---
title: "Cancel Refine"
method: POST
path: "/refine/{session_id}/cancel"
tags: ["refine"]
---

# Cancel Refine

`POST /refine/{session_id}/cancel`

## Path parameters

- `session_id` string, required

## Response `200`

Cancellation requested

## Other responses

- `400` — Cannot cancel from current status
- `404` — Session not found
- `409` — Session is not a refine session

## Changes

- **2026-07-21** `14f08fb85d12` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/nvidia/apis/physics-agent-service/changes/refine/:session_id/cancel/post.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)