AI Agents, Stablecoins and the Future of Travel Payments

An AI agent needed data from a website, so it found Apify, set up its own crypto wallet in thirty seconds, and paid one cent through x402 — no account, no credit card, no API key, no human. I unpack Erik Voorhees' tweet about that transaction, explain how x402 turns the dormant HTTP 402 "Payment Required" code into a payment rail for machines, and why stablecoins cover the sub-cent payments credit cards cannot. Then the travel angle: Sabre, PayPal and Mindtrip's agentic booking system — settled in stablecoins, not cards. <...