---
title: "Move a simulation into a project"
method: PATCH
path: "/v1/simulations/{simulation_id}"
tags: ["Simulations"]
---

# Move a simulation into a project

`PATCH /v1/simulations/{simulation_id}`

Move a simulation into a project. Allowed only when the simulation has no
project yet; it joins the project's latest round (a first round is created
for an empty project). Anything else returns 409.

## Path parameters

- `simulation_id` string, uuid, required

## Headers

- `authorization` string

## Request body

- MoveSimulationBody
  - `project_id` string, uuid, required — Project to move this simulation into. Only allowed when the simulation has no project yet; it joins the project's latest round.

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

## Changes

- **2026-08-14** `79d8db9d1182` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/stainless-api/apis/semilattice-api/changes/v1/simulations/:simulation_id/patch.md)

---

[API](https://skmtc.dev/stainless-api/apis/semilattice-api.md) · [All operations](https://skmtc.dev/stainless-api/apis/semilattice-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/stainless-api/semilattice-api/revisions/79d8db9d1182/schema)