Kling AI Video Generation API

Kling is Kuaishou's AI video generation model API — text-to-video and image-to-video, producing 5–10 second high-definition clips.

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Use it when

Strong Chinese-prompt understanding (period style, East Asian faces)

Watch for

Per-generation limited to 5–10 seconds; long videos require stitching

First check

Create an API key in the klingai.com developer console. POST to create a job, then poll job status asynchronously to retrieve the video URL.

Auth

api_key

CORS

HTTPS

Yes

Signup

Protocol

REST

Pricing

paid

Uptime · 30-day window

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About this API

Kling is a video generation large model released by Kuaishou in 2024 — one of the first major Chinese responses to OpenAI Sora. The model uses a DiT (Diffusion Transformer) architecture and has iterated through multiple versions (1.0 / 1.5 / 2.0) with continuous improvements in resolution and duration. Current API capabilities include text-to-video (T2V), image-to-video (I2V), first/last-frame conditioning, and camera-motion control. Developers obtain an API key via klingai.com and pay per generation in credits. Suitable for short-form ads, product demo animations, and creative content workflows. Competitors include Runway, Pika, and Luma Dream Machine; Kling has a notable edge on Chinese prompts and East Asian faces.

What you can build

1Short-form video ad / marketing asset generation
2Animation / film pre-production storyboard visualization
3Image-to-video to animate product shots
4Chinese cultural-context video (period drama, wuxia, etc.)

Strengths & limitations

Strengths

Strong Chinese-prompt understanding (period style, East Asian faces)
Image-to-video and motion consistency among the stronger publicly available models
API is openly accessible (no public waitlist gating)

Limitations

Per-generation limited to 5–10 seconds; long videos require stitching
Complex actions / multi-person interactions still prone to artifacts
Inference takes minutes; synchronous calling is impractical

Example request

Generic template — replace <endpoint> with the real path from the docs.

curl https://kling.ai/<endpoint> \
  -H "Authorization: Bearer $API_KEY"
# Some providers use X-Api-Key instead — verify in the docs.

Getting started

Create an API key in the klingai.com developer console. POST to create a job, then poll job status asynchronously to retrieve the video URL.

FAQ

Kling vs. Sora — which is stronger?+

As of 2026, Sora has a higher ceiling (duration, complex motion), while Kling is more practical for public-API access and Chinese prompts.

Can outputs be used commercially?+

Yes. klingai.com commercial tiers cover commercial licensing; output copyright belongs to the user. Refer to platform terms for specifics.

Technical details

CORS: ?HTTPS: YesSignup: ?Open source: No

Auth type: api_key
Pricing: paid
Rate limit: 按队列限速；并发任务上限随套餐递增
Free tier quota: New developer accounts receive a limited free credit pack on signup. Pricing is credit-based per generation.
Protocols: REST
SDKs: python, javascript