{"name":"onyx_fx_convert","tier":"metered","price_usdc":"0.002","endpoint":"https://onyx-actions.onrender.com/v1/onyx_fx_convert","method":"POST","input_schema":{"type":"object","properties":{"from":{"type":"string","description":"ISO-4217 source currency code"},"to":{"type":"string","description":"ISO-4217 target currency code"},"amount":{"type":"number","default":1.0}},"required":["from","to"]},"description":"Convert between any two fiat currencies (USD, EUR, GBP, JPY, BRL, USDC-equivalent, 160+ ISO-4217 codes) at the current mid-market rate. Returns both the rate and the converted amount, plus the rate's last update timestamp. Use when an agent needs to price a service in another currency, normalize multi-currency invoices, or convert x402 USDC amounts to local fiat for human-readable receipts. Powered by open.er-api.com (free tier, no key). ~150-400ms. Demo mode returns USD-EUR @ 0.92 for testing.","when_to_use":null,"vs_alternatives":null,"example_request":null,"example_response":null,"settle_to":"0x3fD9ee1373562f894D322B37DFFAd7a5D2b2d78f","network":"base","facilitator":"https://facilitator.xpay.sh","payment_required":true,"free_introspection":true,"note":"GET this URL = free introspection card. POST with x402 payment header to call."}