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offercheck.offercheck.workers.dev/v1/fx

Convert between 30 major currencies (USD, EUR, GBP, JPY, CHF, CNY, INR, ILS, AUD, CAD, ...) using the European Central Bank's daily reference rates: rate and converted amount for one or many target currencies, optional historical date back to 1999. Returns the ECB rate date and source. $0.002 per call.

• Price $0.002
• Method GET
• Protocol x402
• Last probe 402
• Verified 2026-10-01

Call it

# 1. Ask the endpoint what it costs (no payment, no wallet needed):
curl -i -X GET 'https://offercheck.offercheck.workers.dev/v1/fx'

# -> HTTP/1.1 402 Payment Required
#    the response carries the price, asset and pay-to address.

# 2. Pay and retry with any x402 client:
npx x402-fetch 'https://offercheck.offercheck.workers.dev/v1/fx'

Endpoint: https://offercheck.offercheck.workers.dev/v1/fx. Operated by offercheck.offercheck.workers.dev, not by Animica. Price and availability were correct at the last probe on 2026-10-01 and are set by the operator, who may change them.

Other endpoints on offercheck.offercheck.workers.dev

All 5 endpoints on offercheck.offercheck.workers.dev →