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Ambolt ECB FX Rate Lookup
x402
Ambolt ECB FX Rate Lookup is a paid API for AI agents from api.ambolt.dev, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-11).
Returns European Central Bank official foreign exchange reference rates for a given base currency, date, and amount, optionally filtered to specific target currencies.
Price / call$0.003
Success—
StatusUnknown
How this service works
Pay-per-call data tools for developers and AI agents: company registers, documents, tenders, rates and on-chain facts as MCP tools, x402 endpoints and Apify Actors.
Output
A JSON object containing the base currency, the effective date of the rates (adjusted to the last ECB working day if a weekend or holiday is requested), the requested amount, a rates map of target currency codes to converted values, the fetch timestamp, and a source attribution string crediting the European Central Bank.
Example use cases
Invoice currency conversion for accounting
“I need to convert 25000 euros into USD and GBP using the official ECB rate from 2025-06-30 — can you give me those figures for our quarterly report?”
Historical FX rate audit
“What was the European Central Bank's official EUR to CHF and EUR to NOK rate on 2024-12-20? I need to reconcile some end-of-year transactions.”
Multi-currency travel budget estimate
“I'm planning a trip — can you tell me how much 2000 euros is worth in Japanese yen, Thai baht, and Australian dollars using today's ECB rates?”
Technical details
Endpoint
GEThttps://api.ambolt.dev/v1/fx-rate-ecb?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need authoritative, official ECB foreign exchange reference rates rather than real-time market rates — ideal for accounting, regulatory, and compliance use cases where ECB official rates are required. Prefer it over commercial FX APIs when you need a specific historical ECB rate by date, or when auditable, source-attributed rates matter. It supports up to 40 target currencies per call, making it efficient for multi-currency conversions.
Side effects
- Invalid base or target currency code (non-ISO 4217 three-letter code) returns a validation error
- Date too far in the past or future for which ECB data is unavailable
- Weekend or holiday date automatically falls back to the previous working day — the returned date may differ from the requested date
- More than 40 symbols requested triggers a validation error
- Payment failure (x402) if USDC balance is insufficient
- Network timeout if ECB upstream is slow
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
Schema · Response
{
"type": "json",
"example": {
"base": "EUR",
"date": "2026-10-02",
"rates": {
"DKK": 7.4736,
"USD": 1.1225
},
"amount": 1,
"source": "Source: European Central Bank euro foreign exchange reference rates, via frankfurter.dev.",
"fetchedAt": "2026-10-02T21:35:47.668Z"
}
}Tags
x402
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