---
title: "Update a timeline item transform"
method: POST
path: "/projects/{projectId}/timeline/transform"
tags: ["Timeline Editing"]
---

# Update a timeline item transform

`POST /projects/{projectId}/timeline/transform`

## Request

- Base URL: `https://blitzreels.com/api/v1`
- URL: `https://blitzreels.com/api/v1/projects/{projectId}/timeline/transform`
- Auth: API key in header `Authorization`

Update a timeline item transform.

## Path parameters

- `projectId` string, required

## Request body

- object
  - `timeline_item_id` string, required
  - `position_x` number
  - `position_y` number
  - `width_px` integer, nullable
  - `height_px` integer, nullable
  - `keep_aspect_ratio` boolean

## Response `200`

Successful response

- object
  - `success` boolean, required
  - `timeline_item_id` string
  - `asset_type` string, nullable
  - `previous` object
    - `position_x` number, nullable, required
    - `position_y` number, nullable, required
    - `width_px` number, nullable, required
    - `height_px` number, nullable, required
    - `keep_aspect_ratio` boolean, nullable, required
  - `updated` object
    - `position_x` number, nullable, required
    - `position_y` number, nullable, required
    - `width_px` number, nullable, required
    - `height_px` number, nullable, required
    - `keep_aspect_ratio` boolean, nullable, required
  - `message` string
  - `error` string

## Other responses

- `400`: Invalid input data
- `401`: Authorization not provided
- `403`: Insufficient access
- `500`: Internal server error

---

[API](https://skmtc.dev/blitzreels/apis/blitzreels-api.md) · [All operations](https://skmtc.dev/blitzreels/apis/blitzreels-api/llms.txt) · [OpenAPI document](https://skmtc.dev/blitzreels/apis/blitzreels-api/revisions/35608b12471d?raw)