Seedance 2.0 API is now live
Seedance 1.5 Pro API
The Seedance 1.5 Pro API gives you access to ByteDance's per-second video generation model. Create short videos from text or images with 480p/720p/1080p resolution, optional sound, aspect ratio control, and fixed-lens mode — all through a single API.
Parameters
Output
Generated content will appear here
Seedance 1.5 Pro API Complete Guide
Learn how to integrate the Seedance 1.5 Pro API, explore text-to-video and image-to-video capabilities, and start generating professional videos for your applications.
What is the Seedance 1.5 Pro API?
The Seedance 1.5 Pro API is ByteDance's per-second video generation model designed for fast developer integration. It supports text-to-video and image-to-video workflows, optional sound, flexible aspect ratios, and a fixed-lens mode for stable camera shots.
The Seedance 1.5 Pro API delivers per-second pricing for predictable budgets. Choose from 480p for cost efficiency, 720p for balanced quality, or 1080p for highest fidelity. Teams can use APIXO to launch fast experiments and scale production video workflows.
Why Developers Choose the Seedance 1.5 Pro API
Key advantages that make the Seedance 1.5 Pro API stand out for video generation
Seedance 1.5 Pro API delivers per-second pricing for predictable budgets
Seedance 1.5 API supports text-to-video and image-to-video modes
Resolution options: 480p for cost efficiency, 720p for balanced quality, or 1080p for highest fidelity
Sound toggle to generate videos with or without audio
Aspect ratio control across 1:1, 3:4, 4:3, 9:16, 16:9, 21:9
Fixed-lens mode keeps the camera steady for product demos
Async task workflow with polling or callback support
Image-to-video accepts up to two images with optional tail frame
What Can You Build with the Seedance 1.5 Pro API?
From marketing campaigns to creative tools, the Seedance 1.5 Pro API powers diverse video workflows
SMB Marketing Teams
Use the Seedance 1.5 Pro API to create cost-effective promo videos for SMB marketing with predictable per-second pricing and consistent brand framing.
Short Promo Clips
Generate short promo clips with the Seedance 1.5 Pro API using fixed-lens mode for stable, professional-looking product showcases.
Product Highlight Reels
Create product highlight reels with the Seedance 1.5 Pro API. Fixed camera movement keeps focus on your product while subtle lighting adds polish.
Social Media Snippets
Produce social media snippets in vertical or square formats with the Seedance 1.5 Pro API for Instagram, TikTok, and Stories.
Storyboard Animatics
Turn keyframes into storyboard animatics using the Seedance 1.5 Pro API image-to-video mode for rapid concept validation.
App Onboarding Videos
Create app onboarding videos with the Seedance 1.5 Pro API. Run with voiceover off for localization-safe variations.
Localization-Safe Variations
Generate video variations without embedded audio using the Seedance 1.5 Pro API, ideal for multi-language dubbing workflows.
Rapid Concept Testing
Test video concepts quickly with the Seedance 1.5 Pro API and per-second costs. Iterate on ideas without large upfront spend.
Seedance 1.5 Pro API Technical Specs
Performance, resolution, and output details for the Seedance 1.5 Pro API
Max Duration
Up to 12 seconds
Resolutions
480p, 720p, or 1080p
Audio
Optional sound
Seedance 1.5 Pro API Pricing (Per Second)
Select resolution and sound to set the per-second rate, then multiply by your chosen duration.
Prices per second. Multiply by duration for total cost.
Example: 480p with sound off at 8 seconds costs $0.08.
Seedance 1.5 Pro API Developer Reviews
Feedback from teams using the Seedance 1.5 Pro API in production
“The Seedance 1.5 Pro API makes budgeting simple with per-second rates and consistent output quality.”
Jordan Smith
Growth Engineer
“We ship short promos quickly because the Seedance 1.5 Pro API playground shows costs instantly.”
Mia Johnson
Product Manager
“The API docs are clean, and fixed-lens mode keeps our product shots consistent.”
Alex Lee
Creative Technologist
Seedance 1.5 Pro API Known Limitations
Current constraints to consider when integrating the Seedance 1.5 Pro API
Available durations are 4, 8, or 12 seconds in the playground
Sound must be set explicitly to true or false
Image-to-video requires 1-2 reference images
Aspect ratio defaults to 1:1 if not provided
Fixed-lens disables dynamic camera motion
Content must comply with provider safety policies
Start Building with the Seedance 1.5 Pro API Today
Try the Seedance 1.5 Pro API in the playground above, or jump straight into the documentation to integrate it into your project.