List of Guardrail Checks
Each Guardrail Check has a specific purpose, it’s own parameters, supported hooks, and sources.
Partner Guardrails

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

Pillar
- Scan Prompts
- Scan Responses For PII, toxicity, prompt injection detection, and more.

Patronus
- Hallucination detection
- Check for conciseness, helpfulness, politeness
- Check for gender, racial bias
- and more!

Pangea
- Text Guard for scanning LLM inputs and outputs
- Analyze and redact text to avoid model manipulation
- Detect malicious content and undesirable data transfers

Acuvity
- Scan Prompts
- Scan Responses
For PII, toxicity, prompt injection detection, and more.

AWS Bedrock
-
Analyze and redact PII to avoid model manipulation
-
Bring your AWS Guardrails directly inside Portkey
and more!

Mistral
- Detect and filter harmful content across multiple dimensions
The logic for all of the Guardrail Checks (including Partner Guardrails) is open source.
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.
Portkey’s Guardrails
Along with the partner Guardrails, there are also deterministic as well as LLM-based Guardrails supported natively by Portkey.
BASIC
Guardrails are available on all Portkey plans.
PRO
Guardrails are available on Portkey Pro & Enterprise plans.
BASIC
— Deterministic Guardrails
Regex Match
Checks if the request or response text matches a regex pattern.
Parameters: rule: string
Supported On: input_guardrails
, output_guardrails
Sentence Count
Checks if the content contains a certain number of sentences. Ranges allowed.
Parameters: minSentences: number
, maxSentences: number
Supported On: input_guardrails
, output_guardrails
Word Count
Checks if the content contains a certain number of words. Ranges allowed.
Parameters: minWords: number
, maxWords: number
Supported On: input_guardrails
, output_guardrails
Character Count
Checks if the content contains a certain number of characters. Ranges allowed.
Parameters: minCharacters: number
, maxCharacters: number
Supported On: input_guardrails
, output_guardrails
JSON Schema
Check if the response JSON matches a JSON schema.
Parameters: schema: json
Supported On: output_guardrails
only
JSON Keys
Check if the response JSON contains any, all or none of the mentioned keys.
Parameters: keys: array
, operator: string
Supported On: output_guardrails
only
Contains
Checks if the content contains any, all or none of the words or phrases.
Parameters: words: array
, operator: string
Supported On: output_guardrails
only
Valid URLs
Checks if all the URLs mentioned in the content are valid
Parameters: onlyDNS: boolean
Supported On: output_guardrails
only
Contains Code
Checks if the content contains code of format SQL, Python, TypeScript, etc.
Parameters: format: string
Supported On: output_guardrails
only
Lowercase Detection
Check if the given string is lowercase or not.
Parameters: format: string
Supported On: input_guardrails
, output_guardrails
Ends With
Check if the content ends with a specified string.
Parameters: Suffix: string
Supported On: input_guardrails
, output_guardrails
Webhook
Makes a webhook request for custom guardrails
Parameters: webhookURL: string
, headers: json
Supported On: input_guardrails
, output_guardrails
PRO
— LLM Guardrails
Moderate Content
Checks if the content passes the mentioned content moderation checks.
Parameters: categories: array
Supported On: input_guardrails
only
Check Language
Checks if the response content is in the mentioned language.
Parameters: language: string
Supported On: input_guardrails
only
Detect PII
Detects Personally Identifiable Information (PII) in the content.
Parameters: categories: array
Supported On: input_guardrails
, output_guardrails
Detect Gibberish
Detects if the content is gibberish.
Parameters: boolean
Supported On: input_guardrails
, output_guardrails
You can now have configurable timeouts for Partner & Pro Guardrails!
Contribute Your Guardrail
Integrate your Guardrail platform with Portkey Gateway and reach our growing user base. Check out some existing integrations to get started.
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