ECB Currency Rates

x402

ECB Currency Rates is a paid API for AI agents from ca-tax-api-mainnet.lxtap.workers.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-23).

Returns European Central Bank daily foreign exchange reference rates for ~30 major currencies, from any base currency, for the latest available date or a specific past date.

Price / call$0.005

Seller volume →—

Success—

StatusUnknown

How this service works

Pay-per-call data for AI agents, paid in USDC on Base with x402: token risk checks (rug check) on Base, Ethereum, Arbitrum, Optimism, Polygon and Solana, onchain reads (balances, transactions, gas, contracts, NFTs, whale trades, new pools, ENS and Basenames), ECB exchange rates, and Canadian sales tax and business days.

Output

Returns a JSON object containing the effective date of the rates (the ECB business day they were published), the base currency used, and a map of target currency codes to their corresponding exchange rate values relative to the base.

Example use cases

Multi-currency invoice reconciliation

“I need to reconcile invoices in EUR, GBP, and CHF back to USD — can you pull the official ECB reference rates for those three currencies against USD for April 10, 2024?”

Live dashboard FX rate feed

“Fetch the latest ECB daily reference rates for all currencies with EUR as the base so I can update my finance dashboard.”

Historical rate audit for tax filing

“I need the ECB official exchange rate for CAD against EUR on December 31, 2023 for my annual tax filing.”

Technical details

Endpoint

GEThttps://ca-tax-api-mainnet.lxtap.workers.dev/fx/rates?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need official, authoritative ECB daily reference exchange rates — particularly for regulatory compliance, tax calculations, financial auditing, or any use case requiring a recognized institutional rate source. Prefer it over commercial FX APIs when official ECB rates are specifically required (e.g., EU accounting standards, VAT filings). Rates are updated once per ECB business day, so it is not suitable for real-time intraday trading data.

Side effects

Invalid currency code (not a 3-letter ISO 4217 code) returns an error or empty rates
Date falls on a weekend or ECB non-business day — no rates published, returns error or nearest available
Date too far in the past or in the future — ECB data may not be available
Unrecognized target currency in the symbols list — may be omitted from response
Network or worker outage results in a 5xx error

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "base": "USD",
    "date": "2026-10-22",
    "rates": {
      "CAD": 1.4034,
      "EUR": 0.89246,
      "GBP": 0.74761
    },
    "source": "European Central Bank reference rates via frankfurter.dev"
  }
}

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