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ECB Currency Converter (Multi-Target)
x402
ECB Currency Converter (Multi-Target) is a paid API for AI agents from agents.crowdspark.me, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-31).
Converts a monetary amount from one source currency into up to 10 target currencies using European Central Bank exchange rates, returning rounded amounts, rates, inverse rates, and 7-day change percentages.
Price / call$0.002
Success—
StatusUnknown
How this service works
Pay-per-call utilities for AI agents over x402, USDC on Base.
Output
A JSON object containing the source currency, original amount, rate date, data source label, and an array of conversion results — each with the target currency code, converted and rounded amount, exchange rate, inverse rate, and the 7-day percentage change in the rate. Also includes the reference date used for the 7-day comparison.
Example use cases
Multi-currency invoice for international clients
“I'm sending invoices to clients in Germany, Japan, and the UK — can you convert $8,500 USD into EUR, JPY, and GBP using today's ECB rates so I can fill in the local amounts?”
Budget localization for a travel proposal
“We're preparing a travel budget of 25,000 USD and need it converted into EUR, CHF, CAD, AUD, and MXN — include the 7-day rate change so we know if now is a good time to exchange.”
Historical FX rate lookup for accounting
“What was the ECB exchange rate for 3,000 GBP into USD and EUR on 2024-03-15? I need the exact figures for our quarterly accounting reconciliation.”
Technical details
Endpoint
GEThttps://agents.crowdspark.me/v1/fx/convert?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need ECB-sourced exchange rates for invoicing, quoting, or budgeting purposes — especially when converting one amount into multiple currencies simultaneously and needing 7-day trend data. It is ideal for financial document workflows where ECB rates are the standard reference. Prefer it over generic FX APIs when you need multi-target batch conversion in a single call, official central bank rates, or historical rates for a specific past date.
Side effects
- Unsupported currency code returns an error or empty conversion
- Date outside ECB historical data range returns an error
- More than 10 target currencies provided may be rejected
- Invalid amount format (non-numeric string) causes a bad request
- Weekend or holiday dates may return rates from the last available trading day
- Network timeout if ECB/Frankfurter upstream is unavailable
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"from": "USD",
"amount": 1250,
"source": "European Central Bank via Frankfurter",
"rate_date": "2026-10-27",
"conversions": [
{
"rate": 0.89686,
"currency": "EUR",
"converted": 1121.08,
"inverse_rate": 1.115,
"change_7d_pct": 0.925
}
],
"change_7d_reference_date": "2026-10-20"
}
}Tags
x402
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