Pair Time Series

Returns daily OHLC data for a specific currency pair. Supports optional date range filtering.

Request

curl https://api.bytetree.io/api/rates/GBPUSD

# With date range
curl "https://api.bytetree.io/api/rates/GBPUSD?from=2026-01-01&to=2026-01-31"

Path Parameters

Name	Type	Required	Description
`pair`	`string`	Yes	Currency pair code (e.g. `GBPUSD`, `EURUSD`). Case-insensitive.

Query Parameters

Name	Type	Required	Description
`from`	`string`	No	Start date in `YYYY-MM-DD` format. Inclusive.
`to`	`string`	No	End date in `YYYY-MM-DD` format. Inclusive.
`format`	`string`	No	Response format: `json` (default), `csv`, or `toon`

Response

Field	Type	Description
`pair`	`string`	The normalised (uppercase) pair code
`count`	`number`	Number of data points returned
`data`	`array`	Array of daily OHLC objects

Each data point:

Field	Type	Description
`date`	`string`	ISO 8601 date
`open`	`number \| null`	Opening price
`high`	`number \| null`	Day high
`low`	`number \| null`	Day low
`close`	`number`	Closing price

{
  "pair": "GBPUSD",
  "count": 31,
  "data": [
    {
      "date": "2026-01-02T00:00:00.000Z",
      "open": 1.2520,
      "high": 1.2560,
      "low": 1.2510,
      "close": 1.2545
    },
    {
      "date": "2026-01-03T00:00:00.000Z",
      "open": 1.2545,
      "high": 1.2590,
      "low": 1.2535,
      "close": 1.2567
    }
  ]
}

Notes

The pair parameter is case-insensitive (gbpusd and GBPUSD both work)
Without from/to, returns all available history for the pair
Data is sorted chronologically (oldest first)
Returns an empty data array if the pair code is not found