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Foreign-Exchange Reference Rates (ECB) – 30+ Currencies
x402
Foreign-Exchange Reference Rates (ECB) – 30+ Currencies is a paid API for AI agents from twin.unykorn.org, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-03).
Returns ECB foreign-exchange reference rates for 30+ currencies, optionally filtered by base currency and target symbols.
Price / call$0.001
Success—
StatusUnknown
How this service works
Foreign-exchange reference rates (ECB) for 30+ currencies — Genesis402 / UnyKorn Operator Network
Output
Returns a set of ECB official reference exchange rates keyed by currency code. Each rate represents how many units of the target currency equal one unit of the base currency. The response covers 30+ currencies sourced from the European Central Bank's published daily reference rates.
Example use cases
Multi-currency invoice pricing
“I need the ECB reference rates for EUR, GBP, and CHF right now — I'm generating invoices in those currencies and need today's official rates with USD as the base.”
Travel budget conversion
“Can you pull the ECB FX rates for JPY, MXN, and AUD versus USD so I can estimate how much my trip budget translates to in each country?”
Portfolio FX exposure snapshot
“Give me the latest ECB reference rates for EUR, GBP, SEK, NOK, and CHF versus USD — I want to see my portfolio's foreign currency exposure in dollar terms.”
Technical details
Endpoint
POSThttps://twin.unykorn.org/records/fx-rates?utm_source=zero.xyzWhen to prefer
Prefer this endpoint when you need official ECB reference rates rather than market bid/ask prices, when you need rates for a large basket of currencies in a single call, or when regulatory/compliance contexts require ECB-sourced FX data. Choose this over ticker-based crypto FX endpoints when working with fiat currencies only.
Side effects
- Invalid currency code in symbols list returns an error or omits the unknown symbol
- Unsupported base currency may return an error or default to USD
- ECB data unavailable during weekends/holidays may return stale or missing rates
- Malformed params object may result in a 400 error
- Network or upstream ECB feed outage may cause a 5xx response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| params | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"type": "fx-rates",
"receipt": {
"tx_hash": "0x<64hex>",
"amount_usd": 0.001,
"receipt_id": "g402-<16hex>"
},
"sources": [
{
"ok": true,
"name": "<source>"
}
],
"limitations": "<text>",
"generated_at": "<iso time>",
"evidence_hash": "sha256:<64hex>"
}
}Tags
x402
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