Is the Kling AI API publicly available in 2026?

Yes — Kling 3.0 is available through ModelsLab via REST. You do not need a separate Kuaishou or Kling account; a single ModelsLab API key covers Kling text-to-video, image-to-video and motion-control endpoints.

How do I generate a Kling video via the API?

POST to /api/v7/videos/text-to-video with model_id "kling-3" and a prompt, or POST to /api/v7/videos/image-to-video with model_id "kling-3" plus an init image and motion prompt. The API returns an MP4 URL.

How much does the Kling 3.0 API cost?

From $0.20 per generated clip on ModelsLab. Pricing depends on duration (5s vs 10s) and resolution. Webhook support means you only pay for completed jobs and can poll asynchronously.

Does ModelsLab support Kling motion control?

Yes. The motion-control endpoint accepts a reference video describing the camera or subject motion and applies it to your image input. Use it for product spins, character animations and consistent camera moves across shots.

Can I use Kling 3.0 alongside Veo 3 and Seedance via the same API?

Yes — ModelsLab exposes Kling 3.0, Google Veo 3, ByteDance Seedance 2 and Runway Gen-4 through the same /videos endpoints. Switch model_id to compare quality, latency and cost on the same prompt.

How long does a Kling 3.0 generation take?

Typically 60–180 seconds per 5–10s clip depending on resolution. Use webhooks (pass webhook_url in the request) so your worker is notified when generation completes instead of polling.

Is there a free tier to try the Kling API?

Yes — new accounts receive free credits to test Kling, Veo and Seedance video generation before adding payment. No credit card required to sign up.

Does the Kling 3.0 API support lip-sync video?

Yes. ModelsLab exposes Kling lip-sync at /api/v7/videos/lip-sync with model_id "kling-3-lipsync" — pass an input video and an audio track and the API returns the talking-head video with synced mouth movement.

What resolutions and durations does Kling 3.0 support?

720p and 1080p output at 5s or 10s durations. Use the resolution and duration parameters to pick — higher resolution and longer duration scale price linearly. Aspect ratios 16:9, 9:16, 1:1 and 4:3 are supported.

Does Kling 3.0 have a public Kuaishou API in 2026?

Kuaishou exposes Kling via their own platform but with regional restrictions and a separate billing relationship. ModelsLab gives you Kling 3.0 through the same REST API as Veo, Seedance, Runway and Pika — one key, one bill, no region limits.

Imagen

Kling 3.0 API AI Video Generation for Developers

Kling 3.0 API for text-to-video, image-to-video, and motion-controlled cinematic clips. One REST endpoint, predictable pricing, no cold starts. Webhook delivery for async video generation.

Get Kling 3.0 API Access API Documentation

What is the Kling AI API?

Kling AI, exposed as a developer video API

Kling AI is Kuaishou's family of cinematic video generation models, including Kling 3.0 and Kling 2.6 with motion control. The models produce high-fidelity 5–10 second clips from a text prompt or a reference image, with controllable camera motion, subject trajectory, and aspect ratio.

The ModelsLab Kling AI API exposes Kling 3.0 and Kling 2.6 motion control as one REST endpoint so developers can ship cinematic video features inside SaaS apps, marketing platforms, and creative tools without managing GPU clusters or wiring up Kuaishou's vendor SDK directly.

When to use the Kling AI API

Use the Kling AI API when you need cinematic-quality video output with motion control — pan, tilt, zoom, subject trajectory — exposed through a clean REST surface. Kling 3.0 is the right choice for short-form social, ads, product video, and storyboard previs.

Text-to-video at 720p and 1080p with cinematic motion
Image-to-video to animate a still photo or product shot
Motion control for explicit camera movement and subject trajectory
5–10 second clip durations, MP4 output via CDN URL
Webhook callback for async generation — no long-polling required
Pay-per-second pricing, no monthly minimum

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Available AI APIs

Kling AI API quick start

Generate cinematic video clips from a text prompt or a reference image with one POST request.

Python — text-to-video with Kling 3.0

Python

1import requests
2
3response = requests.post(
4    "https://modelslab.com/api/v6/video/text2video",
5    json={
6        "key": "YOUR_API_KEY",
7        "model_id": "kling-3.0",
8        "prompt": "a slow dolly-in on a vintage red sports car parked at sunset, cinematic 35mm",
9        "negative_prompt": "low quality, blurry",
10        "height": 1080,
11        "width": 1920,
12        "num_frames": 121,
13        "fps": 24
14    }
15)
16
17# Returns webhook payload with the final MP4 URL when complete
18print(response.json())

JavaScript — image-to-video with motion control

JavaScript

1const response = await fetch('https://modelslab.com/api/v6/video/img2video', {
2  method: 'POST',
3  headers: { 'Content-Type': 'application/json' },
4  body: JSON.stringify({
5    key: 'YOUR_API_KEY',
6    model_id: 'kling-2.6-motion-control',
7    init_image: 'https://example.com/product.png',
8    prompt: 'slow orbit around the product, soft studio lighting',
9    motion_control: { pan: 0.4, tilt: 0.0, zoom: 0.2 },
10    num_frames: 121,
11    fps: 24,
12    webhook: 'https://your-app.com/webhooks/kling',
13  }),
14});
15
16const data = await response.json();
17console.log(data);

cURL — motion-controlled trajectory

bash

1curl -X POST 'https://modelslab.com/api/v6/video/text2video' \
2  -H 'Content-Type: application/json' \
3  -d '{
4    "key": "YOUR_API_KEY",
5    "model_id": "kling-2.6-motion-control",
6    "prompt": "a hummingbird hovering over a flower, then darting forward",
7    "motion_control": {
8      "trajectory": [
9        {"frame": 0, "subject_x": 0.5, "subject_y": 0.5},
10        {"frame": 60, "subject_x": 0.7, "subject_y": 0.4},
11        {"frame": 120, "subject_x": 0.9, "subject_y": 0.3}
12      ],
13      "zoom": 0.1
14    },
15    "num_frames": 121,
16    "fps": 24
17  }'

Kling AI API endpoints

REST endpoints for programmatic video generation with motion control, text-to-video, and image-to-video.

