---
title: "Update nodes in bulk"
method: PATCH
path: "/api/v1/canvases/{canvasId}/direct/nodes/bulk"
tags: ["node"]
---

# Update nodes in bulk

`PATCH /api/v1/canvases/{canvasId}/direct/nodes/bulk`

## Path parameters

- `canvasId` string, uuid, required

## Request body

- object
  - `nodes` object[], required
    - `nodeId` string, uuid, required
    - `geometry` object
      - `x` number, required
      - `y` number, required
      - `w` number, required
      - `h` number, required
      - `zIndex` number
    - `nodeType` 'text' | 'image' | 'video' | 'audio' | 'file' | 'group' | 'custom_text' | 'pdf' | 'composite' | 'stitch' | 'magic_resize'
    - `title` string
    - `groupId` string, uuid, nullable
    - `modelConfig` object, nullable
      - `model` string, required
      - `variant` string, required
      - `tier` string, nullable
      - `font` object
        - `source` 'custom' | 'google', required
        - `familyName` string, required
    - `textPrompt` string, nullable
    - `text` string
    - `outputAspectRatio` '21:9' | '16:9' | '4:3' | '5:4' | '3:2' | '1:1' | '2:3' | '3:4' | '4:5' | '9:16' | '9:21', nullable
    - `outputDuration` integer, nullable
    - `outputResolution` union
      - '360p' | '480p' | '540p' | '580p' | '720p' | '1080p' | '1440p' | '2160p' | '4k' | '0.5K' | '1K' | '2K' | '4K' | '1k' | '2k'
      - string
    - `matchAudioToVideoDuration` boolean, nullable
    - `seed` integer, nullable
    - `negativePrompt` string, nullable
    - `stitchClipOrder` string[], nullable
    - `stitchScaleFit` 'fit' | 'stretch', nullable
    - `stitchAudioOverlays` object[], nullable
      - `nodeId` string, required
      - `startTimeSeconds` number, required
      - `trimStartMs` integer
      - `trimEndMs` integer
    - `stitchClipTrims` object, nullable
    - `voiceId` string, nullable
    - `customVoiceId` string, uuid, nullable

## Response `200`

200

- object
  - `nodes` object[], required
    - `id` string, uuid, required
    - `nodeType` 'text' | 'image' | 'video' | 'audio' | 'file' | 'group' | 'custom_text' | 'pdf' | 'composite' | 'stitch' | 'magic_resize', required
    - `geometry` object, required
      - `x` number, required
      - `y` number, required
      - `w` number, required
      - `h` number, required
      - `zIndex` number
    - `groupId` string, uuid, nullable, required
    - `title` string, required
    - `autoModel` boolean, nullable
    - `fastModel` boolean, nullable
    - `modelConfig` object, nullable, required
      - `model` string, required
      - `variant` string, required
      - `tier` string, nullable
      - `ratios` string[]
      - `resolution` string
      - `voiceId` string
      - `customVoiceId` string, uuid
      - `font` object
        - `source` 'custom' | 'google', required
        - `familyName` string, required
    - `textPrompt` string, nullable, required
    - `outputAspectRatio` '21:9' | '16:9' | '4:3' | '5:4' | '3:2' | '1:1' | '2:3' | '3:4' | '4:5' | '9:16' | '9:21', nullable, required
    - `outputDuration` integer, nullable, required
    - `outputResolution` union, required
      - '360p' | '480p' | '540p' | '580p' | '720p' | '1080p' | '1440p' | '2160p' | '4k' | '0.5K' | '1K' | '2K' | '4K' | '1k' | '2k'
      - string
    - `matchAudioToVideoDuration` boolean, nullable
    - `seed` integer, nullable, required
    - `negativePrompt` string, nullable, required
    - `stitchClipOrder` string[], nullable
    - `stitchScaleFit` 'fit' | 'stretch', nullable
    - `stitchAudioOverlays` object[], nullable
      - `nodeId` string, required
      - `startTimeSeconds` number, required
      - `trimStartMs` integer
      - `trimEndMs` integer
    - `stitchClipTrims` object, nullable
    - `voiceId` string, nullable
    - `customVoiceId` string, nullable
    - `elevenLabsVoiceSettings` object, nullable
      - `speed` number
      - `stability` number
      - `similarityBoost` number
      - `style` number
      - `speakerBoost` boolean
      - `removeBackgroundNoise` boolean
      - `outputFormat` 'mp3_44100_128' | 'mp3_44100_192' | 'mp3_22050_32' | 'pcm_16000' | 'pcm_22050' | 'pcm_24000' | 'pcm_44100'
    - `src` string, nullable, required
    - `previewSrc` string, nullable, required
    - `mediaType` 'image' | 'video' | 'audio' | 'pdf', nullable, required
    - `generatedText` string, nullable, required
    - `activeVersionId` string, uuid, nullable, required
    - `assetDurationInMs` integer, nullable, required
    - `createdByUserId` string, uuid, nullable, required

## Other responses

- `401` — Missing, invalid, expired, or revoked API key.
- `403` — The API key's user is not a member of the requested team.
- `404` — 404
- `409` — 409
- `429` — Rate limit reached — retry after the `Retry-After` header.

---

[API](https://skmtc.net/melius/apis/melius-api.md) · [All operations](https://skmtc.net/melius/apis/melius-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/melius/melius-api/versions/c48e2a9e4b72/schema)