Grok Imagine 1.5 Fast
curl --request POST \
--url https://api.freemodel.app/v1/videos \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"model": "<string>",
"prompt": "<string>",
"seconds": "<string>",
"aspect_ratio": "<string>",
"image_urls": [
"<string>"
]
}
'import requests
url = "https://api.freemodel.app/v1/videos"
payload = {
"model": "<string>",
"prompt": "<string>",
"seconds": "<string>",
"aspect_ratio": "<string>",
"image_urls": ["<string>"]
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
model: '<string>',
prompt: '<string>',
seconds: '<string>',
aspect_ratio: '<string>',
image_urls: ['<string>']
})
};
fetch('https://api.freemodel.app/v1/videos', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.freemodel.app/v1/videos",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'model' => '<string>',
'prompt' => '<string>',
'seconds' => '<string>',
'aspect_ratio' => '<string>',
'image_urls' => [
'<string>'
]
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.freemodel.app/v1/videos"
payload := strings.NewReader("{\n \"model\": \"<string>\",\n \"prompt\": \"<string>\",\n \"seconds\": \"<string>\",\n \"aspect_ratio\": \"<string>\",\n \"image_urls\": [\n \"<string>\"\n ]\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.freemodel.app/v1/videos")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"model\": \"<string>\",\n \"prompt\": \"<string>\",\n \"seconds\": \"<string>\",\n \"aspect_ratio\": \"<string>\",\n \"image_urls\": [\n \"<string>\"\n ]\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.freemodel.app/v1/videos")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"model\": \"<string>\",\n \"prompt\": \"<string>\",\n \"seconds\": \"<string>\",\n \"aspect_ratio\": \"<string>\",\n \"image_urls\": [\n \"<string>\"\n ]\n}"
response = http.request(request)
puts response.read_bodyGrok Imagine
Grok Imagine 1.5 Fast
Grok Imagine 1.5 Fast video API via FreeModel: xAI Grok Imagine 1.5 Fast, billed from prepaid balance.
POST
/
v1
/
videos
Grok Imagine 1.5 Fast
curl --request POST \
--url https://api.freemodel.app/v1/videos \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"model": "<string>",
"prompt": "<string>",
"seconds": "<string>",
"aspect_ratio": "<string>",
"image_urls": [
"<string>"
]
}
'import requests
url = "https://api.freemodel.app/v1/videos"
payload = {
"model": "<string>",
"prompt": "<string>",
"seconds": "<string>",
"aspect_ratio": "<string>",
"image_urls": ["<string>"]
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
model: '<string>',
prompt: '<string>',
seconds: '<string>',
aspect_ratio: '<string>',
image_urls: ['<string>']
})
};
fetch('https://api.freemodel.app/v1/videos', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.freemodel.app/v1/videos",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'model' => '<string>',
'prompt' => '<string>',
'seconds' => '<string>',
'aspect_ratio' => '<string>',
'image_urls' => [
'<string>'
]
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.freemodel.app/v1/videos"
payload := strings.NewReader("{\n \"model\": \"<string>\",\n \"prompt\": \"<string>\",\n \"seconds\": \"<string>\",\n \"aspect_ratio\": \"<string>\",\n \"image_urls\": [\n \"<string>\"\n ]\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.freemodel.app/v1/videos")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"model\": \"<string>\",\n \"prompt\": \"<string>\",\n \"seconds\": \"<string>\",\n \"aspect_ratio\": \"<string>\",\n \"image_urls\": [\n \"<string>\"\n ]\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.freemodel.app/v1/videos")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"model\": \"<string>\",\n \"prompt\": \"<string>\",\n \"seconds\": \"<string>\",\n \"aspect_ratio\": \"<string>\",\n \"image_urls\": [\n \"<string>\"\n ]\n}"
response = http.request(request)
puts response.read_bodygrok-imagine-1.5-fast is the xAI Grok Imagine 1.5 Fast: 6 to 30 second 720p clips from text or up to seven reference images.
| Property | Value |
|---|---|
| Model ID | grok-imagine-1.5-fast |
| Input | prompt + images |
| Output | 720p video |
| Duration | 6 to 30 seconds |
| Price | $0.03 per second (3 credits per second) |
string
required
Set to
grok-imagine-1.5-fast.string
required
Describe the subject, action, camera movement, lighting, and audio intent.
string
default:"10"
Output length: 6 to 30 seconds.
string
One of
16:9, 9:16, 1:1, 3:2, 2:3. Send it explicitly; do not send a pixel size.string[]
Up to 7 public
http/https image URLs, each up to 10 MB (JPEG, PNG, WEBP).Request
curl https://api.freemodel.app/v1/videos \
-H "Authorization: Bearer $FREEMODEL_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "grok-imagine-1.5-fast",
"prompt": "A neon tram crosses a rainy bridge at night",
"seconds": "6",
"aspect_ratio": "16:9",
"image_urls": ["https://example.com/reference.jpg"]
}'
id. Poll and download with the same model:
curl "https://api.freemodel.app/v1/videos/$VIDEO_ID?model=grok-imagine-1.5-fast" \
-H "Authorization: Bearer $FREEMODEL_API_KEY"
curl -L "https://api.freemodel.app/v1/videos/$VIDEO_ID/content?model=grok-imagine-1.5-fast" \
-H "Authorization: Bearer $FREEMODEL_API_KEY" \
--output video.mp4
Media inputs must be public
http or https URLs. Private network addresses and
local files are rejected. Failed generations are not charged.