Text-to-video endpoint

POST /v6/video/text2video — generate videos from text prompts. Submit a natural-language description with optional motion control parameters and receive webhook notifications when generation completes. Returns video URL with metadata.

Image-to-video endpoint

POST /v6/video/img2video — animate a still image into video. Upload an image URL or base64 file with motion instructions. The API processes the image and applies physics-based animation while preserving subject identity.

Motion control endpoint

Specify precise camera movements and subject trajectories in your request. Define horizontal pan, vertical tilt, zoom parameters, and per-frame subject positions using structured JSON for full cinematic control.

Webhook callbacks

Async processing with webhook notifications. Submit generation requests and receive callbacks when processing completes — includes status updates, error handling, and the final MP4 URL.

Multiple resolutions

Generate 720p and 1080p clips at 24fps or 30fps. Aspect ratios include 16:9 (landscape), 9:16 (portrait for short-form social), and 1:1 (square for ad formats).

Enterprise-grade video generation API with consistent uptime, fast processing, and predictable pay-per-second pricing.

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Kling 3.0 vs Kling 2.6 motion control

What changed between Kling 3.0 and Kling 2.6 motion control. Both are exposed via the same ModelsLab endpoint.

Capability	Kling 3.0	Kling 2.6 motion control
Max resolution	1080p	720p / 1080p
Max clip length	10 seconds	10 seconds
Frame rate	24 / 30 fps	24 fps
Camera motion control	Pan / tilt / zoom	Pan / tilt / zoom + trajectory
Subject trajectory keyframes	Implicit via prompt	Per-frame positions
Best for	High-fidelity hero shots	Precise camera & subject control
ModelsLab model_id	kling-3.0	kling-2.6-motion-control

Specs based on Kuaishou public release notes for Kling 3.0 (2026) and Kling 2.6 motion control.

Motion control parameters

Camera and subject motion knobs accepted by the Kling motion-control endpoint.

Parameter	Range	Effect
pan	-1.0 to 1.0	Horizontal camera movement (negative left, positive right)
tilt	-1.0 to 1.0	Vertical camera movement (negative down, positive up)
zoom	-1.0 to 1.0	Zoom out (negative) or in (positive)
roll	-1.0 to 1.0	Camera rotation around the optical axis
trajectory[]	array	Per-frame subject_x / subject_y positions for explicit subject motion

How to use the Kling AI API

Integrate AI video generation in three simple steps.

STEP 01

Step 1: Get your API key

Sign up for ModelsLab and grab your API key from the dashboard. The same key works across image, video, audio, and LLM endpoints. No credit card required to start.

STEP 02

Step 2: Send your video request

POST to the Kling endpoint with your text prompt or image URL. Include motion control parameters, aspect ratio, duration, and a webhook URL in the JSON body.

STEP 03

Step 3: Receive the video URL

Get the MP4 URL via webhook callback when generation completes. Videos are CDN-distributed for fast download or streaming. Typical generation time is 60–120 seconds for a 5-second clip.

Get Kling 3.0 API Key

Why teams use the ModelsLab Kling AI API

Key advantages that set us apart

Kling 3.0 and Kling 2.6 motion control on one REST endpoint

Text-to-video and image-to-video supported

Pan, tilt, zoom, roll, and per-frame trajectory control

Webhook callbacks for async video delivery

720p and 1080p output, 24/30 fps, all common aspect ratios

Pay-per-second pricing — no subscription required

Predictable response times on dedicated GPU pool

Python and JavaScript SDKs plus full OpenAPI spec

CDN-distributed MP4 delivery for fast download

Integrated with image, audio, and LLM APIs in the same dashboard

24/7 developer support and SLA-backed uptime for enterprise

GDPR-compliant — generated videos auto-deleted after 7 days

Our Popular Use Cases

B2B applications powered by the Kling AI API:

Build video creation SaaS products with Kling AI as the generation engine. Offer text-to-video, image animation, and motion control to your users without managing GPU infrastructure.

Kling AI API — frequently asked questions

Related developer APIs

Kling AI Playground

Try Kling AI in the online video playground

Text to Video API

Wan, Seedance, Veo and more video models

Image Generation API

Generate reference images for image-to-video flows

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ModelsLab GDPR Compliance Certification Badge

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AI Image API Pricing Starting at $0.0047 Per Image

ModelsLab offers a free tier with pay-as-you-go pricing, a Standard plan at $47/month for 10,000 API calls, and a Premium plan at $199/month with unlimited calls. All plans include access to Flux, SDXL, Stable Diffusion 3, and 10,000+ community models. Cancel anytime.