API live in production

Protect your APIs with Artificial Intelligence

Real-time security analysis. 21ms latency. Zero configuration. Detect XSS, SQL Injection, SSRF and more before someone exploits it.

View Documentation
POST https://api-proxy-production-28ff.up.railway.app/v1/inspect

Protecting requests in production

0.0%

Uptime guaranteed

0ms

Average latency

0

False positives

0+

Threats detected

Vercel
Stripe
Railway
Supabase
Turso

Features

API security that works

Everything you need to protect your APIs, in a single intelligence layer.

Inspect Engine

Deep analysis of headers, SSL/TLS configurations and payload. Identifies exposure of sensitive data and insecure configurations in milliseconds.

Threat Detection

Detect XSS, SQL Injection, SSRF, Command Injection and more in real-time. Our AI analyzes behavioral patterns to block zero-days.

Ultra-Low Latency

21ms average latency. Our edge-optimized architecture ensures your API is never delayed by the security layer.

Security Score

Score 0-100 with actionable recommendations. Know exactly what needs to be fixed and the impact of each vulnerability.

Easy Integration

One X-Sentinel-Api-Key header and you're done. No SDKs, no complex middlewares. Works with any stack: Node.js, Python, Go, Ruby.

Multi-Tenant

Complete separation per client on Enterprise plan. Each tenant with its own policy, whitelist and isolated reports.

Interactive Demo

Test real-time analysis

Pricing

Choose your plan

Start free and scale as you need. No hidden fees.

Free

$0/month

For personal projects and validation.

  • 100 req/min
  • Basic security analysis
  • Headers & SSL check
  • Community support
  • 1 project
Most Popular

Pro

$49/month

For startups with APIs in production.

  • 1,000 req/min
  • Advanced analysis + reports
  • XSS, SQLi, SSRF detection
  • Detailed Security Score
  • Slack / webhook alerts
  • 5 projects

Enterprise

$199/month

For companies with compliance needs.

  • 10,000 req/min
  • SLA 99.9% guaranteed
  • Full multi-tenant
  • Priority 24/7 support
  • SSO & audit logs
  • Unlimited projects

Integration

One line of code

Send your request context and receive a security decision in 21ms.

Request
1curl -X POST https://api-proxy-production-28ff.up.railway.app/v1/inspect \
2-H "X-Sentinel-Api-Key: your_token_here" \
3-H "Content-Type: application/json" \
4-d '{
5    "context": {
6      "method": "GET",
7      "path": "/api/users",
8      "sourceIp": "192.168.1.1"
9    }
10  }'
Response200 OK · 21ms
1{
2  "decision": {
3    "verdict":     "verdict": "ALLOW",    "verdict": "ALLOW",
4    "riskScore": 0    "riskScore": 0
5  },
6  "forensics": {
7    "headers": "secure",
8    "ssl": "valid",
9    "vulnerabilities": []
10  },
11  "latencyMs": 21
12}

Testimonials

What devs say

"We implemented Sentinel API in 10 minutes. In one week, we blocked over 200 SQL Injection attempts that our old WAF didn't even detect."

Carlos Mendes

Carlos Mendes

CTO · FintechPay

"The latency is incredible. 21ms is imperceptible to our users. And the Security Score helped us prioritize fixes much more efficiently."

Ana Souza

Ana Souza

DevOps Lead · CloudScale

"Finally an API security solution that doesn't require a dedicated team to maintain rules. The real-time threat detection is impressive."

Rafael Lima

Rafael Lima

Security Engineer · DataSafe