---
title: "Evaluate Response"
method: POST
path: "/detection/v2/response-evaluations"
tags: ["interactions-v2_other"]
---

# Evaluate Response

`POST /detection/v2/response-evaluations`

[BETA] This endpoint is not GA or Production ready and is subject to changes at any time. Breaking changes may occur.

Analyzes an LLM response payload for security threats after it is received from the model.

Accepts any valid provider response payload and returns:
- If detect or redact action: the response payload (potentially modified) in the provider's response format
- If block action: a canned block message in the provider's response format

Use this endpoint inline in your LLM pipeline to evaluate model outputs before returning them to users.

Supported provider formats:
- [OpenAI Chat Completions](https://platform.openai.com/docs/api-reference/chat)
- [OpenAI Responses](https://platform.openai.com/docs/api-reference/responses)
- [Anthropic Messages](https://docs.anthropic.com/en/api/messages)

## Headers

- `HL-Project-Id` string
- `HL-Runtime-Session-Id` string

## Request body

- ProviderPayload — A pass-through payload in the native format of the LLM provider. Any valid provider request or response payload is accepted as-is and returned in the same format.

## Response `200`

Successful evaluation. Returns the (potentially modified) provider response payload.

- ProviderPayload — A pass-through payload in the native format of the LLM provider. Any valid provider request or response payload is accepted as-is and returned in the same format.

---

[API](https://skmtc.net/hiddenlayerai/apis/hiddenlayer-audit-api.md) · [All operations](https://skmtc.net/hiddenlayerai/apis/hiddenlayer-audit-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/hiddenlayerai/hiddenlayer-audit-api/revisions/d8c55b669109/schema)