How is the happyhorse-1.1-t2v API billed?

happyhorse-1.1-t2v is pay-as-you-go from ¥0.18 from / s. The rate depends on output resolution (480p / 720p / 1080p) and whether video input is included; see the pricing table on this page. Billed at EasyAPI's public price, no subscription required.

How do I call happyhorse-1.1-t2v through the API?

EasyAPI exposes an OpenAI-compatible API: create an API key in the console, set base_url to https://token.easyapi.com and model to alibaba/happyhorse-1.1-t2v, then send requests to /v1/videos. The Quick Start on this page includes cURL, Python and TypeScript examples; official OpenAI SDKs only need the base_url swapped.

Which video generation parameters does happyhorse-1.1-t2v support?

prompt, duration, resolution (480p / 720p / 1080p), aspect_ratio, generate_audio, seed and input_references (first frame, last frame, reference video and audio) for text-to-video and image-to-video. See the Parameters table on this page for details.

How do I get started with happyhorse-1.1-t2v?

Sign up for EasyAPI, create an API key in the console and top up your balance to call happyhorse-1.1-t2v pay-as-you-go, no subscription needed. You can also try it in the online Playground first, then copy the Quick Start example.

happyhorse-1.1-t2v

Name: happyhorse-1.1-t2v
Brand: Alibaba
Price: 0.18 CNY
Availability: InStock

视频

HappyHorse-1.1-T2V支持文生视频，进一步提升文本语义理解、镜头调度与动态生成表现。模型能够更精准地还原创作意图，在人物动作、场景氛围、视觉美感和物理运动上生成更流畅自然、细节丰富且一致性更高的高质量视频。

Resolution

480p

720p

1080p

Output price

60% off

¥0.18/ sMarket: ¥0.45

¥0.36/ sMarket: ¥0.9

¥0.48/ sMarket: ¥1.2

Input

Text

Output

Video

Input

Video script *

Exact size

Duration 5

315

生成视频的时长，单位秒，取 [3,15] 之间整数。

Resolution

生成视频的分辨率档位。

Aspect ratio

生成视频的宽高比。

Seed

随机数种子，默认系统自动生成，固定后可提升结果可复现性。

是否在生成视频右下角添加“Happy Horse”水印。

Optional. Slots follow the model's input_references declaration; upload a local file or paste a public URL.

First frame imageimage · first_frame

Click to upload

Last frame imageimage · last_frame

Click to upload

Last frame requires a first frame URL

Reference videovideo · reference_video

Click to upload

Reference audioaudio · reference_audio

Click to upload

Output

Name	Type	Required	Default	Description
`model`	string	Yes	—	Model ID, e.g. bytedance/seedance-2.0. Currently alibaba/happyhorse-1.1-t2v
`aspect_ratio`	string	No	16:9	生成视频的宽高比。；可选：16:9 / 9:16 / 1:1 / 4:3 / 3:4 / 4:5 / 5:4 / 9:21 / 21:9
`duration`	integer	No	5	生成视频的时长，单位秒，取 [3,15] 之间整数。；范围：3 ~ 15
`prompt`	string	Yes	—	文本提示词，描述期望生成的视频内容，支持任意语言，超长自动截断。；最大长度：5000
`resolution`	string	No	1080P	生成视频的分辨率档位。；可选：480P / 720P / 1080P
`seed`	integer	No	—	随机数种子，默认系统自动生成，固定后可提升结果可复现性。；范围：0 ~ 2147483647
`watermark`	boolean	No	true	是否在生成视频右下角添加“Happy Horse”水印。

happyhorse-1.1-t2v FAQ

How is the happyhorse-1.1-t2v API billed?: happyhorse-1.1-t2v is pay-as-you-go from ¥0.18 from / s. The rate depends on output resolution (480p / 720p / 1080p) and whether video input is included; see the pricing table on this page. Billed at EasyAPI's public price, no subscription required.
How do I call happyhorse-1.1-t2v through the API?: EasyAPI exposes an OpenAI-compatible API: create an API key in the console, set base_url to https://token.easyapi.com and model to alibaba/happyhorse-1.1-t2v, then send requests to /v1/videos. The Quick Start on this page includes cURL, Python and TypeScript examples; official OpenAI SDKs only need the base_url swapped.
Which video generation parameters does happyhorse-1.1-t2v support?: prompt, duration, resolution (480p / 720p / 1080p), aspect_ratio, generate_audio, seed and input_references (first frame, last frame, reference video and audio) for text-to-video and image-to-video. See the Parameters table on this page for details.
How do I get started with happyhorse-1.1-t2v?: Sign up for EasyAPI, create an API key in the console and top up your balance to call happyhorse-1.1-t2v pay-as-you-go, no subscription needed. You can also try it in the online Playground first, then copy the Quick Start example.

Related models

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HappyHorse-1.1-I2V支持图生视频，进一步提升画面质感、动态表现与跨片段一致性。模型能够更精准地理解输入图像并延续创作意图，在人物皮肤质感、ID跨片段保持、动作流畅度、文字渲染稳定性以及音画同步上带来显著改善，输出更真实自然、细节丰富且一致性更高的高质量视频。

视频

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Resolution	Output price
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happyhorse-1.1-t2v

Input

Output

Input

Output

Quick Start

Get your API key

Make your first request

Endpoint

Parameters

Using third-party SDKs

happyhorse-1.1-t2v FAQ

Related models

happyhorse-1.1-i2v

happyhorse-1.1-r2v

wan3.0-video

Kling-2.1

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