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// video model

Kling 4.0 Keyframes

by Kuaishou

Text or up to 15 reference items to video with native sound.

video Premium New
from103credits
// capabilities

What Kling 4.0 Keyframes can do

// best for

Where Kling 4.0 Keyframes fits

Character-consistent clips from reference photosKeyframe-ordered story moments
// api

The Kling 4.0 API — in one request

Call the Kling 4.0 API through your SamAutomation key — submit a job with the model_id, then poll until it's done. One key for every model, no per-vendor onboarding or separate billing.

# 1. submit a generation job
POST /api/ai/jobs
{
  "model_id": "kling-4-0-keyframe",
  "prompt": "the person in the photo turns and smiles",
  "image_urls": ["https://example.com/first-frame.jpg"],
  "options": { "aspect_ratio": "16:9", "resolution": "720p", "duration_s": 3 }
}
# → { "success": true, "job_id": 123, "status": "running", "credits_charged": … }

# 2. poll until the video is ready
GET /api/ai/jobs/{job_id}
# → { "job_id": 123, "status": "success", "result_urls": ["…"] }
// questions

Kling 4.0 Keyframes: the questions people ask

Does Kling 4.0 Keyframes have an API?

Yes. On SamAutomation Kling 4.0 Keyframes runs through one endpoint - POST /api/ai/jobs with model_id "kling-4-0-keyframe" - so you do not need a separate account or key with Kuaishou. You submit a job and poll it until the video is ready.

How much does Kling 4.0 Keyframes cost?

Kling 4.0 Keyframes starts at 103 credits per job at its cheapest settings. Longer clips and higher resolution cost more. Credits come with a plan, and the same key also covers JSON-to-video rendering and every other model.

Is Kling 4.0 Keyframes free?

No. Every render costs credits - 103 at the floor for Kling 4.0 Keyframes. Plans bundle monthly credits.

Is Kling 4.0 Keyframes restricted or region-locked?

You reach Kling 4.0 Keyframes through this API with your SamAutomation key, not through Kuaishou's own app, so that app's sign-up and regional availability are not what gates you. The model's own content rules still apply to what you generate.

Where is the official Kling 4.0 Keyframes site?

Kuaishou publishes the model itself; this page is about calling it as an API alongside every other model on one key, which is a different job from their consumer app.

Where is the Kling 4.0 Keyframes API documentation, and is there a download?

There is nothing to download. The Kling 4.0 Keyframes API documentation you need here is our own reference: one endpoint, one key, and the model_id above. Kuaishou publishes its own docs for the model, but those describe their platform, not this one.

Is Kling 4.0 Keyframes available right now?

If it is listed on this page it is active on the platform and you can call it today. Model availability moves — makers retire versions and add tiers — so the list here is the current state rather than a promise about next quarter.

Is there a Kling 4.0 Keyframes SDK, GitHub repo or Python example?

You do not need a vendor SDK here. Kling 4.0 Keyframes is an HTTP call: POST /api/ai/jobs with your key and model_id "kling-4-0-keyframe", then poll the job. Any language that can send JSON can drive it, and the request shape is the same for every model on this platform.

Is Kling 4.0 Keyframes safe to use, and what happens to my input?

The practical questions are the same for every generation service: what the provider may do with what you upload, how long it is kept, and whether it can be used for training. Read that clause before you send client material through any model, ours included. Kuaishou publishes its own terms for the model itself.

Are the Kling 4.0 Keyframes weights open source or on Hugging Face?

That is up to Kuaishou, not to us, and it differs per model and per release. If open weights matter to you, check the maker's own licence. Running it here is renting inference, not getting the weights.

Do I need the Kling 4.0 Keyframes app to use it?

No. The consumer app and the API are separate products with separate limits. Here you call Kling 4.0 Keyframes through this platform, so there is no app to install and no second subscription.

What is Kling 4.0 Keyframes good at?

Text or up to 15 reference items to video with native sound. Pick it when that is the job; a cheaper model wins when it is not.

Generate with Kling 4.0 Keyframes today

One key for JSON-to-video and every AI model — Kling 4.0 Keyframes starts at 103 credits. Documented and ready for your pipeline.