Senthex — The AI Firewall for Production LLM Stacks

2 min read Original article ↗

Now available · v1.0

Secure every LLM call.
One line of code.

Senthex is the AI firewall that sits between your app and OpenAI, Anthropic, Mistral, Gemini. 26 shields. 12ms latency. EU AI Act ready.

One line. That's it.

Change your base_url. Everything else stays the same — your API key, your SDK, your existing code.

Built for production.

No compromises on latency. No buffering. No data retention by default.

latency overhead

p99, measured in production

shields active

OWASP Top 10 fully covered

detection rate

on injection attacks

LLM providers

OpenAI · Anthropic · Mistral · Gemini · OpenRouter

Defense in depth, without the complexity.

Universal compatibility

One line. Every provider.

No SDK to install. No refactor required. Swap your base_url to app.senthex.com/v1 and every request — across every provider — goes through Senthex's shield layer. Transparent by design.

Your App

OpenAI

Anthropic

Mistral

Gemini

OpenRouter

Threat detection

Defense in depth.

26 shields run in parallel on every request. Prompt injection, PII redaction, secret leak detection, unicode steganography, behavioral fingerprinting, semantic hijacking — caught before they reach your model.

Observability

See everything. In real time.

Every request is logged, scored, and classified. Threat timeline, anomaly detection, per-project analytics. Export your full audit trail for EU AI Act compliance in one click.

Compliance

Built for the EU AI Act.

Deadline: 2 August 2026. Senthex ships with audit trail, data classification, and compliance reports out of the box. Zero data retention by default. Hosted in Germany.

The independent alternative.

SenthexCloudflareLakeraLLM Guard
One-line integration
Behavioral fingerprinting
Unicode steganography
EU AI Act audit trail
Canary tokens
Multi-turn tracking
Self-hosted option
Startup-friendly price

Lakera, Protect AI, Prompt Security — all acquired in 2025. Senthex is the independent, European-built option for startups and scale-ups.

Simple, transparent pricing.

Start with 1,000 free requests. No credit card required. Upgrade when you need to.

Start free

  • 1,000 requests/month
  • All 26 shields
  • Real-time dashboard
  • 3-day log retention
  • Community support

Upgrade to Pro

  • 50,000 requests/month
  • All 26 shields
  • Real-time dashboard
  • 14-day log retention
  • Webhook alerts
  • CSV export
  • Email support

Business

/mo

500,000 req/mo

Upgrade to Business

  • 500,000 requests/month
  • All 26 shields
  • Real-time dashboard
  • 90-day log retention
  • EU AI Act audit trail
  • Webhook + Slack alerts
  • Priority support
  • OWASP LLM Top 10 report

Contact sales

  • Unlimited requests
  • All 26 shields + custom
  • Real-time dashboard
  • Unlimited retention
  • Full compliance suite
  • Dedicated support
  • SLA guarantee
  • Self-hosted option
  • Custom contracts

Go deeper.

Ready to secure
your LLM stack?

Start with 1,000 free requests. No credit card required.

No credit card required · EU-hosted · GDPR compliant