---
title: "Create guardrails for traces in a batch"
method: POST
path: "/v1/private/guardrails"
tags: ["Guardrails"]
---

# Create guardrails for traces in a batch

`POST /v1/private/guardrails`

Batch guardrails for traces

## Request body

- GuardrailBatchWrite
  - `guardrails` GuardrailWrite[], required
    - `entity_id` string, uuid, required
    - `secondary_id` string, uuid, required
    - `project_name` string — If null, the default project is used
    - `project_id` string, uuid
    - `name` 'TOPIC' | 'PII' | 'LLM_JUDGE' | 'PROMPT_INJECTION' | 'CUSTOM_CLASSIFIER', required
    - `result` 'passed' | 'failed', required
    - `config` JsonNode, required
    - `details` JsonNode, required

## Response `204`

No Content

---

[API](https://skmtc.net/comet-ml/apis/opik-rest-api.md) · [All operations](https://skmtc.net/comet-ml/apis/opik-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/comet-ml/opik-rest-api/versions/4ed2fbc97cc3/schema)