Kling Kling Video O3 Standard Video Edit API | Pricing & Docs

kling/kling-video-o3/standard/video-to-video

Drop in a short clip and describe the change — Kling Video O3 Standard Video Edit returns the edited video with consistent motion, on RunComfy models and HTTP API.

1. Get started

Use RunComfy's API to run kling/kling-video-o3/standard/video-to-video. For accepted inputs and outputs, see the model's schema.

curl --request POST \
  --url https://model-api.runcomfy.net/v1/models/kling/kling-video-o3/standard/video-to-video \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "prompt": "Turn the bouquet into a teddy bear while preserving the original camera motion and lighting.",
    "video": "https://playgrounds-storage-public.runcomfy.net/tools/7360/media-files/input.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-video-o3/standard/video-to-video \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "prompt": "Turn the bouquet into a teddy bear while preserving the original camera motion and lighting.",
    "video": "https://playgrounds-storage-public.runcomfy.net/tools/7360/media-files/input.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 schema",
  "required": [
    "prompt",
    "video"
  ],
  "properties": {
    "prompt": {
      "title": "Prompt",
      "description": "Describe the edit you want — what to add, remove, replace, restyle, or relight in the source clip.",
      "type": "string",
      "default": "Turn the bouquet into a teddy bear while preserving the original camera motion and lighting."
    },
    "video": {
      "title": "Source Video URL",
      "description": "Public URL of the input video to edit. Maximum duration 10 seconds.",
      "type": "string",
      "default": "https://playgrounds-storage-public.runcomfy.net/tools/7360/media-files/input.mp4"
    },
    "images": {
      "title": "Reference Images",
      "description": "Optional reference images that guide the target element, scene, or style. Up to 4 URLs.",
      "type": "array"
    },
    "keep_original_sound": {
      "title": "Keep Original Sound",
      "description": "When enabled, the original audio track of the input video is retained in the edited output.",
      "type": "boolean",
      "default": true
    },
    "shot_type": {
      "title": "Shot Type",
      "description": "Editing mode. Use intelligent for auto-decided edit scope, or customize for prompt-driven manual control.",
      "type": "string",
      "enum": [
        "customize",
        "intelligent"
      ],
      "default": "customize"
    }
  }
}

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

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.

1. Get started

Use RunComfy's API to run kling/kling-video-o3/standard/video-to-video. For accepted inputs and outputs, see the model's schema.

curl --request POST \
  --url https://model-api.runcomfy.net/v1/models/kling/kling-video-o3/standard/video-to-video \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "prompt": "Turn the bouquet into a teddy bear while preserving the original camera motion and lighting.",
    "video": "https://playgrounds-storage-public.runcomfy.net/tools/7360/media-files/input.mp4"
  }'

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-video-o3/standard/video-to-video \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "prompt": "Turn the bouquet into a teddy bear while preserving the original camera motion and lighting.",
    "video": "https://playgrounds-storage-public.runcomfy.net/tools/7360/media-files/input.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)

5. Schema

Input schema

{
  "type": "object",
  "title": "Input schema",
  "required": [
    "prompt",
    "video"
  ],
  "properties": {
    "prompt": {
      "title": "Prompt",
      "description": "Describe the edit you want — what to add, remove, replace, restyle, or relight in the source clip.",
      "type": "string",
      "default": "Turn the bouquet into a teddy bear while preserving the original camera motion and lighting."
    },
    "video": {
      "title": "Source Video URL",
      "description": "Public URL of the input video to edit. Maximum duration 10 seconds.",
      "type": "string",
      "default": "https://playgrounds-storage-public.runcomfy.net/tools/7360/media-files/input.mp4"
    },
    "images": {
      "title": "Reference Images",
      "description": "Optional reference images that guide the target element, scene, or style. Up to 4 URLs.",
      "type": "array"
    },
    "keep_original_sound": {
      "title": "Keep Original Sound",
      "description": "When enabled, the original audio track of the input video is retained in the edited output.",
      "type": "boolean",
      "default": true
    },
    "shot_type": {
      "title": "Shot Type",
      "description": "Editing mode. Use intelligent for auto-decided edit scope, or customize for prompt-driven manual control.",
      "type": "string",
      "enum": [
        "customize",
        "intelligent"
      ],
      "default": "customize"
    }
  }
}

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"
        }
      }
    }
  }
}

Drop in a short clip and describe the change — Kling Video O3 Standard Video Edit returns the edited video with consistent motion, on RunComfy models and HTTP API.

Table of contents

1. Get started

2. Authentication

3. API reference

Submit a request

Monitor request status

Retrieve request results

Cancel a request

4. File inputs

Hosted file (URL)

5. Schema

Input schema

Output schema

Drop in a short clip and describe the change — Kling Video O3 Standard Video Edit returns the edited video with consistent motion, on RunComfy models and HTTP API.

Table of contents

1. Get started

2. Authentication

3. API reference

Submit a request

Monitor request status

Retrieve request results

Cancel a request

4. File inputs

Hosted file (URL)

5. Schema

Input schema

Output schema

Kling Video O3 Standard Video Edit: Prompt-Driven Video Editing on Models and API | RunComfy

Drop in a short clip and describe the change — Kling Video O3 Standard Video Edit returns the edited video with consistent motion, on RunComfy models and HTTP API.

Table of contents

1. Get started

2. Authentication

3. API reference

Submit a request

Monitor request status

Retrieve request results

Cancel a request

4. File inputs

Hosted file (URL)

5. Schema

Input schema

Output schema

Kling Video O3 Standard Video Edit: Prompt-Driven Video Editing on Models and API | RunComfy

Drop in a short clip and describe the change — Kling Video O3 Standard Video Edit returns the edited video with consistent motion, on RunComfy models and HTTP API.

Table of contents

1. Get started

2. Authentication

3. API reference

Submit a request

Monitor request status

Retrieve request results

Cancel a request

4. File inputs

Hosted file (URL)

5. Schema

Input schema

Output schema