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CertainData FX Rate (ECB Mid-Market)
x402
CertainData FX Rate (ECB Mid-Market) is a paid API for AI agents from api.certaindata.ai, paid per call via x402, $0.007/call, status unknown (last checked 2026-09-13).
Returns the European Central Bank mid-market reference rate for a given base/quote currency pair, either the latest or a historical date.
Price / call$0.007
Success—
StatusUnknown
How this service works
Mid-market reference rate for a base/quote currency pair, from the European Central Bank.
Output
Returns the mid-market FX rate sourced from the European Central Bank for the specified base/quote currency pair, either the latest available or for the requested historical date.
Example use cases
Example prompt
“What is the ECB mid-market reference rate for EUR to USD today? Also, what was it on 2024-06-01?”
Technical details
Endpoint
GEThttps://api.certaindata.ai/ca054d66abad4d6ea80ba43013b61743-cd/fx-rate/fx/:base/:quoteWhen to prefer
Choose this endpoint when you need an authoritative, ECB-sourced mid-market exchange rate for compliance, accounting, reporting, or financial applications that require an official reference rate rather than a live market rate. Ideal for EUR-centric pairs and historical lookups aligned to ECB publication dates.
Side effects
- Invalid or unsupported currency ISO code returns an error
- Date out of ECB historical range returns no data or error
- Weekend/holiday dates may return the last available business day rate or an error
- Missing required path parameters (base or quote) returns a 400/422 error
- Network or upstream ECB data availability issues may cause 5xx errors
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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