keevx-image-to-video

Data & APIs

Convert images to videos using Keevx API with support for multiple models, resolutions up to 4K, audio generation, and batch processing.

Install

openclaw skills install keevx-image-to-video

Keevx Image-to-Video Skill

Convert images to high-quality videos via the Keevx API.

Prerequisites

Set the environment variable KEEVX_API_KEY, obtained from https://www.keevx.com/main/home. Documentation: https://docs.keevx.com

export KEEVX_API_KEY="your_api_key_here"

API Endpoints

Base URL: https://api.keevx.com/v1
Upload image: POST /figure-resource/upload/file (Content-Type: multipart/form-data)
Create task: POST /image_to_video (Content-Type: application/json)
Query status: GET /image_to_video/{task_id}
Auth: All endpoints use Authorization: Bearer $KEEVX_API_KEY
Source identifier: All endpoints require the source: skill Header

Model Selection

Parameter	Model V (General, Recommended)	Model KL (Multi-Reference)
prompt	✅ Required, max 1000 chars	✅ Required
image_url	Required for single-image mode, max 20MB	❌ Not supported
reference_images	Required for multi-image mode, max 3 images, each max 20MB	✅ Required, max 7 images, each max 20MB
aspect_ratio	✅ 16:9 / 9:16	✅ 16:9 / 9:16
aspect_resolution	720p / 1080p / 4k	720p / 1080p
duration	Single-image: 4/6/8s, Multi-image: fixed 8s	5 / 10s
generate_audio	✅ Supported, default false	❌ Not supported
generate_count	Optional 1-4	Optional 1-4
callback_url	Optional	Optional

Model Selection Guide

Choose Model V: When audio is needed, 4K resolution required, single or multi-image input, high quality requirements
Choose Model KL: When multiple reference images are available (2-7), multi-angle showcase needed, product demo videos

Model-Specific Request Bodies

Model V

{
  "model": "V",
  "prompt": "Video description (required, max 1000 chars)",
  "image_url": "https://... (required for single-image mode)",
  "reference_images": ["https://..."],
  "aspect_ratio": "16:9",
  "aspect_resolution": "720p | 1080p | 4k",
  "duration": 4,
  "generate_audio": true,
  "generate_count": 1
}

Model KL

{
  "model": "KL",
  "prompt": "Video description (required)",
  "reference_images": ["https://..."],
  "aspect_ratio": "16:9",
  "aspect_resolution": "720p | 1080p",
  "duration": 5,
  "generate_count": 1
}

Image Input Handling

User-provided images may be URLs or local file paths, handle accordingly:

URL (starts with http:// or https://): Use directly as image_url or reference_images
Local file path: Upload via the upload endpoint first, then use the returned URL

Upload Local File

curl --location 'https://api.keevx.com/v1/figure-resource/upload/file' \
  --header 'Authorization: Bearer $KEEVX_API_KEY' \
  --header 'source: skill' \
  --form 'file=@"/path/to/local/image.png"'

Response example:

{
  "code": 0,
  "success": true,
  "message": { "global": "success" },
  "result": {
    "url": "https://storage.googleapis.com/..../image.png",
    "fileId": "c5a4676a-...",
    "fileName": "image.png"
  }
}

Extract the image URL from result.url for use as image_url or reference_images. For multiple local files, upload each one and collect all URLs.

Quick Examples

Single Image Generation (Model V)

curl -X POST "https://api.keevx.com/v1/image_to_video" \
  -H "Authorization: Bearer $KEEVX_API_KEY" \
  -H "source: skill" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "V",
    "prompt": "Waves crashing on the beach at sunset",
    "image_url": "https://example.com/beach.jpg",
    "aspect_ratio": "16:9",
    "aspect_resolution": "1080p",
    "duration": 6,
    "generate_audio": true
  }'

