> ## Documentation Index
> Fetch the complete documentation index at: https://docs.linkmodel.ai/llms.txt
> Use this file to discover all available pages before exploring further.
# kling-v3
> Kuaishou's unified multimodal video model with native 4K/60fps output, AI Director multi-shot storyboarding, multilingual native audio, and ultimate character consistency, unifying video understanding, generation, and editing in one workflow.
| | |
| --- | --- |
| **Provider** | Kling |
| **Tasks** | text-to-video · image-to-video |
| **Starting from** | 0.0610 USD / second · Pricing details |
## OpenAPI
````yaml /openapi/video/kling-v3.yaml post /video-generation
openapi: 3.0.3
info:
title: kling-v3
version: 1.0.0
description: >-
Kuaishou's unified multimodal video model with native 4K/60fps output, AI
Director multi-shot storyboarding, multilingual native audio, and ultimate
character consistency, unifying video understanding, generation, and editing
in one workflow.
servers:
- url: https://api.linkmodel.ai/api/v1
description: Production
security:
- bearerAuth: []
tags:
- name: Kling
- name: video
paths:
/video-generation:
post:
tags:
- Kling
- video
summary: kling-v3
description: >
Kuaishou's unified multimodal video model with native 4K/60fps output,
AI Director multi-shot storyboarding, multilingual native audio, and
ultimate character consistency, unifying video understanding,
generation, and editing in one workflow.
| | |
| --- | --- |
| **Provider** | Kling |
| **Tasks** | text-to-video · image-to-video |
| **Starting from** | 0.0610 USD / second · Pricing details |
operationId: kling-v3
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
model:
type: string
enum:
- kling-v3
description: 'Must be one of: kling-v3.'
prompt:
type: string
minLength: 1
maxLength: 2500
description: Length must be between 1 and 2500.
first_frame_image:
type: string
format: url
description: Provide a reference image to run in image-to-video mode.
last_frame_image:
type: string
format: url
description: End frame for i2v mode only.
resolution:
type: string
enum:
- 1080P
- 720P
default: 720P
description: 'Must be one of: 1080P, 720P. Defaults to `720P`.'
duration:
type: integer
enum:
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
default: 5
description: >-
Must be one of: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15.
Defaults to `5`. Value is in s.
size:
type: string
enum:
- 16x9
- 1x1
- 9x16
default: 16x9
description: Video aspect ratio. Defaults to `16x9`.
extends:
type: object
extends.audio:
type: boolean
default: false
description: Defaults to `false`.
extends.cfg_scale:
type: number
default: 0.5
minimum: 0
maximum: 1
description: Must be between 0 and 1. Defaults to `0.5`.
extends.negative_prompt:
type: string
maxLength: 2500
description: Length must be at most 2500.
required:
- model
- prompt
- resolution
responses:
'200':
description: Task accepted and queued for generation.
content:
application/json:
schema:
type: object
properties:
code:
type: integer
example: 0
data:
type: object
properties:
task_id:
type: string
format: uuid
description: Use this id to poll task status.
example: cb6111cf-e89f-4978-b8e3-aa59c21cceff
order_id:
type: string
format: uuid
description: Billing order id.
example: 019da9cf-d1db-78e1-ac23-526774d01193
status:
type: string
enum:
- processing
- succeeded
- failed
example: processing
price:
type: number
description: Charged amount in the model's pricing currency.
example: 0.074
msg:
type: string
example: success
request_id:
type: string
format: uuid
example: 250b66dd-e1fb-4bb6-b5f6-c668efadc35d
'400':
description: Bad request — invalid or missing parameter.
content:
application/json:
schema:
type: object
properties:
code:
type: integer
example: 400
msg:
type: string
example: task_id is required
request_id:
type: string
format: uuid
example: 96be7a7d-3e81-4916-a6b8-19b32773a693
'401':
description: Unauthorized — missing or invalid API key.
content:
application/json:
schema:
type: object
properties:
code:
type: integer
example: 401
data:
type: object
example: {}
msg:
type: string
example: invalid api key
request_id:
type: string
format: uuid
example: bff4c295-c7da-4507-9708-4627cb6373ba
'500':
description: Internal error — task creation failed (e.g. insufficient balance).
content:
application/json:
schema:
type: object
properties:
code:
type: integer
example: 500
msg:
type: string
example: >-
create task failed: billing: code=100601: insufficient
balance
request_id:
type: string
format: uuid
example: 3409f6fb-fa9a-4534-b530-195b5f6f4e32
components:
securitySchemes:
bearerAuth:
type: http
scheme: bearer
bearerFormat: JWT
````