Doubao Seedance 1.5 Pro
Doubao Seedance 1.5 Pro is a Doubao video generation model, making it suitable for general video creation.
Seedance 1.5 Pro API: ByteDance AI Audio-Video Generation
Access Seedance 1.5 Pro on MindVideo API for text-to-video and image-to-video generation with synchronized audio and consistent visuals. Create ads, product videos, and social clips through a simple API.
Core Highlights of Seedance 1.5 Pro
Native Audio-Video Generation
Generate synchronized video and audio in a single pass. Create ambient sounds that match the scene, character voices that follow the emotion, and background music that fits the mood, all coordinated with what happens on screen.
Multilingual and Dialect Accent Support
Supports speech generation in multiple languages and regional accents, including English, Chinese, Japanese, Korean, Spanish, Indonesian, Mandarin, Shaanxi dialect, and Sichuan dialect for more realistic local speech.
Improved Lip-Sync
Keeps speech and mouth movements aligned across different languages and dialects. It maps spoken sounds to matching lip shapes so generated characters speak with more natural timing and expression.
Film-Grade Camera Motion Control
Interprets camera-motion descriptions precisely, including panning, tilting, zooming, tracking, side-to-side movement, and orbit-style motion. Use camera movement to evoke emotions and create professional, cinematic visuals.
Stronger Character Consistency & Narrative Coherence
Preserves key features of each character across different scenes and shots, including facial details, body shape, and clothing. Extends narrative content while keeping emotions, expressions, and actions consistent.
Core API Parameters of Seedance 1.5 Pro
| Parameter | Type | Required | Description |
|---|---|---|---|
prompt |
string | Yes | Describes the video you want to generate. This is the main input for text-to-video and guided image-to-video generation. |
duration |
integer | No | Sets the video length. Supported range: 4 to 12 seconds. Default: 5. |
resolution |
string | No | Sets the output resolution. Available options: 480p, 720p, 1080p. Default: 720p. |
aspect_ratio |
string | No | Sets the video frame format. Available options: 16:9, 9:16, 1:1, 4:3, 3:4, 21:9. Default: 16:9. |
audio |
boolean | No | Enables or disables audio generation. Default: false. |
camerafixed |
boolean | No | Controls whether the camera stays fixed during generation. Default: false. |
seed |
integer | No | Sets a seed for generation control or repeatable testing. Supported range: -1 to 4294967295. |
image_urls |
array | No | Adds reference images. One image is treated as the first frame. Two images are treated as the first and last frame. Maximum: 2 images. |
image_with_roles |
array | No | Lets you explicitly assign image roles such as first_frame and last_frame. Maximum: 2 images. Cannot be used together with image_urls. |
How to Use Seedance 1.5 Pro API on MindVideo API
Sign Up & Add Balance
Create a MindVideo API account or log in directly with your MindVideo AI account. After that, you can access the API console and add balance as needed, no hidden fees.
Create Your API Key
Generate a Seedance 1.5 Pro API key from the current page or inside the MindVideo API console. You can also use the console to view and manage your API keys when needed.
Call the API to Start Creating
Use your API key to send a request to the Seedance 1.5 Pro API endpoint. When the job is complete, use the returned video URL in your app, website, or other projects.
Use Cases for Seedance 1.5 Pro API
Film and Storytelling Clips
Turn scripts, storyboards, or prompts into professional-quality short videos. With stronger character consistency, narrative coherence, camera-motion control, and native audio-video generation, it helps creators build AI shorts, cinematic storyboards, and serialized story content.
Product Videos & Marketing Content
Create product demos, promotional clips, and creative ads from product images, descriptions, or campaign ideas. The model can combine product visuals, messaging, camera movement, voice, and background audio into ready-to-use marketing videos.
Educational and Training Videos
Turn complex knowledge points, dry learning materials, and abstract concepts into visual content. With AI avatar explainers, concept demos, process walkthroughs, and case-based animations, Seedance 1.5 Pro API makes educational content more visual, easier to absorb, and more engaging from start to finish.