response 

{
  "base": "USD",
  "end_date": "2026-05-15",
  "rates": {
    "2026-05-01": {
      "EUR": 0.85455478
    },
    "2026-05-02": {
      "EUR": 0.85455478
    },
    "2026-05-03": {
      "EUR": 0.85455478
    },
    "2026-05-04": {
      "EUR": 0.85470085
    },
    "2026-05-05": {
      "EUR": 0.8557248
    },
    "2026-05-06": {
      "EUR": 0.85019554
    },
    "2026-05-07": {
      "EUR": 0.84961767
    },
    "2026-05-08": {
      "EUR": 0.85026783
    },
    "2026-05-09": {
      "EUR": 0.85026783
    },
    "2026-05-10": {
      "EUR": 0.85026783
    },
    "2026-05-11": {
      "EUR": 0.84997875
    },
    "2026-05-12": {
      "EUR": 0.85193389
    },
    "2026-05-13": {
      "EUR": 0.85360649
    },
    "2026-05-14": {
      "EUR": 0.85455478
    },
    "2026-05-15": {
      "EUR": 0.85999312
    }
  },
  "start_date": "2026-05-01",
  "success": true
}

Example Response

{"success":true,"base":"USD","rates":{"2026-05-01":{"EUR":0.92},"2026-05-02":{"EUR":0.918}}}
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