List historical forex prices

Return the historical exchange rates for one currency pair as a cursor-paginated series of daily open, high, low, and close quotes. Each rate is the price of one base-currency unit in quote-currency units, so for EURUSD a close of 1.1369 means one euro costs 1.1369 US dollars.

GET/v3.0.0/forex-prices/{identifier}

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Request
curl "https://api.roic.ai/v3.0.0/forex-prices/EURUSD?apikey=YOUR_API_KEY&date.gte=2025-01-01&date.lt=2026-01-01&order=asc"
Response
200 OK
{
  "data": [
    {
      "date": "2026-07-27",
      "open": 1.1386,
      "high": 1.14183,
      "low": 1.1367,
      "close": 1.1369
    }
  ],
  "symbol": "FX:EURUSD",
  "next_page_url": null,
  "previous_page_url": null
}

Parameters

Path parameters

identifierstringrequired

A pair code as BASEQUOTE or BASE/QUOTE, or a qualified pair symbol. The symbol of every List forex pairs result is accepted here.

Examples: EURUSDEUR/USDFX:EURUSD

Query parameters

datestringoptional

Pass a YYYY-MM-DD date directly for an exact quote-date match. For a range, combine the modifiers below, for example, date.gte=2025-01-01&date.lt=2026-01-01.

+ Show filter modifiers
date.gtestring

Return quotes whose date is greater than or equal to the given date.

date.gtstring

Return quotes whose date is strictly greater than the given date.

date.ltestring

Return quotes whose date is less than or equal to the given date.

date.ltstring

Return quotes whose date is strictly less than the given date.

orderstringoptional

Sort by quote date (date).

Default: descValues: ascdesc
limitintegeroptional

Maximum number of resources to return.

Default: 250Min: 1Max: 1000
pagestringoptional

Token to request the next page of data. Each response returns ready-made next_page_url and previous_page_url (null on the last and first page, respectively) that repeat your filters with this token. They are relative and carry no credentials: prefix the API host and pass apikey separately, or keep sending your Authorization header.

Response

A page covers one currency pair, so the response states symbol once on the envelope, next to the page URLs, and each item in data is one daily quote identified by its date. symbol is present even when data is empty.

Results sort by quote date in descending order by default; pass order=asc for oldest first. open, high, and low can be null when the source publishes only a closing rate, but close is always present.

Rates are expressed in the pair's quote currency, which is the second half of symbol: for FX:EURUSD the values are US dollars per euro.

The most recent quote day can still be in progress, in which case its values can change before the day closes.

Response fields

dataarray of objects

Array of daily forex quote resources for the current page.

+ Show child attributes
datestring

The quote day the prices refer to, in YYYY-MM-DD format.

opennumber

First exchange rate of the quote day, in quote-currency units per one base-currency unit. null when the source provides no opening rate.

highnumber

Highest exchange rate of the quote day. null when the source provides no high.

lownumber

Lowest exchange rate of the quote day. null when the source provides no low.

closenumber

Last exchange rate of the quote day. This is the field to use for a single daily rate, and it is always present.

symbolstring

Qualified pair symbol every quote in data belongs to, e.g. FX:EURUSD. A page covers one pair, so the symbol is stated once here instead of on every quote. Present even when data is empty.

next_page_urlnullable

URL of the next page of results, or null when there are no more pages. Request it unchanged to continue paging.

previous_page_urlnullable

URL of the previous page of results, or null on the first page.

Examples

Combine the filters below to answer common questions. Each request is runnable.

The most recent daily rates for one pair:

curl "https://api.roic.ai/v3.0.0/forex-prices/EURUSD?apikey=YOUR_API_KEY&order=desc&limit=10"

The rate on one exact date:

curl "https://api.roic.ai/v3.0.0/forex-prices/EURUSD?apikey=YOUR_API_KEY&date=2026-07-27"

One year of rates in ascending date order, using a date.gte=2025-01-01 lower bound and a date.lt=2026-01-01 upper bound:

curl "https://api.roic.ai/v3.0.0/forex-prices/EURUSD?apikey=YOUR_API_KEY&date.gte=2025-01-01&date.lt=2026-01-01&order=asc"

The same series addressed by qualified pair symbol instead of the bare code:

curl "https://api.roic.ai/v3.0.0/forex-prices/FX:EURUSD?apikey=YOUR_API_KEY&limit=30"