Video API
$0.157/second
$1 buys 6.3 seconds
Text to video.
Price is per second. Duration is 3–30 seconds. A 5 second 720p clip is $0.785.
| Resolution | Per second |
|---|---|
| 720p | $0.157 |
| 1080p | $0.235 |
{ "model": "kling-4", "prompt": "describe the shot" }The Kling 4.0 API starting price is $0.157/second. One dollar at that rate buys 6.3 seconds. Credits are US dollars. A higher resolution, a longer clip, audio, or a reference video costs more than the starting price.
Price is per second. Duration is 3–30 seconds. A 5 second 720p clip is $0.785.
The Kling 4.0 API quote uses the options on this page. If an option is not listed, the call is refused instead of charging the starting price. Buying credits does not run the model yet. Generation from the key is not connected, so a paid credit stays in the balance until that call exists.
No. The Kling 4.0 API is usage only. You buy credits, then each accepted quote spends part of that balance.
No. One credit is one US dollar, and unused credits stay on the account.