---
title: "Prepare Playback Artifact"
method: POST
path: "/v1/simulate/prepare"
tags: ["Simulate"]
---

# Prepare Playback Artifact

`POST /v1/simulate/prepare`

## Request

- Base URL: `https://api.racehooks.io`
- URL: `https://api.racehooks.io/v1/simulate/prepare`
- Auth: API key in header `Authorization`

Prepare a session for recorded playback — generate its artifact if not already cached.

## Request body

- object
  - `sessionId` string, required

## Response `200`

Default Response

---

[API](https://skmtc.dev/racehooks/apis/racehooks-api.md) · [All operations](https://skmtc.dev/racehooks/apis/racehooks-api/llms.txt) · [OpenAPI document](https://skmtc.dev/racehooks/apis/racehooks-api/revisions/2335b73f46e4?raw)