Kling 3.0
Video
Kling 3.0
Frontier model with audio and up to 15s.
POST
Kling 3.0
Pricing
Fixed API prices in USD.
| Mode | Audio | Price |
|---|---|---|
| std | No | $0.1764/sec |
| pro | No | $0.2352/sec |
| std | Yes | $0.2646/sec |
| pro | Yes | $0.3528/sec |
| 4k | No | $0.441/sec |
| 4k | Yes | $0.441/sec |
Deprecated request aliases
Deprecated request aliases
These aliases are accepted for compatibility only and are not shown in the request schema.
| Deprecated | Use instead | Accepted until |
|---|---|---|
startImage | start_image | 2026-06-19 |
aspectRatio | aspect_ratio | 2026-06-19 |
endImage | end_image | 2026-06-19 |
generateAudio | generate_audio | 2026-06-19 |
multiPrompt | multi_prompt | 2026-06-19 |
Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Headers
URL to receive a POST request when the job completes. The webhook will receive the job data including results.
Body
application/json
Maximum string length:
2500Can be an external URL, base64 data URI, or uploaded asset URL.
Maximum string length:
1024Available options:
16:9, 9:16 Required range:
3 <= x <= 15Can be an external URL, base64 data URI, or uploaded asset URL.
Maximum string length:
1024Available options:
std, pro, 4k Response
The resulting job data. This will be returned in a pending state until the job is completed. See /jobs/{id} for retrieving the results.
Pattern:
^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$Available options:
backlogged, queued, scheduled, processing, sampling, intermediate-complete, completed, failed, cancelled Pattern:
^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$