# APort Vault: Benchmarking AI Agent Payment Authorization with the Open Agent Passport > Source: > Published: 2026-09-21 12:30:06+00:00 APort Vault is a benchmark for payment authorization in tool-using AI agents. It replays 4,371 attacks written by humans against a live payment agent during a public capture-the-flag event, across 14 models from 8 labs, five policy configurations and two replay tracks, with and without a determinist