Machine Payments Python Packages

pympp

Python SDK for the Machine Payments Protocol

ddg-agent-services-mcp

Pay-per-call x402 gateway for AI agents — MCP server + OpenAI-compatible API for agent tools, market data, RPC, and MCP security audits. Pay in USDC on Base, no account.

keel-verifier

Independent verifier for signed AI audit exports and Permit-spec evidence

inflowpay

Python SDK for InFlow MPP and x402 Buyer and Seller integrations.

verantis-mcp

MCP tool for Verantis — the verified directory for machine payments (x402 & MPP). Check services and wallets before your agent pays.