Open Protocols Portal

Welcome to the Open Protocols Portal

Building trustless, autonomous agent infrastructure through open standards and protocols.

Protocol Overview

• Standards — ERC-8004 (Trustless Agents) and ERC-8183 (Agentic Commerce) specifications
• Agent2Agent (A2A) — Protocol for agent-to-agent communication and coordination
• Agent-to-UI (A2UI) — Standardized interface between agents and user applications
• Agent Payments (AP2) — Secure payment and settlement protocol for agent transactions
• Universal Commerce (UCP) — Unified commerce protocol for agent-driven commerce platforms
• x402 HTTP Payment — HTTP payment integration and micropayment support

Quick Start

Start exploring any of the protocols above. Each section contains:

• Getting Started — Introduction and setup guides
• Architecture — Protocol design and specifications
• API Reference — Detailed endpoint and function documentation
• Examples — Code examples and integration patterns

Available Languages

This documentation is available in both English and Simplified Chinese. Use the language switcher in the top navigation to change languages.