Grok Imagine - Video Extend

video Grok Imagine price on request

Request

POST https://app.video-blade.com/api/v1/generations
X-API-Key: vb_…
Content-Type: application/json

{
  "callback_url": "https://your-app.example/callbacks/video-blade",
  "input": {
    "extend_at": 2,
    "extend_times": "\u2026",
    "prompt": "\u2026",
    "task_id": "\u2026"
  },
  "model": "grok-imagine-extend"
}

Input parameters

Name	Type	Required	Description
`task_id`	string	required	Task ID from a previously successful video generation task. Required field. - Must be from a Video Blade video generation model (e.g., grok-imagine/text-to-video) - The original video generation must have completed successfully - Only Video Blade–generated task IDs are supported
`prompt`	string	required	Text instructions describing the required movement of the video. Required field. - Provide a detailed description of how you would like the video to expand and continue. - You can specify camera movements, scene changes, object actions, etc. - The more specific the prompt words are, the more likely the generated effect will match your expectations. - Supports input in both Chinese and English.
`extend_at`	number	required	The starting position of the video extension. Optional field. Default: `2`
`extend_times`	number	required	Duration of video extension (in seconds). Required field. - `6`: Expand 6 seconds of video content - `10`: Expand 10 seconds of video content - The longer the extension duration, the longer the time required for generation - Select the appropriate duration based on the complexity of the scene

Pricing

Price on request; the charge is settled from actual consumption with the video coefficient ×2.0. See Pricing & tokens.