---
title: "Regenerate Pipeline"
method: POST
path: "/pipeline/{session_id}/regenerate"
tags: ["pipeline"]
---

# Regenerate Pipeline

`POST /pipeline/{session_id}/regenerate`

Regenerate specific pipeline steps from cached data.

## Path parameters

- `session_id` string, required

## Request body

- RegenerateRequest — Request to regenerate specific steps from cache.
  - `steps` PipelineStep[], required — Steps to re-run from cache
  - `user_prompt` string, nullable — Override user prompt for regeneration

## Response `202`

Successful Response

- SessionCreated — Response when session is created.
  - `session_id` string, required
  - `status` string
  - `message` string
  - `estimated_duration_minutes` integer, nullable — Estimated completion time

## Other responses

- `422` — Validation Error

---

[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)