AI agents that pay: how machine payments work on x402, the XRP Ledger and Tether's wallet toolkit, and what a Canadian builder answers to
Millions of payments a day are now made by software rather than people: an AI agent hits an API, gets an HTTP 402, pays a fraction of a cent in a stablecoin and retries. This guide explains the three systems doing most of it in September 2026, what the numbers really show, and which Canadian rules a builder trips over.
8 min read ·