kling-o1 API

Use the exact kling-o1 model ID through Modelflare asynchronous video routing.

Use the exact model ID kling-o1. The model field must match this page exactly.

Authentication and endpoint

Use a Modelflare API key with https://modelflare.dev/v1. The gateway entry point is POST /v1/videos.

Authorization: Bearer YOUR_MODELFLARE_API_KEY

Create a task

curl https://modelflare.dev/v1/videos \
  -H "Authorization: Bearer YOUR_MODELFLARE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model_name": "kling-o1",
    "prompt": "A white cat runs through a neon-lit street in the rain, cinematic tracking shot",
    "duration": "5", "mode": "std"
  }'

Poll and download

Save the task ID. Poll GET /v1/videos/{task_id} and download with GET /v1/videos/{task_id}/content. Result URLs may expire, so transfer the file promptly.

curl https://modelflare.dev/v1/videos/TASK_ID \
  -H "Authorization: Bearer YOUR_MODELFLARE_API_KEY"

Request notes

Kling uses family-specific model_name, prompt, mode, duration, image_list, or contents/settings fields; native JSON is preserved and forwarded.

Request parameters

Kling Omni/O1 uses model_name, prompt, and media lists. Follow each model’s official constraints when combining image_list, video_list, element_list, multi_shot, and sound.

Field	Required	Notes
model_name	Yes	kling-o1
prompt	Conditional	Required when multi-shot is disabled
mode	No	std / pro
aspect_ratio	Conditional	16:9 / 9:16 / 1:1
duration	No	3–15 seconds (string)
image_list	No	First/end frame, scene, or style references
video_list	No	Video editing or style references
element_list	No	Kling element IDs; this integration does not provide element management
multi_shot	No	Enable multi-shot storyboarding
sound	No	Whether to generate synchronized sound

Input and output limits

O1 supports 720p/1080p, 3–10 seconds, and image/video/element references. Set sound off when video_list is present; 4k and multi-shot are not supported.

Supported scope

This page covers Modelflare model generation and editing calls. Search or map enrichment, voice management, and element-library management are resource APIs outside this public model-call surface and are not required request fields.

Pricing and billing

This model uses per-second video billing. See the model pricing page for the current customer price, reference list price, and complete specification.

This page documents Modelflare’s public interface; the fields and limits shown here are the current contract.