Video

Kling Video O1 API

Kling Video O1, often searched as Kling O1, is Kuaishou's unified video model. On APIMart it uses model ID kling-video-o1 for text-to-video, image references with <<<image_N>>>, first and last frames and editing an input video, in std (720p) or pro (1080p).

Video EditingImage References720p / 1080p

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Service Highlights

Official Discounts
Pay-as-you-go
Fast & Low Latency

Input

Model

Prompt

49 characters

Mode

Aspect Ratio

Duration5s

Video Refer Type

Keep Original Sound

Image with Roles

First Frame

Last Frame

Reference Image

Reference Video

Content Moderation

Output

Video link valid for 72 hours

Kling Video O1 API Pricing

Transparent pricing with no hidden fees. Pay only for what you use.

Variant	Tier	GoldCurrent price	Platinum	Diamond	Official	Your savings
`kling-video-o1`	720P	0.672Credits(~$0.0672)/sec	0.6384Credits(~$0.0638)/sec	0.6048Credits(~$0.0605)/sec	0.84Credits(~$0.084)/sec	20%
	1080P	0.896Credits(~$0.0896)/sec	0.8512Credits(~$0.0851)/sec	0.8064Credits(~$0.0806)/sec	1.12Credits(~$0.112)/sec	20%
	720P+Video	1.008Credits(~$0.1008)/sec	0.9576Credits(~$0.0958)/sec	0.9072Credits(~$0.0907)/sec	1.26Credits(~$0.126)/sec	20%
	1080P+Video	1.344Credits(~$0.1344)/sec	1.2768Credits(~$0.1277)/sec	1.2096Credits(~$0.121)/sec	1.68Credits(~$0.168)/sec	20%

* Actual costs are subject to final output.

Kling O1 API: Generate and Edit Video with One Model

Use Kling Video O1 through one APIMart API key. Write a prompt, reference images inside it, set first and last frames or pass a video to edit, then pay per second of output.

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Key Features of the Kling O1 API

Every feature below matches the kling-video-o1 parameters in the APIMart docs.

Kling O1 Text to Video

Generate 5- or 10-second clips from a prompt of up to 2,500 characters in 16:9, 9:16 or 1:1.

Image References in the Prompt

Write <<<image_1>>>, <<<image_2>>> in the prompt to place subjects from image_urls into the scene.

First and Last Frames

Use two images, or image_with_roles with first_frame and last_frame, to control how the clip starts and ends.

Kling O1 Video Editing

Send one 3–10 second video in video_list with refer_type base to edit it; the output follows the source length.

Video Feature Reference

Set refer_type to feature to use a video as a reference, optionally with a first-frame image.

Std 720p and Pro 1080p

mode std renders 720p and mode pro renders 1080p, each with its own per-second rate.

Keep the Original Sound

When you pass a video, set keep_original_sound to yes to keep its audio track.

Kling O1 API Pricing

Billed per second. Std, pro and requests with a video input have different rates; this page shows live Gold member prices.

Kling Video O1 Applications

kling-video-o1 delivers premium AI video generation for demanding creative workflows

Premium Marketing Content

Place your product or character from a reference image into new ad scenes with <<<image_N>>> prompts.

Film & Animation

Plan a shot with fixed first and last frames and preview it as a 5- or 10-second clip.

Education & Training

With kling-video-o1, transform complex concepts into visually stunning video explanations for enhanced learning experiences.

E-commerce Display

Showcase products using kling-video-o1's premium video quality that elevates brand perception and drives conversions.

Corporate Communication

kling-video-o1 produces professional corporate videos with the visual quality expected by enterprise clients and stakeholders.

Creative Art Design

Edit an existing clip with a prompt, such as changing the setting or style, while keeping its timing.

Get Started with Kling Video O1

Experience kling-video-o1, the most advanced AI video generation

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→

Configure Parameters

Try text prompts, image references and video editing with kling-video-o1 in the playground above.

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Integrate into Your App

Follow our API documentation to seamlessly integrate kling-video-o1 into your products.

