P402 AI Payment Router

Example Use Cases

• 1

  Route AI requests across multiple providers to optimize cost, quality, or speed.

• 2

  That require on-chain, gasless micropayment settlement using USDC on Base.

• 3

  Enforce spending limits and budgets during autonomous operation.

Description

P402 Protocol acts as an intermediary between AI applications and multiple large language model providers, optimizing routing based on cost, quality, speed, or balanced criteria. It enables gasless micropayments in USDC on the Base network via the x402 protocol, supports session budgets for spending control, and provides a unified OpenAI-compatible API endpoint. The protocol also implements the Google A2A spec for agent communication and payment settlement, offering real-time analytics and optimization suggestions.