Key Capabilities
- Image-to-video — Use one image as the first frame, with text description driving motion
- Resolution — 720P / 1080P
- Aspect ratio — 16:9, 9:16, 1:1, 4:3, 3:4
- Duration — 3–15 seconds
- Watermark control — Optionally disable the bottom-right watermark
Workflow
Quick Example
Theimagefield accepts a single URL. You can also use theimages: [...]array form (only the first image is used as the first frame).
Parameters
Billing
Billed by resolution tier × user-requested duration. The pre-charged amount is the final amount. Failed tasks are automatically refunded.API Reference
HappyHorse 1.0 I2V interactive Playground.
Task Query
Poll task status and retrieve the final video URL.