Sample Request

curl --request POST \
     --url https://cloud.leonardo.ai/api/rest/v2/generations \
     --header 'accept: application/json' \
     --header 'authorization: Bearer <YOUR_API_KEY>' \
     --header 'content-type: application/json' \
     --data '
{
  "model": "veo-3.1-lite",
  "public": false,
  "parameters": {
    "prompt": "A koala and a cat playing together in a sunlit meadow",
    "quantity": 1,
    "width": 1280,
    "height": 720,
    "mode": "RESOLUTION_720",
    "duration": 8,
    "motion_has_audio": true
  }
}
'

API Request Endpoint, Headers, Parameters

Endpoint

https://cloud.leonardo.ai/api/rest/v2/generations

Headers

--header "accept: application/json" \
--header "authorization: Bearer <YOUR_API_KEY>" \
--header "content-type: application/json"

Body Parameters

Parameter	Type	Definition
audio	`boolean`	Optional. Whether the video generation will include audio. Defaults to `True`.
duration	`integer`	Optional. Duration of the video in seconds. Accepts `4`, `6`, `8`. Defaults to `8`.
guidances	`object`	Optional. Object defining guidance inputs (e.g. reference images, start/end frames) that influence the result.
guidances.end_frame	`array`	Optional. Creative reinterpretation of vibe or structure from a reference image. Maximum 1 item. Each item includes image.id and image.type (`INIT`, `GENERATION`, `UPLOADED`, `GENERATED`, `VARIATION`).
guidances.start_frame	`array`	Optional. Creative reinterpretation of vibe or structure from a reference image. Maximum 1 item. Each item includes image.id and image.type (`INIT`, `GENERATION`, `UPLOADED`, `GENERATED`, `VARIATION`).
height	`integer`	Optional. Height of the output in pixels. Accepts `720`, `1080`, `1280`, `1920`. Defaults to `720`.
mode	`string`	Optional. Resolution mode for the generation. Accepts `RESOLUTION_720`, `RESOLUTION_1080`. Defaults to `RESOLUTION_720`.
model	`string`	Required. Specifies the model used for generation. Set to `veo-3.1-lite`.
motion_has_audio	`boolean`	Optional. Whether the video generation will include audio. Defaults to `True`.
negative_prompt	`string`	Optional. The negative prompt to use for the generation. Maximum 1000 characters.
prompt	`string`	Required. The prompt to use for the generation. Maximum 9999 characters.
public	`boolean`	Optional. Controls whether the generation is public (`true`) or private (`false`).
quantity	`integer`	Required. The number of outputs to generate. Defaults to `1`. Range 1-1.
seed	`number`	Optional. The seed value for generation.
width	`integer`	Optional. Width of the output in pixels. Accepts `720`, `1080`, `1280`, `1920`. Defaults to `1280`.

Dimensions

The API accepts the following width and height values (in pixels), per the v2 API schema:

Parameter	Allowed values (px)
width	720, 1080, 1280, 1920
height	720, 1080, 1280, 1920

Defaults: width 1280, height 720.

The mode parameter accepts: RESOLUTION_720, RESOLUTION_1080.