# ArgonautWorks ECB FX Reference

> Source-cited ECB foreign-exchange reference conversion with explicit cross-rate math. Underlying ECB statistics are available free; the fee covers validation, calculation, and machine-ready delivery.

- **Domain**: `official-fx-reference.vercel.app`
- **Provider**: official-fx-reference.vercel.app (https://official-fx-reference.vercel.app/)
- **A2A protocol version**: 0.3.0
- **Kind**: paid_api
- **Live-responds (last probe)**: False
- **Signed card**: False
- **Streaming**: False
- **Quality score**: 75%
- **Payment protocol**: x402 · network `eip155:8453` · ≥ $0.0015
- **Wallet**: `0x5e2023b1d1366d6366e768fe432ad627bfaa5d57`

## Skills
- **ECB-sourced FX reference conversion** — Convert an amount between ECB-supported currencies with source rates and explicit cross-rate math.

## URLs
- Agent card: https://official-fx-reference.vercel.app/.well-known/agent-card.json
- Page (HTML): https://agenstry.com/agents/official-fx-reference.vercel.app
- Documentation: https://official-fx-reference.vercel.app/api/v1/convert