Kling 4.0 API - 30-Second Video with Native Audio
Access the Kling 4.
A cinematic tracking shot of a cyclist racing through a rainy neon city at night, reflections on wet asphalt, synchronized city ambience.
Click to generate in Design Studio →
5
Available Models
99.9%
Uptime SLA
<2s
Avg Latency
$0.930
Starting Price
Capabilities
Text-to-Video
Describe a scene in plain language and get a finished video clip — no editing timeline needed.
Image-to-Video with keyframes
Image-to-Video with keyframes — available through our unified API with no additional setup.
Reference-to-Video
Reference-to-Video — available through our unified API with no additional setup.
Video Edit
Video Edit — available through our unified API with no additional setup.
Video Extend
Video Extend — available through our unified API with no additional setup.
Native audio
Native audio — available through our unified API with no additional setup.
3-30s, 720p/1080p
3-30s, 720p/1080p — available through our unified API with no additional setup.
Examples
Kling 4.0 Text-to-Video
$0.930/req
“A cinematic tracking shot of a cyclist racing through a rainy neon city at night, reflections on wet asphalt, synchronized city ambience.”
Kling 4.0 Image-to-Video
$0.930/req
“The subject comes to life with natural motion as the camera slowly pushes in.”
Kling 4.0 Reference-to-Video
$0.930/req
“@Image1 walks through a sunlit street market, cinematic tracking shot with natural ambience.”
Kling 4.0 Video Edit
$1.110/req
“Turn the scene in @Video1 into a snowy winter evening, keeping the subject and motion.”
Kling 4.0 Video Extend
$0.930/req
“The camera keeps moving forward as the scene continues naturally, with matching sound.”
Integrate in Minutes
One API key, one SDK, instant access to Kling 4.0 API and 50+ other AI models. No infrastructure to manage.
RESTful API
Standard HTTP endpoints — works with any language or framework
Pay-per-request
No subscriptions required — only pay for what you use
Switch models instantly
Change one parameter to use any other model — zero migration
import requests
response = requests.post(
"https://api.hypereal.cloud/v1/videos/generate",
headers={
"Authorization": "Bearer YOUR_API_KEY",
"Content-Type": "application/json"
},
json={
"model": "kling-4-0-t2v",
"prompt": "A cinematic tracking shot of a cyclist racing thro..."
}
)
print(response.json()["output_url"])Why use Hypereal for Kling 4.0 API?
Drop-in OpenAI-compatible API. Pay-as-you-go credits. 50+ models on the same key.
| Hypereal | Other providers | |
|---|---|---|
| API format | OpenAI-compatible REST | Provider-specific SDK |
| Migration time | 2 minutes (base URL swap) | Account setup + billing |
| Pricing | Pay-per-request USD | Subscriptions / quotas |
| Getting started | Pay-as-you-go credits | Varies by provider |
| Other models | 50+ via same key | One model per integration |
| Uptime | 99.9% SLA | Variable |
5 Available Models
Open DashboardKling 4.0 Text-to-Video
Kling 4.0 text-to-video with native audio, 3-30s clips at 720p or 1080p
$0.930Kling 4.0 Image-to-Video
Kling 4.0 image-to-video with first/last frame and up to 8 ordered keyframes
$0.930Kling 4.0 Reference-to-Video
Kling 4.0 reference-to-video guided by images, videos and audio (@Image1, @Video1, @Audio1)
$0.930Kling 4.0 Video Edit
Kling 4.0 video edit: change subjects, setting, weather or style while keeping motion
$1.110Kling 4.0 Video Extend
Kling 4.0 continuation from the last frame of a video, 3-30s new segment with audio
$0.930Related AI Models
Explore more AI models available on Hypereal
Frequently Asked Questions
What is Kling 4.0 API?
Access the Kling 4.0 video API: text-to-video, image-to-video with keyframes, reference-to-video, video edit and video extend, 3-30s at 720p/1080p with native audio.
How much does Kling 4.0 API cost?
Pricing starts at $0.930 per request with pay-as-you-go billing. No subscriptions or minimum commitments required; contact sales for committed-volume terms.
How do I get started with the Kling 4.0 API API?
Sign up for a free Hypereal account, grab your API key from the dashboard, and make your first API call in under 5 minutes. We provide SDKs, documentation, and sample code to get you up and running quickly.
Can I switch between Kling 4.0 API and other models?
Yes! All 50+ models on Hypereal share the same unified API. Switching models is as simple as changing the model parameter in your request — no code changes or migrations needed.
What kind of support do you offer?
We offer documentation, API reference guides, and community support. Enterprise customers get priority support with dedicated account management and custom SLAs.
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