Kling 2.6 Pro Motion Control Standard: Seamless Video-to-Video Motion Transfer on playground and API | RunComfy
Transform reference videos into new character animations with kling 2.6 standard model for precise motion control, smooth transitions, and stable output.
Table of contents
1. Get started
Use RunComfy's API to run kling/kling-2-6/motion-control-standard. For accepted inputs and outputs, see the model's schema.
curl --request POST \
--url https://model-api.runcomfy.net/v1/models/kling/kling-2-6/motion-control-standard \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"prompt": "A young american woman dancing",
"image_url": "https://playgrounds-storage-public.runcomfy.net/tools/7301/media-files/input-1-1.png",
"video_url": "https://playgrounds-storage-public.runcomfy.net/tools/7301/media-files/input-1-2.mp4"
}'2. Authentication
Set the YOUR_API_TOKEN environment variable with your API key (manage keys in your Profile) and include it on every request as a Bearer token via the Authorization header: Authorization: Bearer $YOUR_API_TOKEN.
3. API reference
Submit a request
Submit an asynchronous generation job and immediately receive a request_id plus URLs to check status, fetch results, and cancel.
curl --request POST \
--url https://model-api.runcomfy.net/v1/models/kling/kling-2-6/motion-control-standard \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"prompt": "A young american woman dancing",
"image_url": "https://playgrounds-storage-public.runcomfy.net/tools/7301/media-files/input-1-1.png",
"video_url": "https://playgrounds-storage-public.runcomfy.net/tools/7301/media-files/input-1-2.mp4"
}'Monitor request status
Fetch the current state for a request_id ("in_queue", "in_progress", "completed", or "cancelled").
curl --request GET \
--url https://model-api.runcomfy.net/v1/requests/{request_id}/status \
--header "Authorization: Bearer <token>"Retrieve request results
Retrieve the final outputs and metadata for the given request_id; if the job is not complete, the response returns the current state so you can continue polling.
curl --request GET \
--url https://model-api.runcomfy.net/v1/requests/{request_id}/result \
--header "Authorization: Bearer <token>"Cancel a request
Cancel a queued job by request_id, in-progress jobs cannot be cancelled.
curl --request POST \
--url https://model-api.runcomfy.net/v1/requests/{request_id}/cancel \
--header "Authorization: Bearer <token>"4. File inputs
Hosted file (URL)
Provide a publicly reachable HTTPS URL. Ensure the host allows server‑side fetches (no login/cookies required) and isn't rate‑limited or blocking bots. Recommended limits: images ≤ 50 MB (~4K), videos ≤ 100 MB (~2–5 min @ 720p). Prefer stable or pre‑signed URLs for private assets.
5. Schema
Input schema
{
"type": "object",
"title": "Input",
"required": [
"prompt",
"image_url",
"video_url"
],
"properties": {
"prompt": {
"title": "Prompt",
"description": "",
"type": "string",
"default": "A young american woman dancing"
},
"image_url": {
"title": "Image",
"description": "Reference image URL. The characters, backgrounds, and other elements in the generated video are based on this reference image. Characters should have clear body proportions, avoid occlusion, and occupy more than 5% of the image area.",
"type": "string",
"default": "https://playgrounds-storage-public.runcomfy.net/tools/7301/media-files/input-1-1.png"
},
"video_url": {
"title": "Video",
"description": "Reference video URL. The character actions in the generated video will be consistent with this reference video. Should contain a realistic style character with entire body or upper body visible, including head, without obstruction. Duration limit depends on character_orientation: 10s max for 'image', 30s max for 'video'.",
"type": "string",
"default": "https://playgrounds-storage-public.runcomfy.net/tools/7301/media-files/input-1-2.mp4"
},
"keep_original_sound": {
"title": "Keep Original Sound",
"description": "Whether to keep the original sound from the reference video.",
"type": "boolean",
"default": true
},
"character_orientation": {
"title": "Character Orientation",
"description": "Controls whether the output character's orientation matches the reference image or video. 'video': orientation matches reference video �?better for complex motions (max 30s). 'image': orientation matches reference image �?better for following camera movements (max 10s).",
"type": "string",
"enum": [
"image",
"video"
],
"default": "video"
}
}
}Output schema
{
"output": {
"type": "object",
"properties": {
"image": {
"type": "string",
"format": "uri",
"description": "single image URL"
},
"video": {
"type": "string",
"format": "uri",
"description": "single video URL"
},
"images": {
"type": "array",
"description": "multiple image URLs",
"items": { "type": "string", "format": "uri" }
},
"videos": {
"type": "array",
"description": "multiple video URLs",
"items": { "type": "string", "format": "uri" }
}
}
}
}RunComfy is the premier ComfyUI platform, offering ComfyUI online environment and services, along with ComfyUI workflows featuring stunning visuals. RunComfy also provides AI Models, enabling artists to harness the latest AI tools to create incredible art.