Amazon Web Services has integrated Coinbase's x402 payments protocol, marking a significant development in the adoption of stablecoin payment methods. This integration allows Amazon developers to utilize Coinbase's x402 discovery layer and wallet infrastructure, enabling AI agents to conduct real-time USDC micropayments across Base and Solana chains. The move is part of Amazon's broader strategy to enhance its AI-driven commerce capabilities.Following the integration, Amazon's stock (AMZN) formed a golden cross for the first time since July, signaling potential bullish momentum. The company's custom silicon business also reported a $20 billion annualized run rate in Q1 2026, reflecting triple-digit year-over-year growth. Meanwhile, Coinbase's stock (COIN) closed at $192, maintaining a stable trading range despite recent downtrends.In addition to the Coinbase partnership, Amazon has strengthened its cloud collaboration with U.S. Bank, which plans to migrate numerous applications to AWS and implement GenAI-powered customer service. These developments underscore the growing influence of AI and stablecoin technologies in reshaping financial transactions and cloud services.