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FXRate History by YourAITools
x402
FXRate History by YourAITools is a paid API for AI agents from api.youraitools.co, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-25).
Returns daily ECB reference rates for a currency pair over a date range (up to 366 days, back to 1999), including time-series data points and summary statistics.
Price / call$0.002
Success—
StatusUnknown
How this service works
Historical exchange rate API for AI agents. Daily ECB reference rates for one currency pair between two dates (up to 366 days, back to 1999), with first, last, min, max and percent change. Search intents: historical exchange rates api, fx time series, currency history, eur usd chart data, forex history.
Output
A JSON object containing the base and quote currency codes, the requested date range, an array of daily {date, rate} data points (business days only per ECB), and a stats block with first, last, min, max, and change_pct (percent change from first to last). Also includes the data source attribution (ECB via Frankfurter).
Example use cases
Quarterly FX performance report
“Get me the daily GBP to USD exchange rates for all of Q3 2024 — from July 1 to September 30 — and give me the high, low, opening and closing rates plus how much it moved in percent.”
Year-over-year currency comparison
“What were the daily JPY to EUR rates throughout 2023? I need the full time series from January 1 2023 to December 31 2023, along with the min, max, and overall percent change.”
Recent currency volatility check
“Show me the USD to CHF exchange rate history for the past 30 days — roughly from June 1 to July 1 2025 — and tell me how much the rate swung between the high and the low.”
Technical details
Endpoint
GEThttps://api.youraitools.co/fx/v1/history?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need historical ECB daily reference rates for a specific currency pair over a defined date window, especially when you also need summary statistics (first, last, min, max, percent change) computed server-side. It is ideal for trend analysis, reporting, or charting up to a year of FX history. Prefer alternatives if you need real-time live rates, intraday tick data, rates for currencies outside the 31 ECB-supported ones, or multi-pair batch queries in a single call.
Side effects
- Missing required parameters (base, quote, start) returns a 4xx error
- Date range exceeding 366 days returns an error
- Unsupported currency codes (outside the 31 ECB-supported currencies) return an error
- Start date before 1999 (ECB data inception) may return empty or error
- Weekend/holiday dates return no data points for those days (ECB only publishes on business days)
- Network or upstream Frankfurter API outage may cause 5xx responses
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"end": "2026-10-23",
"base": "EUR",
"count": 17,
"quote": "USD",
"start": "2026-10-01",
"stats": {
"max": 1.1298,
"min": 1.1172,
"last": 1.1193,
"first": 1.1298,
"change_pct": -0.93
},
"points": [
{
"date": "2026-10-01",
"rate": 1.1298
},
{
"date": "2026-10-02",
"rate": 1.1225
},
{
"date": "2026-10-23",
"rate": 1.1193
}
],
"source": "Source: ECB statistics (euro foreign exchange reference rates), via the open-source Frankfurter API."
}
}Tags
x402
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