Tollkit FX Currency Converter

x402

Tollkit FX Currency Converter is a paid API for AI agents from extract.tollkit.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-10).

Converts an amount between two currency codes using European Central Bank reference rates for the latest business day or any date in the last 90 days

Price / call$0.002

Seller volume →—

Success—

StatusUnknown

How this service works

Currency conversion at European Central Bank reference rates: give two currency codes (30 supported, e.g. USD, EUR, GBP, JPY) and an amount, get the rate and converted amount for the latest business day or any day in the last 90. NOTE: these ECB reference rates are published free of charge at ecb.europa.eu; they are for information only, not for transactions. $0.001 per call; an unsupported currency is not charged.

Output

Returns the ECB reference exchange rate for the currency pair and the converted amount, anchored to the latest available business day or the specified historical date (within the last 90 days). Weekends and holidays fall back to the previous business day's rate.

Example use cases

Real-time travel budget conversion

“I'm heading to Japan next week and want to know how much 3000 GBP is worth in JPY at today's ECB reference rate.”

Historical invoice reconciliation

“Can you tell me what the ECB rate was for EUR to USD on 2025-03-15 and how much 8500 EUR would have been in dollars that day?”

Multi-currency reporting check

“I need to know the current ECB reference exchange rate from CHF to GBP for an amount of 12000 — what does that convert to?”

Technical details

Endpoint

POSThttps://extract.tollkit.dev/fx?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need authoritative, central-bank-published FX reference rates (ECB) rather than live mid-market or bank transaction rates. Ideal for compliance, reporting, or informational use cases where ECB provenance matters. It covers 30 major currencies and supports historical lookups up to 90 days back, making it suitable for invoice reconciliation, travel budget estimation, and audit trails. Not suited for live trading or transaction pricing.

Side effects

Unsupported currency code returns an error but is not charged
Date outside the 90-day window is rejected
Weekend or holiday dates are silently mapped to the prior business day
Invalid 3-letter currency pattern returns a validation error
Amount below minimum (0) is rejected by schema validation

Input

Schema · Request body

Field	Type	Description
to	string
date	string	YYYY-MM-DD within the last 90 days; weekends use the previous business day.
from	string
amount	number

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