# Agent commerce protocols proliferate beyond crypto-native stacks > Source: > Published: 2026-09-07 00:00:00+00:00 TIER_A · company move # Agent commerce protocols proliferate beyond crypto-native stacks Through 2025–2026, incumbent payments and model vendors published overlapping agent-commerce interfaces. Stripe describes an Agentic Commerce Protocol alongside MPP and x402 support. Visa shipped Intelligent Commerce. The overlapping vocabulary is a classification problem for buyers and a coverage obligation for zFinia. Event 18 March 2026 · source 18 March 2026 · zFinia published 7 September 2026 · retrospective ## Why it matters The machine economy is not one protocol. Editorial work is mapping substitutes and complements without pretending they are the same rail.