AI Video APISeedance 2.0 Fast API
Rapid Seedance generation for drafts, testing, and scale.
Seedance 2.0 Fast keeps the same multimodal request shape as Seedance 2.0 while optimizing for lower-cost iteration. Use it for prompt exploration, ad variants, storyboard previews, and batch generation before promoting the best concepts to the standard model.
模型能力
为生产级 API 工作流设计，不只是演示。
Seedance 2.0 Fast 与你接入的其他视频和图片模型共用同一套 API Key、积分、日志、Webhook 和文档体系。
Low-cost creative iteration
Explore many prompt, reference, and aspect-ratio combinations before spending more on final output.
Same Seedance API shape
Use the same content array, callback workflow, and model switch as the standard Seedance endpoint.
Reference-aware previews
Guide motion, composition, and identity from uploaded references while keeping generation fast.
Batch-friendly output
Run high-volume experiments for creative tools, ad systems, and automated short-form pipelines.
提交任务、跟踪进度、取回生成结果。
Submit prompt and references
Send a Seedance task with model set to doubao-seedance-2.0-fast.
Iterate on outputs
Compare prompt, duration, resolution, and reference variations at lower cost.
Promote winning cuts
Use callbacks or polling to move approved results into your product workflow.
curl -X POST https://api.aivideoapi.ai/v1/videos/generations \
-H "Authorization: Bearer sk-your-api-key" \
-H "Content-Type: application/json" \
-d '{
"model": "doubao-seedance-2.0-fast",
"input": {
"prompt": "A quick cinematic storyboard preview",
"duration": 5,
"resolution": "720p",
"ratio": "16:9"
}
}'定价与用量
清晰的模型选项，共享积分余额。
Lowest-cost reference workflow
Fast draft generation
Balanced quality and speed
Higher-quality drafts
在 AI Video API 上开始使用 Seedance 2.0 Fast。
一个 API Key、一份积分余额，在视频和图片模型之间无缝切换，无需为每家供应商单独接入。