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MPP - Two new payment protocols, x402 and MPP, are

Two new payment protocols, x402 and MPP, are disrupting legacy payment systems, and the author suggests that AI agents should move beyond API keys and subscriptions to take advantage of the emerging agent economy.

Updated: 3/19/2026

Two protocols just declared war on legacy payments. x402 (Coinbase-led, crypto-native) vs MPP (Stripe + Tempo, hybrid fiat+crypto). If your AI agents still run on API keys + subscriptions — you're sleeping on the agent economy. Plain English breakdown 👇 Source: https://x.com/1ly_store/status/2034636833444020669

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