Generate with Veo3 and Veo3 Fast Using Start Frame
Example for generating a video with uploaded images as a start frame using Veo3 and Veo3 Fast
Follow this recipe to generate video using text:
The guide will recreate the following functionality in the Web UI via API.

Veo3 720p Using Uploaded Image Sample Request
curl --request POST \
--url https://cloud.leonardo.ai/api/rest/v1/generations-image-to-video\
--header 'accept: application/json' \
--header 'authorization: Bearer <YOUR_API_KEY>' \
--header 'content-type: application/json' \
--data'
{
"prompt":"a breathtaking, cinematic sequence of a massive crystal whale gliding through a vast night sky that behaves like a deep ocean. The whale’s body is sculpted from translucent, glimmering crystal—its surface faceted like a gemstone, catching moonlight and scattering it in radiant rainbow beams across the sky. Each movement creates soft refractions that dance across the clouds, making them ripple like bioluminescent waves.",
"imageId" : "<YOUR_INIT_IMAGE_ID>",
"imageType": "UPLOADED",
"resolution": "RESOLUTION_720",
"model": "VEO3",
"isPublic": false
}
'
Veo3 Using Uploaded Image Generate in 1080p
Change "resolution": "RESOLUTION_720"
to "resolution": "RESOLUTION_1080"
Veo3 1080p Using Uploaded Image Sample Request
curl --request POST \
--url https://cloud.leonardo.ai/api/rest/v1/generations-image-to-video\
--header 'accept: application/json' \
--header 'authorization: Bearer <YOUR_API_KEY>' \
--header 'content-type: application/json' \
--data'
{
"prompt":"a breathtaking, cinematic sequence of a massive crystal whale gliding through a vast night sky that behaves like a deep ocean. The whale’s body is sculpted from translucent, glimmering crystal—its surface faceted like a gemstone, catching moonlight and scattering it in radiant rainbow beams across the sky. Each movement creates soft refractions that dance across the clouds, making them ripple like bioluminescent waves.",
"imageId" : "<YOUR_INIT_IMAGE_ID>",
"imageType": "UPLOADED",
"resolution": "RESOLUTION_1080",
"model": "VEO3",
"isPublic": false
}
'
Generate With Veo3 Fast Model Using Uploaded Image
Follow this recipe to generate video using text:
The guide will recreate the following functionality in the Web UI via API.

Veo3 Fast 720p Sample Request
curl --request POST \
--url https://cloud.leonardo.ai/api/rest/v1/generations-image-to-video\
--header 'accept: application/json' \
--header 'authorization: Bearer <YOUR_API_KEY>' \
--header 'content-type: application/json' \
--data'
{
"prompt":"a breathtaking, cinematic sequence of a massive crystal whale gliding through a vast night sky that behaves like a deep ocean. The whale’s body is sculpted from translucent, glimmering crystal—its surface faceted like a gemstone, catching moonlight and scattering it in radiant rainbow beams across the sky. Each movement creates soft refractions that dance across the clouds, making them ripple like bioluminescent waves.",
"imageId" : "<YOUR_INIT_IMAGE_ID>",
"imageType": "UPLOADED",
"resolution": "RESOLUTION_720",
"model": "VEO3FAST",
"isPublic": false
}
'
Veo3 Fast 1080p Sample Request
curl --request POST \
--url https://cloud.leonardo.ai/api/rest/v1/generations-image-to-video\
--header 'accept: application/json' \
--header 'authorization: Bearer <YOUR_API_KEY>' \
--header 'content-type: application/json' \
--data'
{
"prompt":"a breathtaking, cinematic sequence of a massive crystal whale gliding through a vast night sky that behaves like a deep ocean. The whale’s body is sculpted from translucent, glimmering crystal—its surface faceted like a gemstone, catching moonlight and scattering it in radiant rainbow beams across the sky. Each movement creates soft refractions that dance across the clouds, making them ripple like bioluminescent waves.",
"imageId" : "<YOUR_INIT_IMAGE_ID>",
"imageType": "UPLOADED",
"resolution": "RESOLUTION_1080",
"model": "VEO3FAST",
"isPublic": false
}
'
Generated vs Uploaded Images
To use a generated image ID, change
imageType
toGENERATED
.
Default Dimension
Veo3 720p generates at an aspect ratio of 16:9 at dimensions 1280x720.
Veo3 1080p generates at an aspect ratio of 16:9 at dimensions 1920x1080.
Dimensions will default to 16:9,
height
andwidth
are not required. Please note uploaded images will be cropped to fit those dimensions.
Switch to Motion 2
To use Motion 2.0, remove the
model
parameter or set it toMOTION2
.Parameters such as
frameinterpolation
andpromptEnhance
are not compatible with Veo3.
Cost
The Text-to-Video endpoint costs 4000 API Credits per Veo3 video
The Text-to-Video endpoint costs 2140 API Credits per Veo3 Fast video
Updated 1 day ago