Create asset (CreateAsset)
curl --request POST \
--url https://api.gravitex.ai/api/v3/seedance \
--header 'Authorization: <authorization>' \
--header 'Content-Type: application/json' \
--data '
{
"GroupId": "<string>",
"URL": "<string>",
"AssetType": "<string>",
"Name": "<string>",
"Moderation": {},
"ProjectName": "<string>"
}
'import requests
url = "https://api.gravitex.ai/api/v3/seedance"
payload = {
"GroupId": "<string>",
"URL": "<string>",
"AssetType": "<string>",
"Name": "<string>",
"Moderation": {},
"ProjectName": "<string>"
}
headers = {
"Authorization": "<authorization>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: '<authorization>', 'Content-Type': 'application/json'},
body: JSON.stringify({
GroupId: '<string>',
URL: '<string>',
AssetType: '<string>',
Name: '<string>',
Moderation: {},
ProjectName: '<string>'
})
};
fetch('https://api.gravitex.ai/api/v3/seedance', 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.gravitex.ai/api/v3/seedance",
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([
'GroupId' => '<string>',
'URL' => '<string>',
'AssetType' => '<string>',
'Name' => '<string>',
'Moderation' => [
],
'ProjectName' => '<string>'
]),
CURLOPT_HTTPHEADER => [
"Authorization: <authorization>",
"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.gravitex.ai/api/v3/seedance"
payload := strings.NewReader("{\n \"GroupId\": \"<string>\",\n \"URL\": \"<string>\",\n \"AssetType\": \"<string>\",\n \"Name\": \"<string>\",\n \"Moderation\": {},\n \"ProjectName\": \"<string>\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "<authorization>")
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.gravitex.ai/api/v3/seedance")
.header("Authorization", "<authorization>")
.header("Content-Type", "application/json")
.body("{\n \"GroupId\": \"<string>\",\n \"URL\": \"<string>\",\n \"AssetType\": \"<string>\",\n \"Name\": \"<string>\",\n \"Moderation\": {},\n \"ProjectName\": \"<string>\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.gravitex.ai/api/v3/seedance")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = '<authorization>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"GroupId\": \"<string>\",\n \"URL\": \"<string>\",\n \"AssetType\": \"<string>\",\n \"Name\": \"<string>\",\n \"Moderation\": {},\n \"ProjectName\": \"<string>\"\n}"
response = http.request(request)
puts response.read_bodySeedance 2.0(/generations/tasks)
Create asset (CreateAsset)
CreateAsset โ POST /api/v3/seedance
POST
/
api
/
v3
/
seedance
Create asset (CreateAsset)
curl --request POST \
--url https://api.gravitex.ai/api/v3/seedance \
--header 'Authorization: <authorization>' \
--header 'Content-Type: application/json' \
--data '
{
"GroupId": "<string>",
"URL": "<string>",
"AssetType": "<string>",
"Name": "<string>",
"Moderation": {},
"ProjectName": "<string>"
}
'import requests
url = "https://api.gravitex.ai/api/v3/seedance"
payload = {
"GroupId": "<string>",
"URL": "<string>",
"AssetType": "<string>",
"Name": "<string>",
"Moderation": {},
"ProjectName": "<string>"
}
headers = {
"Authorization": "<authorization>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: '<authorization>', 'Content-Type': 'application/json'},
body: JSON.stringify({
GroupId: '<string>',
URL: '<string>',
AssetType: '<string>',
Name: '<string>',
Moderation: {},
ProjectName: '<string>'
})
};
fetch('https://api.gravitex.ai/api/v3/seedance', 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.gravitex.ai/api/v3/seedance",
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([
'GroupId' => '<string>',
'URL' => '<string>',
'AssetType' => '<string>',
'Name' => '<string>',
'Moderation' => [
],
'ProjectName' => '<string>'
]),
CURLOPT_HTTPHEADER => [
"Authorization: <authorization>",
"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.gravitex.ai/api/v3/seedance"
payload := strings.NewReader("{\n \"GroupId\": \"<string>\",\n \"URL\": \"<string>\",\n \"AssetType\": \"<string>\",\n \"Name\": \"<string>\",\n \"Moderation\": {},\n \"ProjectName\": \"<string>\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "<authorization>")
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.gravitex.ai/api/v3/seedance")
.header("Authorization", "<authorization>")
.header("Content-Type", "application/json")
.body("{\n \"GroupId\": \"<string>\",\n \"URL\": \"<string>\",\n \"AssetType\": \"<string>\",\n \"Name\": \"<string>\",\n \"Moderation\": {},\n \"ProjectName\": \"<string>\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.gravitex.ai/api/v3/seedance")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = '<authorization>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"GroupId\": \"<string>\",\n \"URL\": \"<string>\",\n \"AssetType\": \"<string>\",\n \"Name\": \"<string>\",\n \"Moderation\": {},\n \"ProjectName\": \"<string>\"\n}"
response = http.request(request)
puts response.read_bodyIntroduction
Create an asset within an asset group.URL must be a publicly accessible address; Base64 / local file upload is not supported. After creation, reference it in video generation tasks with asset://<Id>.
Authentication
string
required
Bearer Token, e.g.
Bearer sk-your_token_keyRequest parameters
string
required
Asset group ID
string
required
Publicly accessible URL for the asset
string
required
Image / Video / Audiostring
Asset name; used only for fuzzy search in
ListAssets, not used in model inferenceobject
Content pre-moderation policy,
{"Strategy": "Default"|"Skip"}; Default (default) = pre-moderation enabled, Skip = skip most non-baseline content safety policiesstring
default:"default"
Project name
Moderation.Strategy = "Skip" only skips most non-baseline moderationโit does not fully disable it. For sensitive/adult content with authorization, use the seedance-2-0-NSFW model for generation tasks instead.Asset type limits
| Type | Formats | Duration | Resolution / size | Aspect ratio (W/H) | Size | Frame rate |
|---|---|---|---|---|---|---|
Image | jpeg / png / webp / bmp / tiff / gif / heic / heif | โ | 300โ6000px width/height | 0.4โ2.5 | < 30 MB | โ |
Video | mp4 / mov | 2โ15s | 480p/720p/1080p, 300โ6000px width/height, total pixels (WรH) 409600โ2086876 | 0.4โ2.5 | โค 50 MB | 24โ60 fps |
Audio | wav / mp3 | 2โ15s | โ | โ | โค 15 MB | โ |
Request example
curl -X POST "https://api.gravitex.ai/api/v3/seedance?Action=CreateAsset&Version=2024-01-01" \
-H "Authorization: Bearer sk-your_token_key" \
-H "Content-Type: application/json" \
-d '{
"GroupId": "group-20260710-abcde",
"URL": "https://your-cdn.com/portrait.jpg",
"AssetType": "Image",
"Name": "portrait.jpg"
}'
Response example
{
"ResponseMetadata": {"Action": "CreateAsset"},
"Result": {"Id": "asset-20260710-xyz"}
}
asset://asset-20260710-xyz in Create video generation task.โI
