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Model ID 
happyhorse-1.0-t2v
Calling method: async

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happyhorse1.0-t2v API Usage Guide

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Overview

happyhorse1.0-t2v is Wan AI’s latest text-to-video model with improved visual quality and more flexible controls. It supports separate resolution and aspect-ratio selection, continuous duration from 2 to 15 seconds, and optional audio-driven generation. Requests are submitted to the request-queue API and results are retrieved via polling.

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Authentication

All API requests require authentication using an API key. Include your API key in the Authorization header: Authorization: Bearer YOUR_API_KEY

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Submit Video Generation Request

POST /api/v1/ie/requestqueue/apikey/requests 
{
  "model": "happyhorse1.0-t2v",
  "payload": {
    "prompt": "A drone shot gliding over a misty forest at sunrise, golden light breaking through the canopy",
    "negative_prompt": "blurry, low quality, distorted",
    "resolution": "1080P",
    "ratio": "16:9",
    "duration": 10,
    "audio_url": null,
    "prompt_extend": true,
    "watermark": false,
    "seed": 12345
  }
}