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Kling O1 API Example: Text to Video and Image References

Call kling-video-o1 with one POST request. Generation is asynchronous: submit a task, then poll the task endpoint for the video URL.

1
Authenticate Kling O1 API requests
Save the key you created above in the APIMART_API_KEY environment variable and send it as Authorization: Bearer <key> on every Kling API request.
2
Submit a Kling O1 task
POST /v1/videos/generations with model kling-video-o1, your prompt, mode, duration and aspect_ratio. Add image_urls for image references or video_list to edit a video. The example.com URLs are placeholders: replace them with your own publicly accessible files. The task ID is in data[0].task_id.
3
Get the Kling O1 video result
Poll GET /v1/tasks/{task_id} until status is completed, then read the video URL from data.result.videos[0].url[0] and the final charge from cost. APIMart keeps results for 72 hours, so download the videos you want to keep.
See the Kling Video O1 API reference for every parameter, scenario and response field.

POST /v1/videos/generations

curl -X POST https://api.apimart.ai/v1/videos/generations \
  -H "Authorization: Bearer $APIMART_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "kling-video-o1",
    "prompt": "A paper boat drifts down a rain-soaked city street at dusk, neon reflections on the water, low-angle tracking shot",
    "mode": "std",
    "duration": 5,
    "aspect_ratio": "16:9"
  }'

import os
import time
import requests

API_BASE = "https://api.apimart.ai"
headers = {"Authorization": f"Bearer {os.environ['APIMART_API_KEY']}"}

# 1. Submit the generation task
payload = {
  "model": "kling-video-o1",
  "prompt": "A paper boat drifts down a rain-soaked city street at dusk, neon reflections on the water, low-angle tracking shot",
  "mode": "std",
  "duration": 5,
  "aspect_ratio": "16:9"
}
resp = requests.post(f"{API_BASE}/v1/videos/generations", headers=headers, json=payload, timeout=60)
resp.raise_for_status()
task_id = resp.json()["data"][0]["task_id"]

# 2. Poll the task until it finishes
for _ in range(200):
    task_resp = requests.get(f"{API_BASE}/v1/tasks/{task_id}", headers=headers, timeout=30)
    task_resp.raise_for_status()
    task = task_resp.json()["data"]
    if task["status"] == "completed":
        print(task["result"]["videos"][0]["url"][0])
        break
    if task["status"] == "failed":
        raise RuntimeError(task.get("error", {}).get("message", "generation failed"))
    time.sleep(10)
else:
    raise TimeoutError(f"task {task_id} did not finish in time; continue GET polling with this task ID")

curl -X POST https://api.apimart.ai/v1/videos/generations \
  -H "Authorization: Bearer $APIMART_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "kling-video-o1",
    "prompt": "The character in <<<image_1>>> walks through a snowy forest and waves at the camera, cinematic lighting",
    "mode": "std",
    "duration": 5,
    "image_urls": [
      "https://example.com/character.png"
    ]
  }'

TASK_ID="task_xxx"  # replace with the task_id returned by the POST request
curl "https://api.apimart.ai/v1/tasks/$TASK_ID" \
  -H "Authorization: Bearer $APIMART_API_KEY"

Kling O1 API Parameters

Parameter	Type	Required	Default	Description
`model`	string	Required	Default: kling-video-o1	Use kling-video-o1 for Kling O1.
`prompt`	string	Required	Default: —	Scene description up to 2,500 characters. Refer to images as <<<image_N>>>.
`mode`	string	Optional	Default: std	std (720p) or pro (1080p).
`duration`	integer	Optional	Default: 5	5 or 10 seconds. Send a number, not a quoted string.
`aspect_ratio`	string	Optional	Default: 16:9	16:9, 9:16 or 1:1. An input image may override it.
`image_urls`	array	Optional	Default: —	Public image URLs referenced as <<<image_N>>>. With two images, they are the start and end frames.
`image_with_roles`	array	Optional	Default: —	Images with role first_frame, last_frame or reference. Do not send together with image_urls.
`video_list`	array	Optional	Default: —	Up to 1 video: refer_type base to edit it (3–10 s) or feature to use it as a reference; keep_original_sound yes or no.
`nsfw_check`	boolean	Optional	Default: false	Review the prompt and input images with omni-moderation-latest before submission.

