> ## Documentation Index
> Fetch the complete documentation index at: https://docs.siray.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Seedance 1.5 Pro se2v

> Seedance 1.5 Pro se2v is ByteDance's professional start-end-to-video model. Generate smooth video transitions between keyframes with high-quality motion interpolation.

### Model Use Cases

"Create seamless video morphs, cinematic transitions, or animated sequences by defining start and end frames with ByteDance's advanced interpolation technology."

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### Key Features

* **Pro-Grade Interpolation:** High-quality motion synthesis between defined keyframes.
* **Start-End Frame Control:** Precise control over first and last frames of the video.
* **Smooth Transitions:** Creates fluid, natural movement between keyframes.
* **Detail Preservation:** Maintains visual fidelity throughout the transition sequence.

<Card title="Get Started with the API" icon="sparkles" href="https://docs.siray.ai/api-reference/model-api/seedance-1.5-pro-se2v" />