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.
Model capabilities
Built for production API workflows, not one-off demos.
Use Seedance 2.0 Fast from the same platform surface as the rest of your video and image stack: API keys, credits, logs, webhooks, and docs stay consistent across providers.
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.
Submit tasks, track progress, and return generated assets.
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"
}
}'Pricing and usage
Clear model options with shared credits.
Lowest-cost reference workflow
Fast draft generation
Balanced quality and speed
Higher-quality drafts
Start building with Seedance 2.0 Fast in AI Video API.
Create one API key, use one credit balance, and switch between video and image models without provider-specific plumbing.