Kling 3.0 4K API
Kling 3.0 4K at $0.714/sec — native 4K Kling video with synced audio and keyframe control.
Kling 3.0 with native 4K output. 3–15 second clips with synced audio, multi-shot prompts, and first/last-frame control — $0.714 per second, audio included.
No credit card required. Takes 30 seconds.
Kling 3.0 4K API pricing
Pay per request from your YepAPI balance — no subscription, no monthly minimum. Prices updated November 1, 2026.
| Billing | Price |
|---|---|
| Rate (4K, audio included) | $0.714/sec |
| What it costs | Per job |
|---|---|
| 5-second cliplowest resolution | $3.57 |
| 10-second cliplowest resolution | $7.14 |
| 100 × 5-second clipsan ad-creative batch | $357.00 |
2,400+
Developers
1.2M+
API calls served
100+
Endpoints
$0.01
Per call
Yep, that's it.
Try it live
Enter a prompt and generate a video with Kling 3.0 4K.
Drop image or click to upload
For image-to-video (first/last frame)
Kling 3.0 4K specs
| Provider | Kling |
|---|---|
| Model ID | kwaivgi/kling-v3.0-4k |
| Endpoint | /v1/media/queue |
| Type | Video Generation |
| Aspect ratios | 16:9, 9:16, 1:1 |
| Durations | 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 seconds |
| Audio | Generated with the video |
| Image input | Yes |
How to get a Kling 3.0 4K API key
- 1
Create a free account
Sign up at yepapi.com with Google or email. It takes about 30 seconds and needs no card.
- 2
Create an API key
Open the dashboard, go to API Keys and create a key. Copy it — it starts with yep_sk_.
- 3
Call Kling 3.0 4K
Send a request to /v1/media/queue with the x-api-key header and model "kwaivgi/kling-v3.0-4k".
- 4
Pay as you go
Usage is billed per request from your balance. Top up any amount; there is no subscription.
Strengths
Renders at 4K directly instead of upscaling, for large screens, broadcast, and footage you plan to crop.
$0.714/sec with or without the synced audio track, which is on by default.
Script several shots in one clip with `multi_shots` and `multi_prompt` in `options.params`, plus `elements` and `cfg_scale`.
Pin the opening and closing frames with uploaded images for controlled transitions.
Quick start
Copy this snippet and start making calls with Kling 3.0 4K.
// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
method: 'POST',
headers: {
'x-api-key': 'YOUR_API_KEY',
'Content-Type': 'application/json',
},
body: JSON.stringify({
"model": "kwaivgi/kling-v3.0-4k",
"prompt": "Aerial shot gliding over a glacier at golden hour, crevasses glowing blue, a tiny line of climbers roped together crossing the ice, crisp 4K detail",
"options": {
"aspectRatio": "16:9",
"duration": "5"
}
}),
});
const { data } = await res.json();
const jobId = data.jobId;
// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${jobId}`, {
headers: { 'x-api-key': 'YOUR_API_KEY' },
});
const { data: job } = await status.json();
// job.status: "pending" | "processing" | "completed" | "failed"
// job.result: { text?, image?, audio?, video? }Kling 3.0 4K vs similar models
Every model below runs on the same API key — switch by changing the model ID.
| Model | Provider | Price |
|---|---|---|
| Kling 3.0 4K | Kling | $0.714/sec (4K, audio included) |
| Kling 2.5 Turbo Standard | Kling | $0.072/sec (image-to-video) |
| Kling 2.6 Pro | Kling | from $0.12/sec (audio off), $0.238/sec (audio on, default) |
| Kling 2.5 Turbo Pro | Kling | $0.12/sec |
| Kling 3.0 Standard | Kling | from $0.144/sec (audio off), $0.216/sec (audio on, default) |
| Kling O3 | Kling | from $0.144/sec (audio off), $0.192/sec (audio on) |
| Seedance 1.0 Pro Fast | ByteDance | from about $0.02/sec (480p), about $0.04/sec (720p), about $0.10/sec (1080p) |
| Grok Imagine Video 1.5 Lite | xAI | from $0.04/sec (480p) |
Why use Kling 3.0 4K through YepAPI?
Kling 3.0 4K API — native 4K AI video
Kling 3.0 4K is the 4K-output version of Kling 3.0. It keeps the 3–15 second range, 16:9, 9:16, and 1:1 framing, synced audio, multi-shot prompts, and first/last-frame conditioning, and renders the result at 4K.
On YepAPI it is billed at $0.714 per second whether audio is on or off. Use Kling 3.0 Standard or Pro to iterate, then switch the `model` string to `kwaivgi/kling-v3.0-4k` for the final render.
Start generating in 30 seconds
$5 free credit on signup. No credit card required. Pay per call.
What developers say
“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”
“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”
“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
Frequently asked questions
Kling 3.0 with native 4K output. 3–15 second clips with synced audio, multi-shot prompts, and first/last-frame control — $0.714 per second, audio included.
Kling 3.0 4K costs $0.714/sec (4K, audio included) through YepAPI, billed per request with no monthly fee. For example, a 5-second clip (lowest resolution) costs about $3.57.
Sign up at yepapi.com (Google or email, about 30 seconds), open the dashboard and create an API key. The same key works for Kling 3.0 4K and every other model — no separate Kling account or waitlist.
New YepAPI accounts in most countries get free signup credit, enough to test Kling 3.0 4K without a card. After that you pay per request at the rates above — there is no subscription.
Use "kwaivgi/kling-v3.0-4k" as the model on /v1/media/queue. The short alias "kling-4k" also works.
Ready to use Kling 3.0 4K?
$5 free credit on signup. No credit card required. Pay per call.
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