---
title: "Submit Trace Feedback"
method: POST
path: "/api/sessions/{session_id}/traces/feedback"
tags: ["traces"]
---

# Submit Trace Feedback

`POST /api/sessions/{session_id}/traces/feedback`

Record human feedback for an execution trace owned by this Session.

## Path parameters

- `session_id` string, uuid, required

## Request body

- TraceFeedbackRequest — One human thumbs assessment for an execution trace.
  - `trace_id` string, required
  - `value` boolean, required
  - `comment` string, nullable

## Response `200`

Successful Response

- TraceFeedbackResponse — Closed public result for a recorded MLflow assessment.
  - `trace_id` string, required
  - `name` 'user_feedback'
  - `value` boolean, required
  - `assessment_id` string, nullable

## Other responses

- `404` — Trace not found
- `422` — Validation Error
- `503` — Trace feedback is unavailable

## Changes

- **2026-09-14** `571850c93e2c` — 2 info
  - added the non-success response with the status `404`
  - added the non-success response with the status `503`
- **2026-09-12** `d3a91954030d` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/qredence/apis/fleet-rlm/changes/api/sessions/:session_id/traces/feedback/post.md)

---

[API](https://skmtc.dev/qredence/apis/fleet-rlm.md) · [All operations](https://skmtc.dev/qredence/apis/fleet-rlm/llms.txt) · [OpenAPI document](https://skmtc.dev/qredence/apis/fleet-rlm/revisions/6109fdb187b9?raw)