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HappyHorse 1.0 T2V is the text-to-video model in Alibaba’s HappyHorse video generation series. Uses an asynchronous task interface — submit a task and poll until completion.

Key Capabilities

  • Text-to-video — Generate video from text description alone
  • Resolution — 720P / 1080P
  • Aspect ratio — 16:9, 9:16, 1:1, 4:3, 3:4
  • Duration — 3–15 seconds
  • Watermark control — Optionally disable the “Happy Horse” watermark in the bottom-right corner

Workflow

Quick Example

Parameters

Optional parameters can be placed at the request top level or inside the parameters object — both are equivalent.

Billing

Billed by resolution tier × user-requested duration. The pre-charged amount is the final amount:
  • duration: 5 → charged for 5 seconds (even if the upstream actually generates 6 seconds, billed at 5)
  • Failed tasks are automatically refunded

API Reference

HappyHorse 1.0 T2V interactive Playground.

Task Query

Poll task status and retrieve the final video URL.