Text-to-Video
POST /v1/common_task/text2video/task/submit — generate 480p, 720p, or 1080p clips up to 30 seconds from a prompt.
Developer API
Seedance 2.5 API
Generate up to 30-second Seedance 2.5 clips from the Topview REST API. Compare Business member rates with official estimates, then submit text-to-video, image-to-video, or reference tasks.
const submit = await fetch('https://api.topview.ai/v1/common_task/text2video/task/submit', {
method: 'POST',
headers: {
Authorization: 'Bearer YOUR_API_KEY',
'Topview-Uid': 'YOUR_USER_ID',
'Content-Type': 'application/json'
},
body: JSON.stringify({
model: 'seedance-2.5',
prompt: 'A cinematic product orbit in a dark studio, golden rim light',
aspectRatio: '16:9',
resolution: 720,
duration: 8,
sound: 'on',
generatingCount: 1
})
});
const { result } = await submit.json();
const query = await fetch(
'https://api.topview.ai/v1/common_task/text2video/task/query?taskId=' + result.taskId,
{ headers: { Authorization: 'Bearer YOUR_API_KEY', 'Topview-Uid': 'YOUR_USER_ID' } }
);
console.log(await query.json());Seedance 2.5 API pricing
Business member rates from the Topview pricing table. Comparison uses BytePlus listed Seedance 2.5 prices. 720p is the annual Business rate, 9% OFF versus $0.231 per second. 1080p is 20% OFF versus $0.569 per second.
BytePlusTopview Business
720p
/ second
$0.231
byteplus.com
$0.2112
1.2 credits
Annual Business price
1080p
/ second
$0.569
byteplus.com
$0.4576
2.6 credits
API Capabilities
The same Seedance 2.5 generation modes available in Topview, callable as async tasks.
Image-to-Video
POST /v2/common_task/image2video/task/submit — animate a first-frame image into a Seedance 2.5 clip.
Reference inputs
POST /v1/common_task/omni_reference/task/submit — pass image and video references with triple-bracket prompt syntax.
Async polling
Every submit returns a taskId. Poll /task/query every 3–5 seconds until status is success, then download filePath.
Model parameters
Specs that change Seedance 2.5 cost and output.
Model ID
seedance-2.5
Topview catalog and Board identifier
Resolution
480p / 720p / 1080p
Rate changes with resolution
Duration
4–30 seconds
Billed per output second
Audio
sound on or off
Business table lists the same credit rate with or without audio
Aspect ratios
16:9, 9:16, 1:1 and more
Official estimates use 16:9 examples
Inputs
Text, image, video
Prompt plus optional image and video references
Start with the Seedance 2.5 API
Get an API key, or try the same model in the Topview generator before you integrate.
REST API · Business rates · Async polling
Seedance 2.5 API questions
Use seedance-2.5, the Topview catalog identifier. Confirm the live enum in the API docs if your account shows a display alias.
Business table totals are 2.8 / 4.8 / 10.4 credits per 4 seconds at 480p, 720p, and 1080p. That is 0.7, 1.2, and 2.6 credits per second. USD uses 1 credit = $0.176.
The comparison column uses BytePlus listed Seedance 2.5 rates: $0.231 per second at 720p and $0.569 per second at 1080p, from 16:9 / 5-second examples. Against those rows, Topview Business is about 9% and 20% lower. The 720p Topview figure is the annual Business price.
The Topview Business table lists the same credit rate for silent and audio-enabled Seedance 2.5 output. Official token usage can still change with audio.
Text-to-video, image-to-video V2, and omni reference. All three return a taskId. Poll the matching /task/query endpoint.
Authorization: Bearer YOUR_API_KEY and Topview-Uid: YOUR_USER_ID on every request.
Seedance 2.5 supports 4 to 30 seconds per generation. Duration multiplies the per-second Business rate.
Open the Topview model pricing catalog for image and video rates, official sources, and the same Business conversion.