YepAPI
KlingVideo Generation/v1/media/queue

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.

BillingPrice
Rate (4K, audio included)$0.714/sec
What it costsPer 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.

POST/v1/media/queue

Drop image or click to upload

For image-to-video (first/last frame)

Response
Hit "Send Request" to see the response

Kling 3.0 4K specs

ProviderKling
Model IDkwaivgi/kling-v3.0-4k
Endpoint/v1/media/queue
TypeVideo Generation
Aspect ratios16:9, 9:16, 1:1
Durations3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 seconds
AudioGenerated with the video
Image inputYes

How to get a Kling 3.0 4K API key

  1. 1

    Create a free account

    Sign up at yepapi.com with Google or email. It takes about 30 seconds and needs no card.

  2. 2

    Create an API key

    Open the dashboard, go to API Keys and create a key. Copy it — it starts with yep_sk_.

  3. 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. 4

    Pay as you go

    Usage is billed per request from your balance. Top up any amount; there is no subscription.

Strengths

✓
Native 4K

Renders at 4K directly instead of upscaling, for large screens, broadcast, and footage you plan to crop.

✓
Audio at no extra cost

$0.714/sec with or without the synced audio track, which is on by default.

✓
Multi-shot prompts

Script several shots in one clip with `multi_shots` and `multi_prompt` in `options.params`, plus `elements` and `cfg_scale`.

✓
First & last frame control

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.

ModelProviderPrice
Kling 3.0 4KKling$0.714/sec (4K, audio included)
Kling 2.5 Turbo StandardKling$0.072/sec (image-to-video)
Kling 2.6 ProKlingfrom $0.12/sec (audio off), $0.238/sec (audio on, default)
Kling 2.5 Turbo ProKling$0.12/sec
Kling 3.0 StandardKlingfrom $0.144/sec (audio off), $0.216/sec (audio on, default)
Kling O3Klingfrom $0.144/sec (audio off), $0.192/sec (audio on)
Seedance 1.0 Pro FastByteDancefrom about $0.02/sec (480p), about $0.04/sec (720p), about $0.10/sec (1080p)
Grok Imagine Video 1.5 LitexAIfrom $0.04/sec (480p)

Why use Kling 3.0 4K through YepAPI?

✓One API key for all models — no separate accounts
✓No monthly minimums — pay per call
✓Switch models with one line of code
✓Simple REST API — works from any language
✓Unified billing across all providers
✓No rate limits for most use cases

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.”

Marcus T.

SEO Platform Founder

“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”

Priya S.

Full-Stack Developer

“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”

Jake R.

Indie Hacker

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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