> ## Documentation Index > Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # Guardrail ## Fields | Field | Type | Required | Description | Example | | ------------------------------- | ------------------------------------------------------------------------------------------ | -------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------- | | `allowed_models` | List\[*str*] | :heavy\_minus\_sign: | Array of model canonical\_slugs (immutable identifiers) | \[
"openai/gpt-5.2-20251211",
"anthropic/claude-4.5-opus-20251124",
"deepseek/deepseek-r1-0528:free"
] | | `allowed_providers` | List\[*str*] | :heavy\_minus\_sign: | List of allowed provider IDs | \[
"openai",
"anthropic",
"google"
] | | `content_filter_builtins` | List\[[components.ContentFilterBuiltinEntry](../components/contentfilterbuiltinentry.mdx)] | :heavy\_minus\_sign: | Builtin content filters applied to requests. Includes PII detectors and the regex-based prompt injection detector. | \[
\{
"action": "redact",
"label": "\[EMAIL]",
"slug": "email"
}
] | | `content_filters` | List\[[components.ContentFilterEntry](../components/contentfilterentry.mdx)] | :heavy\_minus\_sign: | Custom regex content filters applied to request messages | \[
\{
"action": "redact",
"label": "\[API\_KEY]",
"pattern": "\b(sk-\[a-zA-Z0-9]\{48})\b"
}
] | | `created_at` | *str* | :heavy\_check\_mark: | ISO 8601 timestamp of when the guardrail was created | 2025-08-24T10:30:00Z | | `description` | *OptionalNullable\[str]* | :heavy\_minus\_sign: | Description of the guardrail | Guardrail for production environment | | `enable_free_model_publication` | *OptionalNullable\[bool]* | :heavy\_minus\_sign: | Whether this guardrail allows free endpoints that publish prompts. | false | | `enable_free_model_training` | *OptionalNullable\[bool]* | :heavy\_minus\_sign: | Whether this guardrail allows free endpoints that train on request data. | true | | `enable_paid_model_training` | *OptionalNullable\[bool]* | :heavy\_minus\_sign: | Whether this guardrail allows paid endpoints that train on request data. | true | | ~~`enforce_zdr`~~ | *OptionalNullable\[bool]* | :heavy\_minus\_sign: | : warning: \*\* DEPRECATED \*\*: This will be removed in a future release, please migrate away from it as soon as possible.

Deprecated. Use enforce\_zdr\_anthropic, enforce\_zdr\_openai, enforce\_zdr\_google, enforce\_zdr\_xai, and enforce\_zdr\_other instead. When provided, its value is copied into any of those per-provider fields that are not explicitly specified on the request. | false | | `enforce_zdr_anthropic` | *OptionalNullable\[bool]* | :heavy\_minus\_sign: | Whether to enforce zero data retention for Anthropic models. Falls back to enforce\_zdr when not provided. | false | | `enforce_zdr_google` | *OptionalNullable\[bool]* | :heavy\_minus\_sign: | Whether to enforce zero data retention for Google models. Falls back to enforce\_zdr when not provided. | false | | `enforce_zdr_openai` | *OptionalNullable\[bool]* | :heavy\_minus\_sign: | Whether to enforce zero data retention for OpenAI models. Falls back to enforce\_zdr when not provided. | false | | `enforce_zdr_other` | *OptionalNullable\[bool]* | :heavy\_minus\_sign: | Whether to enforce zero data retention for models that are not from Anthropic, OpenAI, Google, or xAI. Falls back to enforce\_zdr when not provided. | false | | `enforce_zdr_xai` | *OptionalNullable\[bool]* | :heavy\_minus\_sign: | Whether to enforce zero data retention for xAI models. Falls back to enforce\_zdr when not provided. | false | | `id` | *str* | :heavy\_check\_mark: | Unique identifier for the guardrail | 550e8400-e29b-41d4-a716-446655440000 | | `ignored_models` | List\[*str*] | :heavy\_minus\_sign: | Array of model canonical\_slugs to exclude from routing | \[
"openai/gpt-4o-mini-2024-07-18"
] | | `ignored_providers` | List\[*str*] | :heavy\_minus\_sign: | List of provider IDs to exclude from routing | \[
"azure"
] | | `include_byok_in_budgets` | *bool* | :heavy\_check\_mark: | Whether BYOK (bring-your-own-key) inference spend counts toward this guardrail's limit\_usd, in addition to OpenRouter credit spend. | false | | `limit_usd` | *OptionalNullable\[float]* | :heavy\_minus\_sign: | Spending limit in USD | 100 | | `name` | *str* | :heavy\_check\_mark: | Name of the guardrail | Production Guardrail | | `reset_interval` | [OptionalNullable\[components.GuardrailInterval\]](../components/guardrailinterval.mdx) | :heavy\_minus\_sign: | Interval at which the limit resets (daily, weekly, monthly) | monthly | | `updated_at` | *OptionalNullable\[str]* | :heavy\_minus\_sign: | ISO 8601 timestamp of when the guardrail was last updated | 2025-08-24T15:45:00Z | | `workspace_id` | *str* | :heavy\_check\_mark: | The workspace ID this guardrail belongs to. | 0df9e665-d932-5740-b2c7-b52af166bc11 |