User Reviews for Kling Video O1

Real feedback from kling-video-o1 users worldwide

“The thinking-driven approach in kling-video-o1 really shows. The kling-video-o1 quality difference compared to standard models is immediately noticeable — it's our go-to choice for premium content.”

Sarah Johnson

Creative Director

“kling-video-o1 understands complex prompts better than any other model we've tried. The kling-video-o1 visual coherence and motion quality are outstanding.”

James Liu

Senior Developer

Kling API Model Family

Compare Kling video models on APIMart. Check each model’s availability, capabilities and pricing on its own page.

Model	Best for	Resolution	Duration
Kling 4.0 API	Text, frame and multimodal generation, video editing and extension, always with stereo audio	720P / 1080P	3–30 s
Kling 4.0 Flash API	Faster 720p text, first-frame and reference generation, video editing and extension, always with audio	720P	3–20 s
Kling 3.0 API	Cinematic text-to-video and image-to-video with first/last-frame control and multi-shot prompts	720P / 1080P / 4K	3–15 s
Kling 3.0 Omni API	All-in-one generation from text, images and video, with reference roles and video editing	720P / 1080P / 4K	3–15 s
Kling 3.0 Turbo API	Speed-optimized text-to-video and first-frame image-to-video	720P / 1080P	3–15 s
Kling Video O1 APIThis page	One model for text-to-video, image references, first/last frames and video editing	720P / 1080P	5 s / 10 s
Kling 2.6 API	Native audio (pro mode), dynamic masks and camera control	720P / 1080P	5 s / 10 s
Kling Motion Control 2.6 API	Transfer motion from a reference video onto the subject of your image	720P / 1080P	Follows reference video
Kling 3.0 Motion Control API	Newer Kling 3.0 generation of reference-video motion transfer	720P / 1080P	Follows reference video

Kling O1 API FAQ

Editing, image references, frames, pricing and API integration.

What is the Kling O1 API?

Kling O1 is the common name for Kling Video O1, Kuaishou's model that handles video generation and editing in one interface. On APIMart its model ID is kling-video-o1. You can generate from text, reference images in the prompt, set first and last frames, or edit an existing video.

Is Kling O1 the same as Kling Video O1?

Yes. Kling O1, Kling Video O1 and kling-video-o1 are the same model. It is different from Kling 3.0 Omni (also called Kling O3), which adds 3–15 second durations, 4K, audio and multi-shot prompts.

Can the Kling O1 API edit an existing video?

Yes. Put one video in video_list with refer_type base. The source must be MP4 or MOV, 3–10 seconds, 720–2160 px, 24–60 fps and no larger than 200 MB. The output length follows the source, and start or end frames cannot be set in the same request.

How do image references work in Kling O1?

Add public image URLs to image_urls and refer to them as <<<image_1>>>, <<<image_2>>> in the prompt. If you pass images without any reference, <<<image_1>>> is added to the start of the prompt automatically.

Does Kling O1 support first and last frames?

Yes. The first two items in image_urls are the start and end frames, or use image_with_roles with first_frame and last_frame. Start and end frames are not available when more than two images are passed or when a video is edited.

What durations, resolutions and aspect ratios does Kling O1 support?

duration is 5 or 10 seconds. mode std outputs 720p and mode pro outputs 1080p. aspect_ratio is 16:9, 9:16 or 1:1, and an input image may override it.

Kling O1 API pricing: how is it billed?

Per second of video. Std, pro and requests with a video input have different rates, and the pricing table on this page shows each live price. For generation, multiply the rate by 5 or 10 seconds. For editing with refer_type base, billing follows the source video's actual length (3–10 s), so a 7-second source costs 7 seconds. You only pay for successful requests.

How do I get a Kling Video O1 API key?

