Add Audio to Draft
capcut_add_audioAdd background music or sound effects to a CapCut draft, with adjustable volume and fade in/out effects.
Instructions
Add audio track to draft with volume and fade effects.
This tool adds background music or sound effects to the video timeline.
Args:
draft_id (string): The draft ID
audio_url (string): URL to audio file (mp3, wav, aac, m4a, flac, ogg)
start (number): Start time in seconds
end (number): End time in seconds
volume (number): Audio volume 0.0-1.0 (default: 1.0)
fade_in (number): Fade in duration in seconds (default: 0)
fade_out (number): Fade out duration in seconds (default: 0)
response_format ('markdown' | 'json'): Output format
Examples:
Add background music: audio_url="https://...", volume=0.5
Add with fade: fade_in=2, fade_out=2
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| draft_id | Yes | The ID of the draft to add audio to | |
| audio_url | Yes | URL to the media file | |
| start | Yes | Start time in seconds | |
| end | Yes | End time in seconds | |
| volume | No | Audio volume (0.0 to 1.0) | |
| fade_in | No | Fade in duration in seconds | |
| fade_out | No | Fade out duration in seconds | |
| response_format | No | Output format: 'markdown' for human-readable or 'json' for machine-readable | markdown |