Multi-Reference Image Generation (Model KL)

curl -X POST "https://api.keevx.com/v1/image_to_video" \
  -H "Authorization: Bearer $KEEVX_API_KEY" \
  -H "source: skill" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "KL",
    "prompt": "City night timelapse, neon lights flickering",
    "reference_images": [
      "https://example.com/city1.jpg",
      "https://example.com/city2.jpg",
      "https://example.com/city3.jpg"
    ],
    "aspect_ratio": "16:9",
    "aspect_resolution": "1080p",
    "duration": 10,
    "generate_count": 2
  }'

Query Task Status

curl -X GET "https://api.keevx.com/v1/image_to_video/i2v-xxxxxxxx" \
  -H "Authorization: Bearer $KEEVX_API_KEY" \
  -H "source: skill"

Response Format

Task Created Successfully

{
  "code": 0,
  "msg": "ok",
  "data": {
    "task_ids": ["i2v-d6b6472bcf724d0399e06d1390cb964e"]
  }
}

Task Query Success

{
  "code": 0,
  "msg": "ok",
  "data": {
    "task_id": "i2v-d6b6472bcf724d0399e06d1390cb964e",
    "status": "SUCCEEDED",
    "video_url": "https://storage.googleapis.com/.../sample_0.mp4",
    "thumbnail_url": "https://storage.googleapis.com/.../thumbnail.webp",
    "error_message": "",
    "duration": 6,
    "width": 1920,
    "height": 1080
  }
}

Status Values

PENDING (queued) / PROCESSING (in progress) / SUCCEEDED (completed) / FAILED (failed)

Failure Response

{
  "code": 100001,
  "msg": "Parameter error: prompt cannot be empty"
}

Callback Notification

Provide callback_url when creating a task. The system will send a POST request to that URL upon task completion:

{
  "code": 0,
  "msg": "ok",
  "task_type": "image_to_video",
  "data": {
    "task_id": "i2v-d6b6472bcf724d0399e06d1390cb964e",
    "status": "SUCCEEDED",
    "video_url": "https://storage.googleapis.com/.../sample_0.mp4",
    "thumbnail_url": "https://storage.googleapis.com/.../thumbnail.webp",
    "error_message": ""
  }
}

Polling Strategy

Video generation may take up to 20 minutes. Recommended: 30-second intervals, max 40 retries.

MAX_RETRIES=40
INTERVAL=30

for i in $(seq 1 $MAX_RETRIES); do
  status=$(curl -s -X GET "$API_BASE/image_to_video/$TASK_ID" \
    -H "Authorization: Bearer $KEEVX_API_KEY" \
    -H "source: skill" | jq -r '.data.status')

  if [ "$status" = "SUCCEEDED" ]; then echo "Success"; break
  elif [ "$status" = "FAILED" ]; then echo "Failed"; break; fi

  sleep $INTERVAL
done

Error Codes

HTTP Status Code	Description
200	Success
400	Parameter error
401	Authentication failed
404	Resource not found
413	Request body too large
429	Rate limit exceeded
500	Internal server error

Business Error Code	Description	Solution
100001	Parameter error	Check parameter format and required fields
100002	Invalid token	Verify API Key is correct and active
100003	Task not found	Verify task_id is correct
100004	Image size exceeded	Compress image to under 20MB
100005	Prompt too long	Shorten prompt to within 1000 characters
100006	Image URL inaccessible	Ensure image URL is publicly accessible
100007	Unsupported image format	Use common formats such as JPG, PNG

Notes

Generated video/thumbnail URLs are retained for 7 days only; download promptly
Max image size: 20MB, supported formats: JPG/PNG/WebP
Max prompt length: 1000 characters
429 error: retry after 30s; 500 error: retry after 10s; network error: retry immediately, max 3 times
Prompt tips: describe subject, scene, action, mood; include visual details (lighting, color, texture)
Narration script: to add narration to the video, use Speak "narration content" in the prompt, e.g. Speak "Welcome to our channel"
Image tips: use high-resolution, subject-focused, evenly-lit, well-composed images