curl --request POST \
--url https://api.krea.ai/generate/video/bytedance/seedance-2-fast \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"prompt": "Rolling countryside with magical bathhouses and whispering forests, reminiscent of a Ghibli masterpiece."
}
'import requests
url = "https://api.krea.ai/generate/video/bytedance/seedance-2-fast"
payload = { "prompt": "Rolling countryside with magical bathhouses and whispering forests, reminiscent of a Ghibli masterpiece." }
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({
prompt: 'Rolling countryside with magical bathhouses and whispering forests, reminiscent of a Ghibli masterpiece.'
})
};
fetch('https://api.krea.ai/generate/video/bytedance/seedance-2-fast', 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.krea.ai/generate/video/bytedance/seedance-2-fast",
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([
'prompt' => 'Rolling countryside with magical bathhouses and whispering forests, reminiscent of a Ghibli masterpiece.'
]),
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.krea.ai/generate/video/bytedance/seedance-2-fast"
payload := strings.NewReader("{\n \"prompt\": \"Rolling countryside with magical bathhouses and whispering forests, reminiscent of a Ghibli masterpiece.\"\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.krea.ai/generate/video/bytedance/seedance-2-fast")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"prompt\": \"Rolling countryside with magical bathhouses and whispering forests, reminiscent of a Ghibli masterpiece.\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.krea.ai/generate/video/bytedance/seedance-2-fast")
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 \"prompt\": \"Rolling countryside with magical bathhouses and whispering forests, reminiscent of a Ghibli masterpiece.\"\n}"
response = http.request(request)
puts response.read_body{
"job_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"status": "backlogged",
"created_at": "2023-11-07T05:31:56Z",
"completed_at": null,
"result": null,
"error": {
"code": "<string>",
"message": "<string>"
},
"progress": 0.5
}{
"error": "<string>"
}{
"error": "<string>"
}{
"error": "<string>"
}{
"error": "<string>"
}Seedance 2.0 Fast*
Faster Seedance 2 with native audio, references, and frame animation.
- This API endpoint includes additional Krea functionality beyond the base Seedance 2 model, including prompt enhancement and upscaling support.
curl --request POST \
--url https://api.krea.ai/generate/video/bytedance/seedance-2-fast \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"prompt": "Rolling countryside with magical bathhouses and whispering forests, reminiscent of a Ghibli masterpiece."
}
'import requests
url = "https://api.krea.ai/generate/video/bytedance/seedance-2-fast"
payload = { "prompt": "Rolling countryside with magical bathhouses and whispering forests, reminiscent of a Ghibli masterpiece." }
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({
prompt: 'Rolling countryside with magical bathhouses and whispering forests, reminiscent of a Ghibli masterpiece.'
})
};
fetch('https://api.krea.ai/generate/video/bytedance/seedance-2-fast', 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.krea.ai/generate/video/bytedance/seedance-2-fast",
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([
'prompt' => 'Rolling countryside with magical bathhouses and whispering forests, reminiscent of a Ghibli masterpiece.'
]),
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.krea.ai/generate/video/bytedance/seedance-2-fast"
payload := strings.NewReader("{\n \"prompt\": \"Rolling countryside with magical bathhouses and whispering forests, reminiscent of a Ghibli masterpiece.\"\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.krea.ai/generate/video/bytedance/seedance-2-fast")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"prompt\": \"Rolling countryside with magical bathhouses and whispering forests, reminiscent of a Ghibli masterpiece.\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.krea.ai/generate/video/bytedance/seedance-2-fast")
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 \"prompt\": \"Rolling countryside with magical bathhouses and whispering forests, reminiscent of a Ghibli masterpiece.\"\n}"
response = http.request(request)
puts response.read_body{
"job_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"status": "backlogged",
"created_at": "2023-11-07T05:31:56Z",
"completed_at": null,
"result": null,
"error": {
"code": "<string>",
"message": "<string>"
},
"progress": 0.5
}{
"error": "<string>"
}{
"error": "<string>"
}{
"error": "<string>"
}{
"error": "<string>"
}Pricing
| Resolution | Video Reference | Price |
|---|---|---|
| 480p | Yes | $0.0645/sec |
| 480p | No | $0.1075/sec |
| 720p | Yes | $0.1452/sec |
| 720p | No | $0.2419/sec |
Deprecated request aliases
Deprecated request aliases
| Deprecated | Use instead | Accepted until |
|---|---|---|
startImage | start_image | 2026-06-19 |
aspectRatio | aspect_ratio | 2026-06-19 |
endImage | end_image | 2026-06-19 |
referenceImages | reference_images | 2026-06-19 |
referenceVideos | reference_videos | 2026-06-19 |
referenceAudios | reference_audios | 2026-06-19 |
Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Headers
URL to receive a POST request when the job completes. The webhook will receive the job data including results. When signing is configured, deliveries are signed with ECDSA P-256 (ES256); verify them with the keys at https://api.krea.ai/.well-known/jwks.json (see X-Krea-Webhook-* headers). Treat requests without these headers as unauthenticated.
Body
Can be an external URL, base64 data URI, or uploaded asset URL.
102416:9, 4:3, 1:1, 3:4, 9:16, 21:9 Can be an external URL, base64 data URI, or uploaded asset URL.
10249Can be an external URL, base64 data URI, or uploaded asset URL.
10243Can be an external URL, base64 data URI, or uploaded asset URL.
10243Can be an external URL, base64 data URI, or uploaded asset URL.
10244 <= x <= 15480p, 720p -9007199254740991 <= x <= 9007199254740991Deprecated and ignored. Accepted until 2026-10-30T00:00:00Z, then rejected. Remove this field from requests.
12Show child attributes
Show child attributes
When true, upscales the completed Seedance 2 video to produce an output up to 8K.
When true, rewrites the prompt for Seedance 2 using Krea prompt enhancement before video generation.
Response
The resulting job data. This will be returned in a pending state until the job is completed. See /jobs/{id} for retrieving the results.
^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$backlogged, queued, scheduled, processing, sampling, intermediate-complete, completed, failed, cancelled ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$Show child attributes
Show child attributes
0 <= x <= 1Was this page helpful?