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LastLook Data FX Date Rate
x402
LastLook Data FX Date Rate is a paid API for AI agents from api.lastlookdata.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).
Returns the exchange rate for a G10 currency pair on a specific historical date
Price / call$0.01
Success—
StatusUnknown
How this service works
LastLook Data — exchange rate for a G10 currency pair on a specific date. Use ?pair=EURUSD&d=YYYY-MM-DD.
Output
A JSON object containing the exchange rate value for the specified G10 currency pair on the given date, sourced from ECB or equivalent historical FX data.
Example use cases
Reconcile foreign invoice payment
“I need to reconcile a payment we made to a supplier in euros last quarter — what was the EUR/USD rate on October 3, 2023?”
Backtest currency trading strategy
“I'm backtesting a trading strategy and need the GBP/USD exchange rate on January 10, 2022 — can you look that up for me?”
Convert historical yen expense report
“We have an expense report from a business trip to Japan in August 2023 — what was the USD/JPY rate on August 22, 2023 so I can convert the amounts?”
Technical details
Endpoint
GEThttps://api.lastlookdata.com/api/fx/dateWhen to prefer
Use this endpoint when you need the exchange rate for a specific G10 currency pair on a single past date — ideal for historical reconciliation, accounting, backtesting, or answering point-in-time FX questions. Prefer over the current-rate endpoint when the date is not today, and over the historical-series endpoint when you only need one specific date rather than a range.
Side effects
- Invalid or unsupported currency pair returns an error — only EURUSD, GBPUSD, USDJPY, USDCHF, USDCAD, AUDUSD, NZDUSD, USDSEK, USDNOK are supported
- Date outside available historical range returns no data or an error
- Malformed date format (not YYYY-MM-DD) causes a bad request
- Weekend or market holiday date may return no rate or the prior close
- Missing required query parameters (pair or d) returns a validation error
- Payment failure via x402 protocol returns 402 status
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"d": "2024-03-15",
"pair": "EURUSD"
}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"base": "EUR",
"date": "2024-03-15",
"note": "Source: Frankfurter (European Central Bank)",
"pair": "EURUSD",
"rate": 1.0892,
"label": "Euro / US Dollar",
"quote": "USD",
"service": "LastLook Data"
}Tags
x402
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