> ## Documentation Index
> Fetch the complete documentation index at: https://old-docs.kie.ai/llms.txt
> Use this file to discover all available pages before exploring further.
# Kling - V2.5 Turbo Text to Video Pro
> Generate high-quality videos from text descriptions powered by Kling's advanced AI model
## Query Task Status
After submitting a task, use the unified query endpoint to check progress and retrieve results:
Learn how to query task status and retrieve generation results
For production use, we recommend using the `callBackUrl` parameter to receive automatic notifications when generation completes, rather than polling the status endpoint.
## Related Resources
Explore all available models
Check credits and account usage
## OpenAPI
````yaml market/kling/v2-5-turbo-text-to-video-pro.json post /api/v1/jobs/createTask
openapi: 3.0.0
info:
title: Kling API
description: kie.ai Kling API Documentation - Text to Video
version: 1.0.0
contact:
name: Technical Support
email: support@kie.ai
servers:
- url: https://api.kie.ai
description: API Server
security:
- BearerAuth: []
paths:
/api/v1/jobs/createTask:
post:
summary: Generate videos from text using kling/v2-5-turbo-text-to-video-pro
operationId: kling-v2-5-turbo-text-to-video-pro
requestBody:
required: true
content:
application/json:
schema:
type: object
required:
- model
properties:
model:
type: string
enum:
- kling/v2-5-turbo-text-to-video-pro
default: kling/v2-5-turbo-text-to-video-pro
description: >-
The model name to use for generation. Required field.
- Must be `kling/v2-5-turbo-text-to-video-pro` for this
endpoint
example: kling/v2-5-turbo-text-to-video-pro
callBackUrl:
type: string
format: uri
description: >-
The URL to receive generation task completion updates.
Optional but recommended for production use.
- System will POST task status and results to this URL when
generation completes
- Callback includes generated content URLs and task
information
- Your callback endpoint should accept POST requests with
JSON payload containing results
- Alternatively, use the Get Task Details endpoint to poll
task status
- To ensure callback security, see [Webhook Verification
Guide](/common-api/webhook-verification) for signature
verification implementation
example: https://your-domain.com/api/callback
input:
type: object
description: Input parameters for the generation task
properties:
prompt:
description: >-
The text description of the video you want to generate
(Max length: 2500 characters)
type: string
maxLength: 2500
example: >-
Real-time playback. Wide shot of a ruined city:
collapsed towers, fires blazing, storm clouds with
lightning. Camera drops fast from the sky over burning
streets and tilted buildings. Smoke and dust fill the
air. A lone hero walks out of the ruins, silhouetted by
fire. Camera shifts front: his face is dirty with dust
and sweat, eyes firm, a faint smile. Wind blows, debris
rises. Extreme close-up: his eyes reflect the
approaching enemy. Music and drums hit. Final wide shot:
fire forms a blazing halo behind him — reborn in flames
with epic cinematic vibe.
duration:
description: The duration of the generated video in seconds
type: string
enum:
- '5'
- '10'
default: '5'
example: '5'
aspect_ratio:
description: The aspect ratio of the generated video frame
type: string
enum:
- '16:9'
- '9:16'
- '1:1'
default: '16:9'
example: '16:9'
negative_prompt:
description: >-
Things to avoid in the generated video (Max length: 2500
characters)
type: string
maxLength: 2500
example: blur, distort, and low quality
cfg_scale:
description: >-
The CFG (Classifier Free Guidance) scale is a measure of
how close you want the model to stick to your prompt
(Min: 0, Max: 1, Step: 0.1) (step: 0.1)
type: number
minimum: 0
maximum: 1
default: 0.5
example: 0.5
required:
- prompt
example:
model: kling/v2-5-turbo-text-to-video-pro
callBackUrl: https://your-domain.com/api/callback
input:
prompt: >-
Real-time playback. Wide shot of a ruined city: collapsed
towers, fires blazing, storm clouds with lightning. Camera
drops fast from the sky over burning streets and tilted
buildings. Smoke and dust fill the air. A lone hero walks out
of the ruins, silhouetted by fire. Camera shifts front: his
face is dirty with dust and sweat, eyes firm, a faint smile.
Wind blows, debris rises. Extreme close-up: his eyes reflect
the approaching enemy. Music and drums hit. Final wide shot:
fire forms a blazing halo behind him — reborn in flames with
epic cinematic vibe.
duration: '5'
aspect_ratio: '16:9'
negative_prompt: blur, distort, and low quality
cfg_scale: 0.5
responses:
'200':
description: Request successful
content:
application/json:
schema:
allOf:
- $ref: '#/components/schemas/ApiResponse'
- type: object
properties:
data:
type: object
properties:
taskId:
type: string
description: >-
Task ID, can be used with Get Task Details
endpoint to query task status
example: task_kling_1765184398475
example:
code: 200
msg: success
data:
taskId: task_kling_1765184398475
'500':
$ref: '#/components/responses/Error'
components:
schemas:
ApiResponse:
type: object
properties:
code:
type: integer
enum:
- 200
- 401
- 402
- 404
- 422
- 429
- 455
- 500
- 501
- 505
description: >-
Response status code
- **200**: Success - Request has been processed successfully
- **401**: Unauthorized - Authentication credentials are missing or
invalid
- **402**: Insufficient Credits - Account does not have enough
credits to perform the operation
- **404**: Not Found - The requested resource or endpoint does not
exist
- **422**: Validation Error - The request parameters failed
validation checks
- **429**: Rate Limited - Request limit has been exceeded for this
resource
- **455**: Service Unavailable - System is currently undergoing
maintenance
- **500**: Server Error - An unexpected error occurred while
processing the request
- **501**: Generation Failed - Content generation task failed
- **505**: Feature Disabled - The requested feature is currently
disabled
msg:
type: string
description: Response message, error description when failed
example: success
responses:
Error:
description: Server Error
securitySchemes:
BearerAuth:
type: http
scheme: bearer
bearerFormat: API Key
description: >-
All APIs require authentication via Bearer Token.
Get API Key:
1. Visit [API Key Management Page](https://kie.ai/api-key) to get your
API Key
Usage:
Add to request header:
Authorization: Bearer YOUR_API_KEY
Note:
- Keep your API Key secure and do not share it with others
- If you suspect your API Key has been compromised, reset it immediately
in the management page
````