
API Shield
API Key & Secret Leak Detector
What it does
You paste an API key into your code "just for testing" then git push. Within minutes, automated bots have already harvested it. API Shield eliminates this risk entirely. It scans your code in real-time, directly inside VS Code, no cloud, no APIs, no telemetry. Every keystroke is checked locally on your machine. Real-time API key & secret leak detector for VS Code Catch leaked credentials before they reach Git 100% local, zero cloud dependencies.
Does a similar job
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- KDKeyLeak Detector – Scan websites for exposed API keys and secretsNov 2025 · github.com · ▲30
I built this after seeing multiple teams accidentally ship API keys in their frontend code. The problem: Modern web development moves fast. You're vibe-coding, shipping features, and suddenly your AWS keys are sitting in a tag visible to anyone who opens DevTools. I've personally witnessed this happen to at least 3-4 production apps in the past year alone. KeyLeak Detector runs through your site (headless browser + network interception) and checks for 50+ types of leaked secrets: AWS/Google keys, Stripe tokens, database connection strings, LLM API keys (OpenAI, Claude, etc.), JWT…




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