List of Guardrail Checks

Each Guardrail Check has a specific purpose, it's own parameters, supported hooks, and sources.

Partner Guardrails

Portkey has partnered with leading AI Guardrails companies Patronus AI, Aporia, and Pillar to bring their Guardrails frameworks on to the Portkey Gateway and make them available for Portkey's worldwide users.

Supported Guardrails

• Validate Aporia policies

Define your Aporia policies on your Aporia dashboard and just pass the project ID in Portkey Guardrail check.

Supported Guardrails

• Scan Prompt

• Scan Response

For PII, toxicity, prompt injection, detection, and more.

Supported Guardrails

• Hallucination detection

• Check for conciseness, helpfulness, politeness

• Check for gender, racial bias

• and more!

Bring Your Own Guardrail

We have built Guardrails in a very modular way, and support bringing your own Guardrail using a custom webhook! Learn more here.

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The logic for all of the Guardrail Checks (including Partner Guardrails) is open source.

View it here and here on the Portkey Gateway repo.

Portkey's Default Guardrail Checks

Along with the partner Guardrails, there are also deterministic as well as LLM-based Guardrails supported natively by Portkey.

Check out their details below:

Check Name	Description	Parameters	Supported Hooks
Regex Match	Check if the request or response text matches a regex pattern.	rule: string	beforeRequestHook afterRequestHook
Sentence Count	Checks if the content contains a certain number of sentences. Ranges allowed.	minSentences: number maxSentences: number	beforeRequestHook afterRequestHook
Word Count	Checks if the content contains a certain number of words. Ranges allowed.	minWords: number maxWords: number	beforeRequestHook afterRequestHook
Character Count	Checks if the content contains a certain number of characters. Ranges allowed.	minCharacters: number maxCharacters: number	beforeRequestHook afterRequestHook
JSON Schema	Check if the response JSON matches a JSON schema.	schema: json	afterRequestHook
JSON Keys	Check if the response JSON contains any, all or none of the mentioned keys.	keys: array operator: string	afterRequestHook
Contains	Checks if the content contains any, all or none of the words or phrases.	words: array operator: string	afterRequestHook
Valid URLs	Checks if all the URLs mentioned in the content are valid	onlyDNS: boolean	afterRequestHook
Contains Code	Checks if the content contains code of format SQL, Python, TypeScript, etc.	format: string	afterRequestHook
Webhook	Makes a webhook request for custom guardrails	webhookURL:string headers: json	beforeRequestHook afterRequestHook
Moderate Content (LLM-based)	Checks if the content passes the mentioned content moderation checks.	categories: array	beforeRequestHook
Check Language (LLM-based)	Checks if the response content is in the mentioned language.	language: string	beforeRequestHook
Detect PII (LLM-based)	Detects Personally Identifiable Information (PII) in the content.	categories: array	beforeRequestHook afterRequestHook
Detect Gibberish (LLM-based)	Detects if the content is gibberish.	boolean	beforeRequestHook afterRequestHook

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Contribute Your Guardrail

We actively welcome Guardrail platforms to integrate their APIs with Portkey Gateway and let Portkey Gateway users use your Guardrail with Portkey's fast & reliable AI Gateway.

Check out some existing examples here to create your own!