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    THE XBPP BLOG

    Ideas, guides, and reference material for teams shipping autonomous agents that transact. We write about AI agent payments, x402, declarative policy, and the open standards that make agentic systems safe to deploy.

    2026-04-08|
    agent-paymentspolicyguide

    How to Safely Give an AI Agent a Credit Card

    Hardcoded spending limits break the moment you ship a second agent. Here's the declarative policy pattern that actually scales - plus the five rules we see every production team converge on.

    2026-04-08|
    x402architectureintegration

    x402 + xBPP: Composing Payment and Policy for Autonomous Agents

    x402 gives agents an HTTP-native payment rail. It deliberately doesn't solve policy. Here's how xBPP composes with x402 to give you a complete stack for autonomous agent payments - in about seven lines of code.

    2026-04-08|
    policyguardrailsconcepts

    ALLOW, BLOCK, ESCALATE: Why Autonomous Agents Need Three Verdicts

    Binary allow/deny systems force a tradeoff that doesn't have a right answer. The third verdict - ESCALATE - is what makes human-in-the-loop governance actually work in production.

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