---

name: veo3-1-fast-extend-video description: "Veo 3.1 | Fast | Extend Video. Quickly extend an existing video with AI-generated continuation. Triggers: extend video fast, video extension, veo fast, quick extend" allowed-tools: Bash(curl *), WebFetch

Veo 3.1 | Fast | Extend Video

Quickly extend an existing video using Google's Veo 3.1 Fast model. A faster alternative to the standard Veo 3.1 Extend Video, with the same feature set including audio generation and auto-fix.

Quick Start

Requires an each::labs API key. Get one at eachlabs.ai.

curl -X POST https://api.eachlabs.ai/v1/prediction \
  -H "Content-Type: application/json" \
  -H "X-API-Key: $EACHLABS_API_KEY" \
  -d '{
    "model": "veo3-1-fast-extend-video",
    "version": "0.0.1",
    "input": {
      "video_url": "https://example.com/clip.mp4",
      "prompt": "The scene transitions to a wide shot as the sun begins to set",
      "duration": "7",
      "generate_audio": true,
      "resolution": "720p"
    }
  }'

Parameters

Parameter	Type	Default	Description
aspect_ratio	string	auto	The aspect ratio of the generated video. Options: auto, 16:9, 9:16
auto_fix	boolean	false	Whether to automatically attempt to fix prompts that fail content policy.
duration	string	7	The duration of the generated video. Options: 7
generate_audio	boolean	true	Whether to generate audio for the video.
prompt	string	-	The text prompt describing how the video should be extended.
resolution	string	720p	The resolution of the generated video. Options: 720p
video_url	string	-	URL of the video to extend. The video should be 720p or 1080p resolution in 16:9 or 9:16.

Examples

Quick video extension:

curl -X POST https://api.eachlabs.ai/v1/prediction \
  -H "Content-Type: application/json" \
  -H "X-API-Key: $EACHLABS_API_KEY" \
  -d '{
    "model": "veo3-1-fast-extend-video",
    "version": "0.0.1",
    "input": {
      "video_url": "https://example.com/action-scene.mp4",
      "prompt": "The car speeds around the corner and disappears down the highway"
    }
  }'

Extension with auto-fix:

curl -X POST https://api.eachlabs.ai/v1/prediction \
  -H "Content-Type: application/json" \
  -H "X-API-Key: $EACHLABS_API_KEY" \
  -d '{
    "model": "veo3-1-fast-extend-video",
    "version": "0.0.1",
    "input": {
      "video_url": "https://example.com/tutorial-video.mp4",
      "prompt": "The presenter gestures toward the screen and the animation plays",
      "auto_fix": true,
      "generate_audio": true,
      "aspect_ratio": "16:9"
    }
  }'

Related Models

• Veo 3.1 | Extend Video - Standard quality video extension
• Veo 3.1 | Text to Video | Fast - Fast text to video generation
• Veo 3.1 | Image to Video | Fast - Fast image to video generation

Documentation

• each::labs Docs
• API Reference