Kirin V2 Master - Text to Video

API Notes

kirin_v2_master_t2v generates videos at 720p resolution with 24fps frame rate.

Authentication

authorization string required

All APIs require authentication via Bearer Token.

Get API Key:

Visit API Key Management Page to get your API Key.

Usage:

Add to request header:

Authorization: Bearer YOUR_API_KEY

Parameters

model string required

Model ID to use for the request

Value: kirin_v2_master_t2v

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prompt string required

Video generation prompt, must be provided with length between 1 and 2500 characters

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negative_prompt string

Negative prompt to specify content that should not appear in the generated video, maximum 2500 characters

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aspect_ratio string

Video aspect ratio (width:height)

Options: 16:9, 9:16, 1:1

Default: 16:9

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duration string

Video duration in seconds

Options: 5, 10

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watermark_info array

Whether to generate results with watermarks simultaneously

Defined via the enabled parameter, specific format as follows:

"watermark_info": {
  "enabled": boolean // true for generation, false for no generation
}

Custom watermarks are not currently supported

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callback_url string

Callback notification address for this task result. If configured, the server will actively notify when the task status changes

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external_task_id string

Custom task ID

User-defined task ID, will not overwrite the system-generated task ID when provided, but supports task query via this ID

Please note that uniqueness must be ensured under a single user

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Polling

Since video generation takes time, you need to poll the task status after creation

The initial response returns the task ID and initial status. The actual generation results must be obtained through polling the task status endpoint

Response Format

error object

Error information. Only present when status is failed

code string

Error code

error_message string

Detailed error message

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output array

Generation results. Only present when status is completed

content array

List of generated content

type string

Resource type, e.g., video

url string

Generated content URL

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usage object

Usage statistics. Only present when status is completed

cost string

Total cost in USD

discount number

Discount amount

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metadata object

Metadata information

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Error Codes

Error Code	Description
002016095	Internal generation error
002016096	Result parsing error
002016097	HTTP error response
002016098	Status check error
002016099	Task creation error