Async video pipeline
Submit createTask once and poll recordInfo — ideal for batch and queue-based apps.

KLING
Validate prompts and parameters before integration — same model and payload as production.
createTask input fields for the default tab.
| Field | Type | Required |
|---|---|---|
| prompt | textarea | Yes |
| aspect_ratio | select (16:9 | 9:16 | 4:3 | 1:1 | 3:4 | 21:9) | No |
| resolution | select (480p | 720p) | No |
| duration | number | No |
| generate_audio | switch | No |
Typical generation previews (actual output varies by prompt).

Why teams choose this model for production workloads.
Submit createTask once and poll recordInfo — ideal for batch and queue-based apps.
Combine prompts with reference images, frames, or audio when the model supports them.
Credits apply only on successful jobs so you can safely retry failed generations.
Core capabilities for this model on the ModKie gateway.

Stable character motion and camera language for ads and short-form video.
Common developer and product use cases for this API.
Turn scripts and prompts into vertical clips for Reels, Shorts, and TikTok.
Animate product stills into lightweight promo videos for ecommerce.
Embed generation behind your own UI with one Kie-compatible jobs contract.
Credits apply per successful job only.
Kling 3.0
35 credits / job
≈ $0.18 USD ($0.01 USD/credit at pack rate)
80 credits per successful job.
Three steps from API key to your first successful job.
Create an API key
Sign in and create a key under Settings → API Keys.
Submit createTask
POST to /api/v1/jobs/createTask with your model id and input payload.
Poll recordInfo
Poll recordInfo until the job completes; download outputs from the response.
Example createTask request
curl -X POST https://modkie.com/api/v1/jobs/createTask \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "kling/kling-3-0",
"input": {
"prompt": "Outdoor terrace of a European villa, by a dining table with a blue and white checkered tablecloth, a young white woman in a blue and white striped short-sleeve shirt and khaki shorts, with a brown belt, sits barefoot, opposite a young white man in a white T-shirt.\n\nThe camera zooms in, the woman swirls the juice in a glass, her eyes looking at the distant woods, and says, \"These trees will turn yellow in a month, won'\''t they?\"\n\nClose-up of the man, he lowers his head and says, \"But they'\''ll be green again next summer.\"\n\nThen the woman turns her head, smiles at the man opposite, and says, \"Are you always this optimistic? Or just about summer?\"\n\nThen the man lifts his head, looks at the woman and says, \"Only about summers with you.\"",
"aspect_ratio": "16:9",
"duration": 5,
"resolution": "720p",
"generate_audio": true
}
}'Poll GET /api/v1/jobs/recordInfo?taskId=… until state is success or fail. Credits apply only on success.
ModKie is more than API relay — deploy, fine-tune, and register custom endpoints on the same gateway.
One API key and jobs contract across marketplace and self-hosted models.
Validate payloads in-browser before shipping to production.
Deploy HuggingFace or custom workers and route traffic through ModKie.
Fine-tune vision models and register weights back into the gateway.
Work with our team on model landing, integration, and production rollout.