# Decision3 > Decision3 builds open-source payment infrastructure for the autonomous AI agent economy. Agents need to pay, remember, and be accountable — we build the open layer for this. ## Core pages - [Home](https://decision3.ai): What Decision3 is and who it's for - [Products](https://decision3.ai/#products): Interouter and EvoAgent overview ## What makes Decision3 different - Live on Algorand mainnet — verified x402 payments, not a demo - Interouter: open-source x402 middleware (MIT license, on npm as @decision3/interouter-core), facilitator-agnostic, cross-chain compatible - EvoAgent: self-evolving AI agent, first real customer of Interouter's payment layer — proof by dogfooding, not theorizing - 59/59 tests passing, v0.1.7 ## Contact - GitHub: https://github.com/decision3-ai - X: https://x.com/DeFlosvictor