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POST
Kling 3.0
Upto 15s, multi-angle scenes, audio-backed.

Authorizations

Authorization
string
header
required

API Key for API endpoints

Body

prompt
string
required

Text prompt for video generation

duration
integer
default:5

Video duration in seconds

Required range: 3 <= x <= 15
generate_audio
boolean
default:true

Whether to generate audio for the video

quality
enum<string>
default:standard

generation quality

Available options:
standard,
pro
image_url
string<uri>

Optional reference image

first_frame_url
string<uri>

Optional reference image

last_frame_url
string<uri>

Optional reference image

negative_prompt
string | null

Description of what to exclude from the generated video

aspect_ratio
enum<string>
default:16:9

Aspect ratio of the video. Portrait is 720x1280, landscape is 1280x720

Available options:
9:16,
16:9,
1:1
n
integer
default:1

Number of results to generate (1-4)

Required range: 1 <= x <= 4

Response

Generation submission accepted

id
string
required

Generation id.

status
enum<string>
required

Queue status

Available options:
IN_QUEUE,
IN_PROGRESS,
COMPLETED,
FAILED,
CANCELED
input
Input · object
required

Normalized input payload for the generation task.

usage
object
required

Credit usage breakdown for the request

code
string

Machine-readable generation error code. Present when status is FAILED.

message
string

Sanitized human-readable failure message. Present when status is FAILED.