The Universal Commerce Protocol (UCP) is an open-source standard designed to streamline online commerce interactions between consumers, businesses, and payment providers. It simplifies integration and enhances security while allowing businesses to customize their checkout experiences. UCP aims to eliminate the complexities of traditional commerce systems and support a seamless buying process.

Google has introduced the Agent Payments Protocol (AP2), an open protocol designed to facilitate secure agent-led payments across various platforms, addressing the unique challenges posed by AI agents in commerce. Developed in collaboration with over 60 organizations, AP2 establishes a payment-agnostic framework that enhances authorization, authenticity, and accountability for transactions initiated by AI agents, supporting diverse payment methods including cryptocurrencies. The protocol aims to create a unified and secure ecosystem for AI-driven commerce while inviting further collaboration from the industry.