TECHNICAL GUIDE
How to Prevent PII from Reaching OpenAI
A practical API-level pattern for replacing personal data before an OpenAI-compatible request leaves your application.
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Practical guides for privacy-aware LLM applications.
Request boundaries, PII minimization, prompt-injection signals, secret detection, and secure developer workflows.
TECHNICAL GUIDE
What Is an LLM Privacy Gateway?
What belongs in the LLM privacy middleware layer and what should remain under application and provider control.
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PII Redaction vs Anonymization vs Pseudonymization
The practical differences between these related transformations in LLM workflows.
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How to Detect Prompt Injection in an API
Use readable prompt-injection signals at the API boundary and combine them with broader application controls.
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How to Protect Secrets in LLM Prompts
Why credentials and tokens should be treated as first-class input data before external model delivery.
Read article →NEXT STEP
Put the privacy boundary in code.
Start with one protected request and expand from there.