Veo 3.1 Video Generation

Generate cinematic text- or image-guided video with synchronized audio through the PixMind API.

Cinematic text- or image-guided video generation with synchronized audio and endpoint-frame control.

Provider

Google

Model ID

veo-3.1

Endpoint

POST /v1/generations

Open model playground Create API key

Model notes

The current quality route supports clips up to 8 seconds.
4K uses a higher per-second pricing tier.

Request parameters

Parameter	Type	Required	Description
`model`	string	Yes	Stable PixMind model ID. Use `veo-3.1`. Allowed values: `veo-3.1`
`prompt`	string	Yes	Natural-language generation or editing instructions.
`resolution`	string	No	Output video resolution. This field affects per-second pricing. Allowed values: `720p`, `1080p`, `4K` Default: `720p`
`duration`	integer	No	Requested clip duration in seconds. Allowed values: `5`, `6`, `8` Default: `5`
`aspect_ratio`	string	No	Requested output aspect ratio. Allowed values: `16:9`, `9:16`, `1:1`, `4:3`, `3:4` Default: `16:9`
`image_url`	string (URI)	No	Starting image for image-to-video generation.
`callback_url`	string (URI)	No	HTTPS endpoint that receives the terminal task event. Polling remains available when omitted.
`last_frame_url`	string (URI)	No	Optional ending-frame image used with image_url.
`generate_audio`	boolean	No	Generate synchronized audio when supported by the selected mode. Allowed values: `true`, `false` Default: `true`

Request example

cURL

curl https://aihub-admin.aimix.pro/v1/generations \
  -H "Authorization: Bearer $PIXMIND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "veo-3.1",
  "prompt": "A cinematic product reveal with a slow camera push and synchronized studio ambience",
  "duration": 8,
  "resolution": "1080p",
  "aspect_ratio": "16:9",
  "generate_audio": true
}'

JavaScript

const response = await fetch("https://aihub-admin.aimix.pro/v1/generations", {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${process.env.PIXMIND_API_KEY}`,
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
  "model": "veo-3.1",
  "prompt": "A cinematic product reveal with a slow camera push and synchronized studio ambience",
  "duration": 8,
  "resolution": "1080p",
  "aspect_ratio": "16:9",
  "generate_audio": true
})
});

const task = await response.json();

Accepted task response

Generation is asynchronous. Save the id from the response and poll GET /v1/generations/{id} until it reaches a terminal status.

202 Accepted

{
  "id": "img_01JXYZ...",
  "model": "veo-3.1",
  "status": "processing"
}

API pricing

Configuration	Price
720p or 1080p	$0.360 / second
4K	$0.520 / second

API pricing uses the apiPlatform role and is separate from PixMind Studio credits. The accepted task response is the final pricing snapshot.