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POST
Kling O1 Video
Unified Kling O1 workflow for frame-to-video, image reference generation, video editing, and reference-video continuation.

Authorizations

Authorization
string
header
required

API Key for API endpoints

Body

prompt
string
required

Text prompt for video generation.

first_frame_url
string<uri>
required

Image to use as the first frame of the video.

feature
string

Workflow type: first/last-frame animation, image reference generation, video edit, or reference-video continuation.

Allowed value: "frame-to-video"
quality
enum<string>
default:pro

Generation quality tier.

Available options:
standard,
pro
last_frame_url
string<uri>

Optional image to use as the last frame of the video.

duration
integer
default:5

Video duration in seconds.

Required range: 3 <= x <= 10
{key}
any

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
Frame To Video · 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.