ATP Protocol

ATP: Agent Trade Protocol

The premier agent-to-agent payment protocol and foundational framework to empower the agent economy.

[](https://www.python.org/downloads/) [](https://opensource.org/licenses/MIT) [](https://docs.swarms.ai/docs/atp/overview)

Overview

ATP (Agent Trade Protocol) is the premier agent-to-agent payment protocol that will be the foundational framework to empower the agent economy. Designed to overcome x402's issues and make agent-to-agent payments dynamic and simple, ATP enables automatic payment processing for agent services on the Solana blockchain. The protocol provides a middleware layer that automatically deducts payments from user wallets based on token usage, ensuring secure and transparent transactions.

Key Features

• Security: Response encryption ensures users cannot access output until payment is confirmed on-chain
• Automation: Zero-configuration payment processing through middleware integration
• Decentralization: All payments executed on Solana blockchain with full transaction visibility
• Format Flexibility: Supports multiple usage formats (OpenAI, Anthropic, Google, etc.) automatically
• Transparency: Automatic payment splitting between treasury and recipient wallets

Architecture

ATP Protocol operates through three main components:

1. Settlement Service (Facilitator): Centralized service handling all settlement logic, usage parsing, payment calculation, and blockchain transaction execution
2. Middleware: FastAPI middleware that intercepts API responses, extracts usage data, encrypts responses, executes payments, and decrypts responses only after payment confirmation
3. Client: User-facing client that simplifies making requests to ATP-protected endpoints and interacting with the set