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

# happyhorse-1.0-t2v

> API usage guide for happyhorse-1.0-t2v.

{/* source_model_id: happyhorse-1.0-t2v */}

{/* source_updated_at: 1776980799 */}

**Model ID**

```bash theme={null}
happyhorse-1.0-t2v
```

**Calling method:** async

# happyhorse1.0-t2v API Usage Guide

## 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.

## Authentication

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

Authorization: Bearer YOUR\_API\_KEY

## Submit Video Generation Request

POST /api/v1/ie/requestqueue/apikey/requests

```json theme={null}
{
  "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
  }
}
```