
FedNow and Instant Payments Are Changing Small Business Treasury: What ISO 20022 Means for Your Books in 2026
FedNow and RTP now reach roughly 75% of U.S. bank accounts, settling payments in seconds, 24/7/365, with a $10 million network transaction limit. This guide explains how ISO 20022 structured remittance data changes invoice matching and reconciliation, why irrevocable instant payments demand wire-transfer-level fraud controls, and what small businesses should ask their bank and accounting software in 2026.










