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POST
Submit Hailuo 2.3 Task
  1. After submission, a task_id will be returned. If you provided a callback_url, when the task status becomes finished or failed, a POST request will be sent to the callback_url.
  2. Regardless of whether callback_url is provided, you can retrieve the result through the unified Query Task Status endpoint.

Hailuo 2.3

hailuo-2.3 supports prompt-only generation and optional first-frame guided generation.

Available Model

  • hailuo-2.3 - Text-to-video with optional start_image_url

Required Parameters

  • prompt: Text prompt for video generation

Optional Parameters

  • duration: 6 or 10. Default is 6
  • resolution: 768p or 1080p. Default is 768p
  • start_image_url: Optional first-frame image
  • prompt_optimizer: Optional boolean switch

Notes

  • end_image_url is not supported
  • 1080p only supports duration=6

Authorizations

Authorization
string
header
required

All API endpoints require Bearer Token authentication

Get your API Key:

Visit the API Key Management Page to get your API Key

Add it to the request header:

Body

application/json
model
enum<string>
required

Hailuo 2.3 model identifier

Available options:
hailuo-2.3
input
object
required
callback_url
string<uri>

Webhook callback URL for result notifications

Example:

"https://your-domain.com/callback"

Response

200 - application/json

Task submitted successfully

code
integer
required
Example:

200

data
object
required