OpenAI API Key Security Guide
How to securely manage OpenAI API keys in AI agent deployments. Covers rotation, scoping, environment variable patterns, and leak detection.
Overview
OpenAI API keys are the most commonly leaked credential in AI agent deployments. This guide covers secure key management practices: using environment variables instead of hardcoding, implementing key rotation schedules, scoping keys with project-level restrictions, detecting leaked keys in git history, and monitoring for unauthorized usage. Whether you're building with the OpenAI SDK directly or through frameworks like LangChain, these practices apply to all API key types including organization keys, project keys, and service account keys.
Features
- -Environment variable patterns for API keys
- -Key rotation automation with zero downtime
- -Git pre-commit hooks to prevent key commits
- -Usage monitoring and anomaly detection
- -Multi-environment key management (dev/staging/prod)
Security Considerations
Never hardcode API keys in source files, configuration files, or agent prompts. Use environment variables or secret managers (Vault, AWS Secrets Manager, 1Password). If a key is leaked, rotate immediately -- OpenAI keys cannot be scoped retroactively. Monitor the OpenAI usage dashboard for unexpected spikes.
Scan for vulnerabilities: npx hackmyagent secure
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