Veo 3.1 Lite I2V - Modellix

curl --request POST \ --url https://api.modellix.ai/api/v1/google/veo-3.1-lite-i2v \ --header 'Authorization: Bearer <token>' \ --header 'Content-Type: application/json' \ --data ' { "prompt": "Petals gently fall from a cherry blossom tree in a soft breeze", "image": "https://example.com/frame.jpg" } '

{ "code": 0, "message": "success", "data": { "status": "pending", "task_id": "task-i2v006", "model_id": "google/veo-3.1-lite-i2v", "get_result": { "method": "GET", "url": "https://api.modellix.ai/api/v1/tasks/task-i2v006" } } }

Authorizations

Authorization

string

header

required

API Key authentication. Format: Bearer YOUR_API_KEY.

Body

application/json

Veo 3.1 Lite image-to-video request. Supports prompt, image, lastFrame, negativePrompt, aspectRatio, duration, resolution (up to 1080p), and personGeneration.

prompt

string

required

Video description text guiding the animation

Minimum string length: 1

Example:

"Petals gently fall from a cherry blossom tree in a soft breeze"

image

string

required

Starting frame. Accepts an image URL (e.g. https://example.com/frame.jpg).

Example:

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

lastFrame

string

End frame. Accepts an image URL. Optional, guides the video to end at this frame.

Example:

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

negativePrompt

string

Text describing what to avoid in the generated video.

Example:

"blurry, low quality, distorted"

aspectRatio

enum<string>

default:16:9

Video aspect ratio

Available options:

16:9,

9:16

Example:

"16:9"

duration

enum<string>

Video duration in seconds (string type)

Available options:

4,

6,

8

Example:

"6"

resolution

enum<string>

Video resolution

Available options:

720p,

1080p

Example:

"720p"

personGeneration

enum<string>

Person generation policy

Available options:

allow_adult

Example:

"allow_adult"

Response

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.

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