Hailuo 2.3 I2V

Hailuo 2.3 generates high-quality videos from images with exceptional instruction following and state-of-the-art extreme physics simulation.

POST /hailuo-2.3-i2v/async

cURL

basic

curl --request POST \
  --url https://api.modellix.ai/api/v1/minimax/hailuo-2.3-i2v/async \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "first_frame_image": "https://example.com/start-frame.jpg"
}
'

200

Example

{
  "code": 0,
  "message": "success",
  "data": {
    "status": "pending",
    "task_id": "task-abc123",
    "model_id": "model-123",
    "get_result": {
      "method": "GET",
      "url": "https://api.modellix.ai/api/v1/tasks/task-abc123"
    }
  }
}

Authorizations

Authorization · string · header · required

API Key authentication. Format: Bearer YOUR_API_KEY.

Body

application/json

first_frame_image · string · required

First frame image URL or Base64 Data URL. Formats: JPG/JPEG/PNG/WebP. Size: <20MB. Dimensions: short side >300px, aspect ratio between 2:5 and 5:2

Minimum string length: 1

Example:

"https://example.com/start-frame.jpg"

prompt · string

Video content description, supports Chinese and English. Supports 15 camera control instructions: [Truck left/right], [Pan left/right], [Push in/Pull out], [Pedestal up/down], [Tilt up/down], [Zoom in/out], [Shake], [Tracking shot], [Static shot]. Use combined commands like [Pan left,Pedestal up] or sequential commands

Required string length: 1 - 2000

Example:

"A bird takes off from the branch [Pedestal up], then flies away [Tracking shot]"

prompt_optimizer · boolean · default: true

Enable automatic prompt optimization to improve video quality

Example:

true

fast_pretreatment · boolean · default: false

Fast pretreatment mode (only effective when prompt_optimizer=true). Speeds up processing with slight quality trade-off

Example:

false

duration · enum<integer> · default: 6

Video duration in seconds. Note: 10 seconds only supports 768P resolution

Available options: 6, 10

Example:

6

resolution · enum<string> · default: 768P

Video resolution. Note: 10 seconds duration only supports 768P, 1080P only supports 6 seconds

Available options: 768P, 1080P

Example:

"768P"

Response

200

application/json

Task submitted successfully

code · integer · required

Response code, 0 indicates success

Example:

0

message · string · required

Response message

Example:

"success"

data · object · required

Detailed data about the submitted asynchronous task.

Show child attributes