FX Pair Time Series

Returns a daily time series of computed metrics for a single FX pair. Shape mirrors /api/metrics/:symbol — flat rows with metric fields merged top-level — so consumers can swap one endpoint for the other when narrowing to FX-only.

Request

curl https://api.bytetree.io/api/fx/EURUSD/series

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

# Cherry-pick fields
curl "https://api.bytetree.io/api/fx/EURUSD/series?fields=byteTrendCapr200w,trendRegimeCapr200w"

Path Parameters

Name	Type	Required	Description
`symbol`	`string`	Yes	Concatenated FX pair code (e.g. `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.
`fields`	`string`	No	Comma-separated list of metric keys to include. `date` and `close` are always returned.

Response

Field	Type	Description
`symbol`	`string`	The normalised (uppercase) symbol
`count`	`number`	Number of data points returned
`data`	`array`	Array of daily metric records, sorted ascending by date

Each record in data:

Field	Type	Description
`date`	`string`	ISO 8601 date
`close`	`number`	Close rate for the date
metric fields	various	Computed metric fields merged at the top level — see Latest Metrics for the full set and definitions

{
  "symbol": "EURUSD",
  "count": 2,
  "data": [
    {
      "date": "2026-05-04T00:00:00.000Z",
      "close": 1.16720,
      "byteTrendCapr200w": 4,
      "trendRegimeCapr200w": "Emerging Trend"
    },
    {
      "date": "2026-05-05T00:00:00.000Z",
      "close": 1.16838,
      "byteTrendCapr200w": 4,
      "trendRegimeCapr200w": "Emerging Trend"
    }
  ]
}

Notes

Without from/to, returns all available history for the pair.
For the polymorphic call that returns metrics for stocks, crypto, FX, and other types through a single path, see /api/metrics/:symbol.
For raw OHLC FX rate history (no scores or metrics), see /api/rates/:pair.