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CIEL M2M API – FX Historical Exchange Rates
x402
CIEL M2M API – FX Historical Exchange Rates is a paid API for AI agents from 169.58.38.67.sslip.io, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-18).
Retrieves historical foreign exchange rate data for a given currency pair and date range
Price / call$0.02
Success—
StatusUnknown
How this service works
50+ micro-services for AI agents: data parsing, crypto analytics, security scanning, code tools, and more. Pay per call via x402 (USDC on Base) or RapidAPI subscription.
Output
Returns a JSON object containing historical FX rate data, typically including date-indexed exchange rate values for the requested currency pair over the specified time period.
Example use cases
Quarterly FX reporting for finance team
“Pull the daily USD to GBP exchange rates for all of Q1 2024 — I need to reconcile our UK revenue figures in dollars for the quarterly report.”
Backtesting a currency trading strategy
“Get me the historical EUR to JPY rates for every day in 2023 so I can backtest my forex trading signals against actual market data.”
Accounting reconciliation for past invoices
“What was the CAD to USD exchange rate on October 15, 2023? I need to convert a Canadian invoice to US dollars for our books.”
Technical details
Endpoint
GEThttps://169.58.38.67.sslip.io/api/fx-historicalWhen to prefer
Choose this endpoint when you need historical (past) FX rate data for a specific currency pair, particularly in a pay-per-call context without a subscription commitment. Well-suited for agents performing financial reconciliation, backtesting, or one-off date lookups where a full forex data subscription would be overkill.
Side effects
- Invalid or unsupported currency pair returns an error or empty result
- Date range out of bounds or future dates may return no data
- Malformed query parameters result in a 400-level error
- Payment failure via x402/USDC results in 402 Payment Required before data is returned
- Rate limiting or quota exhaustion may return a 429 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"result": "data"
}
}Tags
x402
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