ByteDance (Doubao) / seedance-2-0-fast
Seedance 2.0 Fast stands out for Fast director-style Seedance generation and Optimized for rapid creative iteration. It is best suited to social content production and fast campaign drafts.
Context
—
Not applicable
Video to video
$4.125
/ 1M tokens
Text or image to video
$7.00
/ 1M tokens
Quality
—
No score
Overview
Seedance 2.0 Fast stands out for Fast director-style Seedance generation and Optimized for rapid creative iteration. It is best suited to social content production and fast campaign drafts.
Video output
Can produce video output for generation or editing workflows.
Model maker
ByteDance (Doubao)
Called through SeaLink's unified account, balance, and OpenAI-compatible API.
Protocol
Video generation API
Base URL: https://api.sealink.io/v1
Pricing
The final charge follows generated usage and the applicable selector, such as resolution, duration, input type, or provider unit.
API
model
seedance-2-0-fastbase_url
https://api.sealink.io/v1Auth
Bearer $SEALINK_API_KEY# Step 1: Submit video generationcurl https://api.sealink.io/v1/video/generations \-H "Authorization: Bearer $SEALINK_API_KEY" \-H "Content-Type: application/json" \-d '{"model": "seedance-2-0-fast","prompt": "A cat walking along a beach at sunset","size": "720p","duration": 5,"generate_audio": false}'# Step 2: Poll for result (use task id from submit response)curl https://api.sealink.io/v1/tasks/TASK_ID \-H "Authorization: Bearer $SEALINK_API_KEY"
import requests, timeapi_key = "<your-sealink-key>"base = "https://api.sealink.io"# Submitresp = requests.post(f"{base}/v1/video/generations", json={"model": "seedance-2-0-fast","prompt": "A cat walking along a beach at sunset","size": "720p","duration": 5,"generate_audio": false}, headers={"Authorization": f"Bearer {api_key}"})task = resp.json()task_id = task["id"]# Poll until completewhile True:time.sleep(5)r = requests.get(f"{base}/v1/tasks/{task_id}",headers={"Authorization": f"Bearer {api_key}"})v = r.json()if v["status"] == "completed":print(v.get("data") or v.get("upstream_response") or v)break
const base = "https://api.sealink.io";const headers = { Authorization: `Bearer ${process.env.SEALINK_API_KEY}` };// Submitconst resp = await fetch(`${base}/v1/video/generations`, {method: "POST",headers: { ...headers, "Content-Type": "application/json" },body: JSON.stringify({model: "seedance-2-0-fast",prompt: "A cat walking along a beach at sunset",size: "720p",duration: 5,generate_audio: false}),});const task = await resp.json();const taskId = task.id;// Poll until completelet video;do {await new Promise(r => setTimeout(r, 5000));const r = await fetch(`${base}/v1/tasks/${taskId}`, { headers });video = await r.json();} while (video.status !== "completed");console.log(video.data || video.upstream_response || video);