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Sentinel API
AI-powered API security. 21ms latency. One header.
AI-powered API security that detects XSS, SQL Injection, SSRF and more in real-time. Returns a security decision (ALLOW/BLOCK/CHALLENGE) with risk score (0-100) in just 21ms. One header integration: X-Sentinel-Api-Key. Zero config. Free tier: 1,000 req/min. Get your API key in 2 seconds at sentinel-ai.one
Hey Product Hunt! 👋
I built Sentinel API because I was tired of static WAFs that block legitimate traffic and miss real threats.
What it does:
• Analyzes every API request for XSS, SQLi, SSRF, etc.
• Returns a security decision in 21ms
• Integrates with ONE header — no SDKs, no complex configs
How I built it:
• NestJS + PostgreSQL + Redis on Railway
• Next.js landing on Vercel
• AI-assisted development (yes, AI helped code this!)
Free tier: 1,000 requests/min — generous enough for production side projects.
For the PH community: First 20 people to upvote + comment "SENTINEL" get 30 days of Pro free.
Try it: https://sentinel-ai.one
Happy to answer any questions! 🛡️
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About Sentinel API on Product Hunt
“AI-powered API security. 21ms latency. One header.”
Sentinel API was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #31 on the daily leaderboard. AI-powered API security that detects XSS, SQL Injection, SSRF and more in real-time. Returns a security decision (ALLOW/BLOCK/CHALLENGE) with risk score (0-100) in just 21ms. One header integration: X-Sentinel-Api-Key. Zero config. Free tier: 1,000 req/min. Get your API key in 2 seconds at sentinel-ai.one
Sentinel API was featured in API (98.1k followers), SaaS (41.7k followers) and Security (2.6k followers) on Product Hunt. Together, these topics include over 55.4k products, making this a competitive space to launch in.
Who hunted Sentinel API?
Sentinel API was hunted by PhantomCrust. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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