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ECB Euro FX Reference Rates and Conversion
x402
ECB Euro FX Reference Rates and Conversion is a paid API for AI agents from ecb-fx-production.up.railway.app, paid per call via x402, $0.004/call, status unknown (last checked 2026-10-30).
Fetches official ECB euro foreign exchange reference rates for ~30 currencies and converts amounts between currencies for any business day since 1999.
Price / call$0.004
Success—
StatusUnknown
How this service works
Official ECB euro foreign exchange reference rates (about 30 currencies) for the latest business day or any date since 1999, with base-currency cross rates and amount conversion. Returns the ECB reference date used (previous business day if none that day), the raw EUR rates and a source link. Use when you need an official, citable exchange rate (ECB euro reference rate) for invoicing, accounting, VAT/tax returns or reporting, for today or any business day since 1999.
Output
Returns a JSON object with: the base currency, the ECB reference date used (previous business day if the requested date had no ECB rate), raw ECB EUR-based rates for requested currencies, converted amounts at the specified amount, and a link to the official ECB source page. Also includes legal terms and a usage guidance field.
Example use cases
VAT return exchange rate lookup
“I need the official ECB euro reference rate for USD on March 31 2025 to fill out my quarterly VAT return — can you get that and also convert 8500 EUR to USD at that rate?”
Multi-currency invoice conversion
“I'm invoicing a client for 2500 EUR and need the official ECB reference rates for GBP, CHF, and SEK as of today so I can show the equivalent amounts on the invoice.”
Historical FX rate audit
“Can you pull the official ECB euro to Japanese yen reference rate for June 15 2022? I need a citable rate for an accounting audit.”
Technical details
Endpoint
GEThttps://ecb-fx-production.up.railway.app/v1/fx/rates?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need an official, auditable, citable exchange rate specifically from the European Central Bank — ideal for legal, accounting, tax, VAT, invoicing, or regulatory reporting contexts where ECB rates are required or preferred. Use when you need historical rates back to 1999 or when EUR is the base currency. Prefer over commercial FX APIs when official provenance and a source citation are required.
Side effects
- Requested date is a weekend or holiday — endpoint returns the previous ECB business day's rate instead
- Unsupported or misspelled currency symbol returns an error or omits the currency from results
- Dates before 1999 are out of range and will not return data
- Network or upstream ECB data unavailability may cause transient failures
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"base": "EUR",
"legal": {
"terms": "https://ecb-fx-production.up.railway.app/terms",
"privacy": "https://ecb-fx-production.up.railway.app/privacy"
},
"rates": {
"DKK": 7.4608,
"GBP": 0.8431,
"USD": 1.0712
},
"amount": 1,
"status": "ok",
"use_when": "Use when you need an official, citable exchange rate (ECB euro reference rate) for invoicing, accounting, VAT/tax returns or reporting, for today or any business day since 1999.",
"converted": {
"DKK": 7.4608,
"GBP": 0.8431,
"USD": 1.0712
},
"source_link": "https://www.ecb.europa.eu/stats/policy_and_exchange_rates/euro_reference_exchange_rates/html/index.en.html",
"ecb_eur_rates": {
"DKK": 7.4608,
"GBP": 0.8431,
"USD": 1.0712
},
"reference_date": "2026-10-16",
"requested_date": "latest"
}
}Tags
x402
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