---
title: "Get Tune Status"
method: GET
path: "/tune/{session_id}/status"
tags: ["tune"]
---

# Get Tune Status

`GET /tune/{session_id}/status`

## Path parameters

- `session_id` string, required

## Response `200`

Tune status

- TuneStatus
  - `session_id` string, required
  - `status` string, required
  - `n_trials` integer
  - `max_trials` integer
  - `best_score` number, nullable
  - `best_params` object, nullable
  - `elapsed_seconds` integer, required
  - `can_cancel` boolean, required
  - `error_message` string, nullable — Failure reason for terminal failed tune sessions.
  - `created_at` string, required
  - `updated_at` string, required

## Other responses

- `404` — Session not found

## Changes

- **2026-07-21** `14f08fb85d12` — 1 info
  - added the optional property `error_message` to the response with the `200` status
- **2026-05-27** `bef81aa36f74` — 1 info
  - endpoint added
- **2026-04-29** `0ba9e71b823c` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/nvidia/apis/physics-agent-service/changes/tune/:session_id/status/get.md)

---

[API](https://skmtc.dev/nvidia/apis/physics-agent-service.md) · [All operations](https://skmtc.dev/nvidia/apis/physics-agent-service/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/nvidia/physics-agent-service/revisions/47f3bc191c91/schema)