Guardrails for Claude Code and OpenAI Codex reviewing payment systems: idempotency, ledgers, webhooks, reconciliation, and state machines.
webhooks distributed-systems reconciliation payments ledger fintech payment-processing ai-agents idempotency openai-codex coding-agents payment-security agent-skills claude-code financial-infrastructure agentic-payments payment-engineering
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Updated
Aug 17, 2026 - JavaScript