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Kling 4.0 Flash

kling-4.0-flash

Generate 720p video with native audio using the Kling 4.0 Flash API. Describe the subject, action, camera movement, and sound in text, or upload a single image as the opening frame of a 3–20 second clip. Draft the opening of a vertical ad, animate a product photo, or preview the timing of a storyboard before filming. Find text-to-video and first-frame request examples, supported parameters, and usage pricing on the model page.

Published price
From $0.094 / second
Billing unit
/ second
Context / Max output
— / —
Listed routes
1

Provider

Call method
Published price $0.094 / second

Request example

POST /v1/videos
curl 'https://api.openany.si/v1/videos' \
  -H "Authorization: Bearer $OPENANY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "input": {
    "prompt": "A paper lantern drifts across a still lake at dusk. The camera follows it slowly as ripples catch the light.",
    "type": "text"
  },
  "model": "kling-4.0-flash",
  "parameters": {
    "aspect_ratio": "16:9",
    "duration": 5,
    "generate_audio": true,
    "n": 1,
    "resolution": "720p"
  },
  "route_mode": "balanced"
}'

Model API questions

How do I call Kling 4.0 Flash through OpenAny?

Use model ID kling-4.0-flash with an OpenAny key and the operation published in this model's API tab. The model API base is https://api.openany.si/v1. Confirm the protocol and request schema; model availability does not imply every OpenAI API operation is supported.

How is Kling 4.0 Flash billed?

Compare the published rate and billing unit of the selected provider route. Input, output and cache token rates may differ. Image, audio and video models can use other units. Recorded usage determines the charge under that route's billing contract.

Are Community and Verified routes the same as an official publisher API?

No. Inspect the provider name and supply classification for the specific route. A marketplace listing or a supply label is not a claim of publisher endorsement, identical service or measured uptime. Different route prices may reflect different supply and conditions.

Where do these prices come from, and when were they updated?

Rates come from the provider routes in OpenAny's public model catalog, not an independent quote from the model publisher. The catalog does not supply a price update timestamp. A page or catalog snapshot date is not a price revision date. Compare supply, billing units, tiers and conditions; a lower listed rate alone does not establish equivalent service or explain the price difference.

Use Kling 4.0 Flash with your agent

Inspect endpoint contracts and confirm availability and pricing before a paid call.