Grok Video

Grok video models for short clips from text or image prompts.

API surface

Operation	Endpoint	Mode
Video generation task	POST /v1/async/videos/generations	Async only

Models

Model id	Notes
grok-video-3	Text-to-video and image-to-video. seconds 6 / 10 / 15.
grok-video-1.5-preview	Image-to-video only (image required). seconds 10 / 15.

Pricing

Billed as n × seconds × rate(resolution) credits. Default resolution is 720p.

Model	480p	720p
grok-video-3	5/sec	7/sec
grok-video-1.5-preview	8/sec	14/sec

Request fields

Field	Type	Required	Description
model	string	Yes	grok-video-3 or grok-video-1.5-preview.
prompt	string	Yes	1–2000 characters.
seconds	integer	Yes	Model-specific allowed values.
resolution	string	No	480p or 720p (default).
n	integer	No	Default 1.
image	string | string[]	Conditional	Required for grok-video-1.5-preview.
providerOptions	object	No	Optional model extensions. See providerOptions below.

providerOptions

Field	Type	Models	Description
aspect_ratio	string	grok-video-3	1:1 / 16:9 / 9:16 / 4:3 / 3:4 / 3:2 / 2:3.
aspect_ratio	string	grok-video-1.5-preview	16:9 / 9:16.
metadata	object	grok-video-3	Opaque passthrough fields. Pixapi does not interpret them.

Example

cURL

curl https://api.pixapi.ai/v1/async/videos/generations \
  -H "Authorization: Bearer $PIXAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "grok-video-3",
  "prompt": "A skateboarder jumping over a hydrant at golden hour",
  "n": 1,
  "seconds": 6,
  "resolution": "720p",
  "providerOptions": {
    "aspect_ratio": "16:9"
  }
}'

Python

import os
import requests

response = requests.post(
    "https://api.pixapi.ai/v1/async/videos/generations",
    headers={
        "Authorization": f"Bearer {os.environ['PIXAPI_KEY']}",
        "Content-Type": "application/json",
    },
    json={
    "model": "grok-video-3",
    "prompt": "A skateboarder jumping over a hydrant at golden hour",
    "n": 1,
    "seconds": 6,
    "resolution": "720p",
    "providerOptions": {
        "aspect_ratio": "16:9"
    }
},
)
response.raise_for_status()
task = response.json()
print(task["id"])

JavaScript

const response = await fetch('https://api.pixapi.ai/v1/async/videos/generations', {
  method: 'POST',
  headers: {
    Authorization: `Bearer ${process.env.PIXAPI_KEY}`,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
  "model": "grok-video-3",
  "prompt": "A skateboarder jumping over a hydrant at golden hour",
  "n": 1,
  "seconds": 6,
  "resolution": "720p",
  "providerOptions": {
    "aspect_ratio": "16:9"
  }
}),
});

if (!response.ok) {
  throw new Error(await response.text());
}

const task = await response.json();
console.log(task.id);

Go

package main

import (
  "bytes"
  "fmt"
  "io"
  "net/http"
  "os"
)

func main() {
  body := []byte(`{
  "model": "grok-video-3",
  "prompt": "A skateboarder jumping over a hydrant at golden hour",
  "n": 1,
  "seconds": 6,
  "resolution": "720p",
  "providerOptions": {
    "aspect_ratio": "16:9"
  }
}`)

  req, err := http.NewRequest(
    "POST",
    "https://api.pixapi.ai/v1/async/videos/generations",
    bytes.NewBuffer(body),
  )
  if err != nil {
    panic(err)
  }
  req.Header.Set("Authorization", "Bearer "+os.Getenv("PIXAPI_KEY"))
  req.Header.Set("Content-Type", "application/json")

  resp, err := http.DefaultClient.Do(req)
  if err != nil {
    panic(err)
  }
  defer resp.Body.Close()

  result, _ := io.ReadAll(resp.Body)
  fmt.Println(string(result))
}

Response

Pixapi returns a submitted task. Poll GET /v1/tasks/{id} for the final result.