Senthex provides an AI firewall and verifiable audit trail designed for applications deploying large language models (LLMs) into production. Acting as a proxy between an app and providers such as OpenAI, Anthropic, Mistral, Gemini, and OpenRouter, Senthex intercepts every LLM request, scans it for threats, and logs the interaction in a tamper-evident registry. The platform aims to offer teams a way to prove what their AI systems do with customer data, supporting compliance with regulations like the EU AI Act.
The system operates by scanning each LLM request and response through 26 distinct shields, detecting issues like prompt injection, PII exposure, secret leaks, unicode steganography, and more. When running in redact mode, PII is removed before reaching the model. Every event is logged, scored, and classified, providing real-time analytics, anomaly detection, and a threat timeline. The audit trail is built on a SHA-256 hash chain anchored to an independent RFC 3161 timestamp, making any tampering visible. Users can export the full audit trail for compliance, and the platform specifically supports record-keeping under EU AI Act Articles 12 and 19.
Integration with Senthex is designed to be simple, requiring only a change to the application's base_url, with no need to modify existing SDKs or API keys. The platform is EU-hosted, with data minimization by default and no LLM provider keys stored. Senthex offers both a cloud-hosted service and a self-hosted deployment option, with the latter ensuring that no data leaves the user's environment and providing an offline audit-trail verifier.
Pricing is structured in transparent tiers: a free plan allows up to 1,000 requests per month with 3-day log retention; the Pro plan (€20/month) increases this to 50,000 requests and 14-day retention, and the Business plan (€99/month) allows 500,000 requests with 90-day retention, EU AI Act audit trail, and additional integrations. A self-hosted option is available by contacting Senthex. The platform is targeted at startups and scale-ups seeking independent, European-built AI security and compliance solutions for production LLM deployments.
Senthex sits in PulseGate's Security & compliance platforms category. It focuses on securing and auditing AI model usage in production environments to ensure compliance and data integrity. Senthex is a B2B product aimed at enterprises deploying AI applications. Pricing is paid. It runs on the web and the command line.
Senthex first shipped in 2026. Among its 5 catalogued features are AI firewall, audit trail, and compliance tools.
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