Visa, Mastercard, American Express, and Stripe just backed x402, a protocol that lets AI agents pay for things automatically, no card, no login, no checkout page, by reviving a dormant HTTP status code from 1991.

The G20 set a 2027 deadline for faster, cheaper, more accessible cross-border payments. This 2-minute video breaks down the actual targets, and why the Financial Stability Board says progress is behind schedule.