Kling 3.0 API
Latest Kling — per-second pricing, optional audio.
Integrate Kling 3.0 with a single API call — one key, one unified endpoint, and shared billing across every model on Apiframe.
model: "kling-3.0" What's special about Kling 3.0
- Aspect ratios: 1:1, 9:16, 16:9.
- Generates clips from 3s to 15s.
- Image-to-video and reference-image support.
- Generates natively synchronized audio.
- Fast turnaround — about 150s per generation on average.
- Pay-as-you-go pricing with no Kuaishou account required — you only pay for successful generations.
- One API key, unified billing, idempotency and webhooks across every Apiframe model.
Made with Kling 3.0
A few outputs generated through the Kling 3.0 API on Apiframe.
Drone shot flying over a tropical coastline at sunrise, smooth cinematic motion
A vintage car driving through a rainy neon city at night, reflections on the asphalt
Time-lapse of clouds rolling over a mountain range in warm golden light
Overview
- Endpoint
- POST /v2/videos/generate
- Model ID
- kling-3.0
- Params key
- klingParams
- Modality
- video
- Provider
- Kuaishou
- Pricing
- Pay-as-you-go
- Avg. completion
- ~150s
Capabilities
Quick start
Send a single POST /v2/videos/generate request with your API key to
generate with Kling 3.0. The call returns a jobId you can poll or
receive via webhook.
curl -X POST https://api.apiframe.ai/v2/videos/generate \
-H "X-API-Key: afk_your_api_key_here" \
-H "Content-Type: application/json" \
-d '{
"prompt": "a cinematic sunrise over a futuristic cityscape, smooth camera push-in",
"model": "kling-3.0",
"klingParams": {
"start_image": "https://example.com/input.jpg",
"mode": "pro",
"generate_audio": false,
"end_image": "https://example.com/input.jpg"
}
}'import requests
response = requests.post(
"https://api.apiframe.ai/v2/videos/generate",
headers={
"X-API-Key": "afk_your_api_key_here",
"Content-Type": "application/json",
},
json={
"prompt": "a cinematic sunrise over a futuristic cityscape, smooth camera push-in",
"model": "kling-3.0",
"klingParams": {
"start_image": "https://example.com/input.jpg",
"mode": "pro",
"generate_audio": False,
"end_image": "https://example.com/input.jpg"
}
},
)
print(response.json()) # { "jobId": "...", "status": "QUEUED" }const response = await fetch("https://api.apiframe.ai/v2/videos/generate", {
method: "POST",
headers: {
"X-API-Key": "afk_your_api_key_here",
"Content-Type": "application/json",
},
body: JSON.stringify({
"prompt": "a cinematic sunrise over a futuristic cityscape, smooth camera push-in",
"model": "kling-3.0",
"klingParams": {
"start_image": "https://example.com/input.jpg",
"mode": "pro",
"generate_audio": false,
"end_image": "https://example.com/input.jpg"
}
}),
});
const { jobId } = await response.json();
console.log(jobId);Response & job lifecycle
Generation is asynchronous. A successful submission returns 202 Accepted
with a jobId. Poll GET /v2/jobs/{id} (or supply a
webhook_url) until the status is COMPLETED; the
result field then holds the output URL(s).
1. Submission response (202)
{
"jobId": "b2c3d4e5-f6a7-8901-bcde-f23456789012",
"status": "QUEUED"
}2. Poll for the result
curl https://api.apiframe.ai/v2/jobs/JOB_ID \
-H "X-API-Key: afk_your_api_key_here"import requests, time
while True:
job = requests.get(
"https://api.apiframe.ai/v2/jobs/JOB_ID",
headers={"X-API-Key": "afk_your_api_key_here"},
).json()
if job["status"] in ("COMPLETED", "FAILED"):
break
time.sleep(2)
print(job["result"])let job;
do {
await new Promise((r) => setTimeout(r, 2000));
job = await fetch("https://api.apiframe.ai/v2/jobs/JOB_ID", {
headers: { "X-API-Key": "afk_your_api_key_here" },
}).then((r) => r.json());
} while (job.status !== "COMPLETED" && job.status !== "FAILED");
console.log(job.result);Input schema
Request parameters accepted by the Kling 3.0 endpoint. Model-specific options are nested under the params object shown below.
| Parameter | Type | Required | Default | Allowed / range | Description |
|---|---|---|---|---|---|
| prompt | string | required | — | — | Text description of what to generate. |
| model | string | required | "kling-3.0" | "kling-3.0" | The model identifier for this endpoint. |
| klingParams.start_image | string (URL) | optional | — | — | Use a still as the first frame of the clip. |
| klingParams.mode | string | optional | "pro" | "standard", "pro", "4k" | Mode |
| klingParams.generate_audio | boolean | optional | false | — | Generate audio |
| klingParams.end_image | string (URL) | optional | — | — | Optional last frame to control the ending. |
| klingParams.negative_prompt | string | optional | — | — | Negative prompt |
| klingParams.multi_prompt | string | optional | — | — | Multi-prompt |
Frequently Asked Questions
Common questions about the Kling 3.0 API.
Is there an API for Kling 3.0?
Yes. Apiframe exposes Kling 3.0 through a single REST endpoint (`POST /v2/videos/generate` with `model: "kling-3.0"`). You get one unified API, key, and billing across every supported model — no separate Kuaishou account required.
How much does the Kling 3.0 API cost?
Kling 3.0 uses simple pay-as-you-go pricing on Apiframe — you only pay for successful generations. See the pricing page for plans and volume discounts.
How do I call the Kling 3.0 API?
Send a POST request to `/v2/videos/generate` with your `X-API-Key` and a JSON body containing `model: "kling-3.0"`. The call returns a `jobId`; poll `GET /v2/jobs/{id}` or use a webhook to receive the result.
What parameters does Kling 3.0 support?
Kling 3.0 accepts 6 model-specific parameters (nested under `klingParams`) plus the common `prompt` and `webhook_url` fields. See the input schema above for the full list with types and defaults.
Still have questions?
Start building with the Kling 3.0 API
Get your API key and integrate Kling 3.0 in minutes — Pay-as-you-go.
Questions? Join our Discord or contact sales.