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It has a SOTA hallucination detection model Lynx, which is also open source. The Prisma AIRS AI Gateway integrates with multiple Patronus evaluators to help you enforce LLM behavior.

List of all Patronus evaluators supported on the AI Gateway

Browse Patronus’ docs for more info:

What is Patronus AI?

Learn more about Patronus AI and their offerings.

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Using Patronus with the AI Gateway

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1. Add Patronus API Key to AI Gateway

Grab your Patronus API key from here. On the Integrations page, click on the edit button for the Patronus and add your API key.

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2. Add Patronus’ Guardrail Checks & Actions

Navigate to the Guardrails page and you will see the Guardrail Checks offered by Patronus there. Add the ones you want, set actions, and create the Guardrail!

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List of Patronus Guardrail Checks

Your Patronus Guardrail is now ready to be added to any AI Gateway request you’d like!

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3. Add Guardrail ID to a Config and Make Your Request

Patronus integration on the AI Gateway currently only works on model outputs and not inputs.
  • When you save a Guardrail, you’ll get an associated Guardrail ID - add this ID to the after_request_hooks params in your AI Gateway Config.
  • Save this Config and pass it along with any AI Gateway request you’re making!
Your requests are now guarded by your Patronus evaluators and you can see the Verdict and any action you take directly on AI Gateway logs! More detailed logs for your requests will also be available on your Patronus dashboard.
Last modified on September 15, 2026