Sign up for APIMart, open the API Keys page in your dashboard and create a key. The same key calls the Kuaishou Kling Video O1 API and every other model on the platform, with pay-as-you-go billing and no subscription.

Is there a discount on the Kling Video O1 API?

Yes. The Kling Video O1 API is billed per second of generated video. The pricing table on this page lists every specification and shows the Gold member price, 20% off. Platinum and Diamond members save even more, up to 28%. You only pay for successful requests.

Is the Kling O1 API free?

No. There is no free quota for the Kling O1 API on APIMart. Billing is pay-as-you-go per second, you only pay for successful requests, and member prices start at 20% off.

How do I call the Kling O1 API?

Send POST /v1/videos/generations with model kling-video-o1 and a prompt, plus optional mode, duration, aspect_ratio, image_urls or video_list. Poll GET /v1/tasks/{task_id} until the status is completed and download the video within 72 hours.

Kling O1 vs Kling 3.0 Omni: which should I choose?

Choose Kling O1 for 5- or 10-second clips at 720p or 1080p. Choose Kling 3.0 Omni when you need 3–15 second durations, 4K, audio, multi-shot prompts or subject elements. The family table on this page links to every Kling API model.

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Kling O1 API FAQ

Editing, image references, frames, pricing and API integration.

What is the Kling O1 API?

Is Kling O1 the same as Kling Video O1?

Yes. Kling O1, Kling Video O1 and kling-video-o1 are the same model. It is different from Kling 3.0 Omni (also called Kling O3), which adds 3–15 second durations, 4K, audio and multi-shot prompts.

Can the Kling O1 API edit an existing video?

How do image references work in Kling O1?

Does Kling O1 support first and last frames?

What durations, resolutions and aspect ratios does Kling O1 support?

duration is 5 or 10 seconds. mode std outputs 720p and mode pro outputs 1080p. aspect_ratio is 16:9, 9:16 or 1:1, and an input image may override it.

Kling O1 API pricing: how is it billed?

How do I get a Kling Video O1 API key?

Is there a discount on the Kling Video O1 API?

Is the Kling O1 API free?

No. There is no free quota for the Kling O1 API on APIMart. Billing is pay-as-you-go per second, you only pay for successful requests, and member prices start at 20% off.

Kling Video O1 API

Kling Video O1 API Pricing

Kling O1 API: Generate and Edit Video with One Model

Key Features of the Kling O1 API

Kling Video O1 Applications

Get Started with Kling Video O1

Get API Key

Configure Parameters

Integrate into Your App

Kling O1 API Example: Text to Video and Image References

Authenticate Kling O1 API requests

Submit a Kling O1 task

Get the Kling O1 video result

Kling O1 API Parameters

User Reviews for Kling Video O1

Kling API Model Family

Kling O1 API FAQ

What is the Kling O1 API?

Is Kling O1 the same as Kling Video O1?

Can the Kling O1 API edit an existing video?

How do image references work in Kling O1?

Does Kling O1 support first and last frames?

What durations, resolutions and aspect ratios does Kling O1 support?

Kling O1 API pricing: how is it billed?

How do I get a Kling Video O1 API key?

Is there a discount on the Kling Video O1 API?

Is the Kling O1 API free?

How do I call the Kling O1 API?

Kling O1 vs Kling 3.0 Omni: which should I choose?

Related Models

Latest Kling Video O1 articles

Key Features of the Kling O1 API

Kling Video O1 Applications

Get Started with Kling Video O1

Get API Key

Configure Parameters

Integrate into Your App

User Reviews for Kling Video O1

Kling O1 API FAQ

What is the Kling O1 API?

Is Kling O1 the same as Kling Video O1?

Can the Kling O1 API edit an existing video?

How do image references work in Kling O1?

Does Kling O1 support first and last frames?

What durations, resolutions and aspect ratios does Kling O1 support?

Kling O1 API pricing: how is it billed?

How do I get a Kling Video O1 API key?

Is there a discount on the Kling Video O1 API?

Is the Kling O1 API free?

How do I call the Kling O1 API?

Kling O1 vs Kling 3.0 Omni: which should I choose?

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