Catalog/Video/fal

Grok Imagine Extend Video

Edits a video you give it

Liveby fal

Extend videos with xAI's Grok Imagine video model

Ask your agent

Say it in your own words. Your agent picks this tool, fills in the details and brings back the answer.

Use Grok Imagine Extend Video to make this clip look like it was shot at night.

Change the background of this video to a beach.

Reviews

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How it works

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Ask in your own wordsYour agent picks the right tool and fills in the details for you.
Pay only when it worksEach use comes out of your balance. If it fails, you aren't charged.

For developersSummary, tool id, API call and input schema

Video API by fal, callable through Superpowers. It costs $1.94 per 5s clip, charged only when the call succeeds. Call it with one API key: POST /v1/run with "tool": "fal.xai-grok-imagine-video-extend-video", or over MCP with run_tool.

Tool id
Price per call: $1.94 / 5s clip

Call it

Also over MCP as run_tool

curl -X POST https://superpowers.tools/v1/run \
  -H 'Authorization: Bearer $SP_KEY' \
  -d '{"tool":"fal.xai-grok-imagine-video-extend-video","input":{"prompt":"","video_url":""},"idempotency_key":"example-request-1"}'

Input

3 fields · 2 required

{
  "type": "object",
  "required": [
    "prompt",
    "video_url"
  ],
  "properties": {
    "prompt": {
      "type": "string",
      "description": "Text description of what should happen next in the video."
    },
    "duration": {
      "type": "integer",
      "description": "Length of the extension in seconds.",
      "default": 6
    },
    "video_url": {
      "type": "string",
      "description": "URL of the source video to extend. Must be MP4 format (H.264, H.265, or AV1 codec), 2-15 seconds long."
    }
  }
}