Get real-time Best Bid/Ask for ALL available FX pairs in a single call. Multi-source aggregated from multiple institutional LPs with 62-88% spread improvement. Returns 14 FX pairs including majors, crosses, and XAUUSD gold. Each pair includes quality metadata and spread improvement vs single source. AI agent API for portfolio dashboards, multi-pair monitoring, and FX market overview. Accepts USDC payments on Base and Solana