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Kling 2.6 API

Kling 2.6 video with audio: voices, sounds and music for the video. From a description or from the first and last frames, 5 or 10 seconds, 720p or 1080p.

Developer: KuaishouModel key in the API: kling_pro

For AI assistants:Download .mdAll documentation .mdOpen as text

Connect in three steps

  1. Get a keyCreate a key in the dashboard after you confirm your email. One key opens every model.
  2. Check the pricePOST /v1/price shows the cost of a run in advance, without charging you.
  3. Run a task and collect the resultPOST /v1/tasks starts a task, GET /v1/tasks/{id} shows its status and files.

Ready-to-use code

Replace YOUR_API_KEY with your key. The code starts a task and waits for the result. In cURL, repeat the second request with the id from the first response instead of TASK_ID until status becomes succeeded.

cURL
curl -X POST "https://api.cyhub.ai/v1/tasks" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  --data '{
  "model": "kling_pro",
  "settings": {
    "model_version": "v2.6",
    "prompt": "Ведущий говорит: «Добро пожаловать на наш канал», и улыбается",
    "start_frame": [
      "https://example.com/host.png"
    ],
    "length": 5
  }
}'

curl "https://api.cyhub.ai/v1/tasks/TASK_ID" \
  -H "Authorization: Bearer YOUR_API_KEY"
Python
import time

import requests

API = "https://api.cyhub.ai/v1"
HEADERS = {"Authorization": "Bearer YOUR_API_KEY"}

body = {
    "model": "kling_pro",
    "settings": {
        "model_version": "v2.6",
        "prompt": "Ведущий говорит: «Добро пожаловать на наш канал», и улыбается",
        "start_frame": [
            "https://example.com/host.png",
        ],
        "length": 5,
    },
}

response = requests.post(f"{API}/tasks", json=body, headers=HEADERS, timeout=60)
response.raise_for_status()
task = response.json()
while task["status"] in ("queued", "running"):
    time.sleep(5)
    task = requests.get(f"{API}/tasks/{task['id']}", headers=HEADERS, timeout=30).json()
print(task["status"], task["result"])
Node.js
const API = "https://api.cyhub.ai/v1";
const HEADERS = { Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json" };

const body = {
  "model": "kling_pro",
  "settings": {
    "model_version": "v2.6",
    "prompt": "Ведущий говорит: «Добро пожаловать на наш канал», и улыбается",
    "start_frame": [
      "https://example.com/host.png"
    ],
    "length": 5
  }
};

async function main() {
  let response = await fetch(`${API}/tasks`, { method: "POST", headers: HEADERS, body: JSON.stringify(body) });
  if (!response.ok) throw new Error(await response.text());
  let task = await response.json();
  while (task.status === "queued" || task.status === "running") {
    await new Promise((resolve) => setTimeout(resolve, 5000));
    response = await fetch(`${API}/tasks/${task.id}`, { headers: HEADERS });
    task = await response.json();
  }
  console.log(task.status, task.result);
}

main();
Get a key

Price before the run

Prices as of 15.10.2026: from 15 ₽. POST /v1/price shows the exact price of your settings.

ModePrice
Kling 2.6from 15 ₽

Send the same settings to POST /v1/price: the response shows the price of the run without charging you.

cURL
curl -X POST "https://api.cyhub.ai/v1/price" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  --data '{
  "model": "kling_pro",
  "settings": {
    "model_version": "v2.6",
    "prompt": "Ведущий говорит: «Добро пожаловать на наш канал», и улыбается",
    "start_frame": [
      "https://example.com/host.png"
    ],
    "length": 5
  }
}'
  • amount_minor: the price of the run in minor units (kopecks for rubles)
  • currency: the wallet currency
  • available_minor: how much your balance has for new tasks right now

Kling 2.6

The version with audio: voices, sounds and music for the video. 5 or 10 seconds.

Value of the model_version field: v2.6

Price in this mode from 15 ₽.

Parameters

Model parameters go inside settings. Omitted optional fields take their default values.

promptRequired

What happens in the video: the action, the camera movement, the mood of the scene.

Type: StringMinimum characters: 1Maximum characters: 5000
start_frameOptional

One URL of the picture the video starts from.

Type: List (String, uri)Maximum items: 1
end_frameOptional

One URL of the picture the video ends with. Only together with a first frame and without audio.

Type: List (String, uri)Maximum items: 1
qualityOptional

Quality: 720p or 1080p, the price depends on it. With audio or a last frame, only 1080p.

Type: StringAllowed values: 720p1080pDefault: "1080p"
lengthOptional

Video length: 5 or 10 seconds. 10 seconds cost twice as much.

Type: IntegerMinimum: 5Maximum: 10Default: 5
aspect_ratioOptional

Aspect ratio of a video without frames. With a first or last frame, the video takes the aspect ratio of the frame.

Type: StringAllowed values: 16:91:19:16Default: "16:9"
native_audioOptional

Audio: a soundtrack that matches the video, with voices, sounds and music. Costs more. Only in 1080p and without a last frame.

Type: BooleanDefault: true

Parameters not listed here are not accepted: the response is 422 unknown_setting.

The API sets these settings itself, do not send them: api_request = true

Input

  • Frames are URLs of JPG or PNG files up to 10 MB: each side at least 300 pixels, aspect ratio from 1:2.5 to 2.5:1.
  • We download the frames ourselves: the link must open without signing in and lead straight to the file, without a redirect.
FieldAcceptsFormatsFilesFile size up to
start_frameImagesjpeg, jpg, png110 MB
end_frameImagesjpeg, jpg, png110 MB
How to send files

Request example

Send this JSON to POST /v1/tasks with your API key. To check the price first, send the same JSON to POST /v1/price.

Animate a picture with sound

JSON
{
  "model": "kling_pro",
  "settings": {
    "model_version": "v2.6",
    "prompt": "Ведущий говорит: «Добро пожаловать на наш канал», и улыбается",
    "start_frame": [
      "https://example.com/host.png"
    ],
    "length": 5
  }
}

The price is calculated when the task is accepted, currency RUB.

Complete generation example

Output

  • One MP4 video, with sound if it is on.
  • Generation usually takes 3-5 minutes.
KindFormatsHow manyNote
videomp41

A finished task as GET /v1/tasks/{id} returns it (some fields left out). The caption may sit on the task or on a single file and may be empty; the model picks the file name.

JSON
{
  "id": "7c9e6679-7425-40de-944b-e07fc1f90ae7",
  "status": "succeeded",
  "finished_at": "2026-10-01T12:03:41+00:00",
  "result": {
    "caption": "Caption of the result: the model and its settings",
    "texts": [],
    "files_expire_at": "2026-10-08T12:03:41+00:00",
    "files_expired": false,
    "artifacts": [
      {
        "index": 0,
        "kind": "video",
        "filename": "video.mp4",
        "size": 12582912,
        "caption": "",
        "download_path": "/v1/tasks/7c9e6679-7425-40de-944b-e07fc1f90ae7/artifacts/0"
      }
    ]
  }
}
How to read the result and download files

See also

Try Kling 2.6 through the API

One key opens every CyHUB model. Payment in rubles, and you see the price before the run.

Get an API key