stablecoins tag

Publications

Ordered by date created, newest first. All 3 publications are shown on this page.

What is x402? HTTP 402 Payment Required for AI agents and APIs 2026-10-21 · article
x402 is an open protocol that lets software pay for a web request in USDC by answering HTTP 402 Payment Required. How it works, who runs it, who uses it.
Is x402 legal? The GENIUS Act, sanctions and open questions for stablecoin payments 2026-09-29 · article
The GENIUS Act regulates US stablecoin issuers, not x402 sellers; sanctions rules still apply to every payment. What the law settles and what remains open.
x402 glossary: 44 terms for HTTP 402, agent payments and USDC 2026-09-29 · page
Plain definitions of x402, HTTP 402, facilitator, EIP-3009, CAIP-2, USDC, MCP, A2A, AP2, MPP, L402, calls per payer and more, each with its first-use context.