Video

seedance-2.5

Seedance 2.5 API exposes ByteDance's next-generation audio-video foundation model for production AI video with native 30-second single-pass clips, up to 50 multimodal references, first/last-frame control, region-level edits, and stronger continuity for ads, e-commerce, and film previs.

AI Video30s ClipsMultimodal ReferenceNative Audio

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Service Highlights

99.9% SLA
Official Discounts
Pay-as-you-go
Fast & Low Latency

Input

Model

Reference Task Type

Explicit types validate task constraints before creation. The prompt must still match the selected type or TaskTypeMismatch may fail asynchronously.

Prompt

Duration

Auto

Aspect Ratio

Resolution

Output Format

Seed

Reference Image

Asset URL0/30

Image with Roles

First Frame

Last Frame

Reference Image

Asset URL0/2

Asset URL0/30

First/last frame tasks require Adaptive. When video or audio references are present, frame roles are treated as reference images.

Reference Video

Asset URL0/10

Reference Audio

Upload reference audio

WAV, MP3 (max 15MB, up to 10 audios, duration ≤ 30s)

Audio URL0/10

Output

Video link valid for 72 hours

Pricing Details

Transparent pricing with no hidden fees. Pay only for what you use.

* Actual costs are subject to final output.

* Without a reference video: generation duration × output price. With one: (reference duration + generation duration) × input price.

* Resolution rates are precharge estimates; successful tasks are reconciled using actual token usage.

Seedance 2.5 API — Native 30s AI Video

Create longer single-pass clips with rich multimodal reference control, native audio, and production video workflows through the Seedance 2.5 API on APIMart.

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50K+

Active Users

99.9%

Uptime

Faster

70%

Cost Savings

What Makes the Seedance 2.5 API Different

Powerful ByteDance capabilities for longer, more controllable AI video production

Seedance 2.5 API: Native 30-Second Clips

The Seedance 2.5 API generates clips up to 30 seconds in one pass, helping preserve motion and identity continuity.

Seedance 2.5 API: Multimodal References

Use the Seedance 2.5 API with image, video, and audio references to preserve characters, products, brand style, and scenes.

Seedance 2.5 API: Video Workflows

The Seedance 2.5 API supports text-to-video, image-to-video, and reference-guided workflows for ads, narratives, and product stories.

Seedance 2.5 API: First-Last Frame Control

Use the Seedance 2.5 API with start and end images to guide camera and subject movement between keyframes.

Seedance 2.5 API: Native Audio and Lip Sync

As an audio-video foundation model, Seedance 2.5 supports synchronized sound and dialogue-driven clips without a fully separate audio generation stage.

Seedance 2.5 API: Region-Level Editing

The Seedance 2.5 API can revise local details while preserving surrounding motion and lighting.

Seedance 2.5 API: 3D Camera Blockout

The Seedance 2.5 API supports 3D blockouts for planning camera positions and spatial blocking before rendering.

Seedance 2.5 API: Production Continuity

The Seedance 2.5 API combines longer clips and dense references to preserve continuity across ads, demos, and short narratives.

Seedance 2.5 API Workflows

Production scenarios for Seedance 2.5 API video generation on APIMart

Seedance 2.5 API: Social Ads

Generate 15–30 second Seedance 2.5 API campaign variants with locked product identity, brand style, and native audio for multi-channel ad testing.

Seedance 2.5 API: E-commerce Videos

Use Seedance 2.5 API multimodal references to keep packaging, color, and product detail consistent across lifestyle shots and close-up product demos.

Seedance 2.5 API: Film Previs

Turn scripts, keyframes, and 3D white-model blockouts into longer Seedance 2.5 API previs clips for camera planning and narrative pacing.

Seedance 2.5 API: Continuations

Feed prior frames, clips, and audio references so Seedance 2.5 API can extend or restyle sequences with stronger subject continuity across multi-shot work.

Seedance 2.5 API: Education Clips

The Seedance 2.5 API turns multi-step concepts into a single narrated clip with clearer scene structure.

Seedance 2.5 API: Brand Films

Produce polished short-form brand films and internal communications with controlled motion, lighting, and identity consistency.

Get Started with the Seedance 2.5 API

Start your AI video journey with the Seedance 2.5 API in just a few steps

Get API Key

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Configure Parameters

Test Seedance prompts and settings in the Playground to find your creative style.

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Integrate into Your App

Follow our API documentation to seamlessly integrate Seedance 2.5 API into your products.

Start Creating

User Reviews for Seedance 2.5 API

Example experiences from creator and developer workflows using Seedance 2.5 API

“The visual quality of Seedance 2.5 is incredible! The motion is so smooth and natural, it really elevates my content.”

Sarah Kim

Content Creator

“As a developer, I appreciate the clean API and fast response times. Seedance 2.5 integrates seamlessly into our pipeline.”

Alex Wang

Full-Stack Engineer

Seedance 2.5 API Frequently Asked Questions

Answers about Seedance 2.5 API capabilities, workflows, and usage

What is the Seedance 2.5 API?

The Seedance 2.5 API refers to programmatic access to ByteDance's audio-video model for text, image, and reference-guided AI video generation with production controls. Seedance 2.5 expands earlier Seedance workflows for longer clips and tighter Seedance subject control.

How long can a Seedance 2.5 API video be?

Seedance 2.5 API supports native single-pass clips up to about 30 seconds, reducing the need to stitch multiple short generations for short-form production.

How many references does Seedance 2.5 API support?

Seedance 2.5 API supports up to about 50 multimodal inputs spanning images, video, and audio.

Which workflows does Seedance 2.5 API support?

Supported workflows include text-to-video, image-to-video with first/last-frame control, and reference-guided generation for product consistency, brand style, and multi-shot storytelling.

Does Seedance 2.5 API generate video with audio?

Seedance 2.5 API supports synchronized sound and dialogue-driven clips as an audio-video foundation model.

How does Seedance 2.5 API work on APIMart?

Seedance 2.5 API follows an asynchronous job flow: submit a generation request, receive a task ID, then poll or use webhooks before downloading the result.

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