Technical Specifications of kling_extend
| Specification | Details |
|---|---|
| Model ID | kling_extend |
| Model Name | Kling Extend |
| Provider | Kling |
| Category | Video generation / video extension |
| Input Modalities | Image, video, text prompt |
| Output Modalities | Extended video |
| Primary Use Cases | Extending existing video clips, continuing motion sequences, creative video generation workflows |
| API Access | Available through CometAPI |
| Integration Style | Standard API request/response workflow |
| Best For | Developers building apps that continue or expand short-form video content |
What is kling_extend?
kling_extend is a video generation model endpoint on CometAPI for extending existing video content. It is designed for workflows where you already have a source clip or visual starting point and want the model to continue the scene, preserve visual continuity, and generate additional frames that align with the original content.
This makes kling_extend useful for creative tools, media pipelines, prototyping environments, and automated content systems that need to expand short clips into longer sequences. Developers can use it as part of a broader generation pipeline that combines prompt guidance, source media, and post-processing logic.
Main features of kling_extend
- Video continuation: Extends an existing clip by generating additional video that follows the source material.
- Prompt-guided generation: Supports text instructions to influence how the extended sequence should look or evolve.
- Creative workflow support: Fits well into content production pipelines for experiments, storytelling, and media enhancement.
- API-based access: Can be called programmatically through CometAPI for automated applications and backend services.
- Multimodal input potential: Designed for workflows that may involve source visuals plus text guidance.
- Developer-friendly integration: Works within a standard API request pattern, making it easier to integrate into web apps, tools, and internal systems.
How to access and integrate kling_extend
Step 1: Sign Up for API Key
To get started, create a CometAPI account and generate your API key from the dashboard. This key is required to authenticate all requests. Once you have it, store it securely in an environment variable or secrets manager rather than hardcoding it in your application.
Step 2: Send Requests to kling_extend API
Use CometAPI's Kling-compatible endpoint at POST /kling/v1/videos/video-extend.
curl https://api.cometapi.com/kling/v1/videos/video-extend \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $COMETAPI_API_KEY" \
-d '{
"task_id": "your-original-video-task-id",
"prompt": "Continue the scene with a slow camera pan."
}'
Step 3: Retrieve and Verify Results
The API returns a task ID. Poll the task status endpoint to check when the video extension is complete and retrieve the output URL.