READ LESS. BUILD MORE.

Everything you need to integrate P402: tutorials to get started, guides for specific tasks, reference for lookup, and explanations of how it all works.

Tutorials

Learn by doing.

• →Quickstart (5 min)
• →Build a Budget Agent

How-To Guides

Solve a specific problem.

• →Connect an Agent
• →Set Up MCP Server
• →Manage Sessions
• →Fund with USDC
• →Choose Routing Modes
• →Configure Caching
• →Manage API Keys

Reference

Look up facts.

• →API Reference
• →SDK Reference
• →CLI Reference
• →MCP Tools
• →Model Catalog
• →Billing Guard
• →Error Codes

Understanding P402

Learn why it works.

• →Architecture
• →x402 Protocol
• →Routing Engine
• →Security Model