Cardanos ADA price climbed roughly 4% over the past 24 hours, reaching its highest level in four months as investors reacted to the blockchains integration with the x402 payment standard for AI agents. x402 is an open HTTP payment protocol originally developed by Coinbase in 2025 before moving under Linux Foundation governance. The technology revives the HTTP 402 Payment Required status code, allowing artificial intelligence agents and other automated software to make blockchain payments directly over the web. Under the system, an AI agent requesting a paid service, such as an API call or… Read more






