PayGuard: Open-Source SDK Enforces Spend Limits and Risk Checks for AI Agent Payments

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PayGuard is an open-source security SDK developed during a Razorpay hackathon to add financial safeguards to transactions made by AI agents. It acts as an automated guardrail that enforces spending limits, verifies idempotency, and runs risk evaluations before any purchase goes through. Users can define financial policies once and let the SDK apply spend caps and checks without human intervention. The tool is designed to run locally or on self-hosted infrastructure so sensitive transaction data stays off third-party servers, and it works with open-weight local models to avoid per-request costs. Because the code is open source, developers can adjust risk models, swap inference backends, or modify rule sets.

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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