
A description of the desired elements and visual style for the generated video. Input in any language is supported. The length is limited to 5,000 non-Chinese characters or 2,500 Chinese characters. Content exceeding this limit is automatically truncated. Image referencing: In the prompt, use "[Image 1]" and "[Image 2]" to refer to the corresponding reference image in the media array. The order must be consistent with the order in the media array. When using a reference, specify the object in the image, such as "the woman in a red qipao in [Image 1]".
0/5000Click to upload or drag and drop
Supported formats: JPEG, PNG, WEBP, JPG Maximum file size: 20MB; Maximum files: 9
The URL of a reference image. Image requirements: 1. Formats: JPEG, JPG, PNG, WEBP. 2. Resolution: The shortest side must be at least 400 pixels. A clear image with a resolution of 720P or higher is recommended. Avoid using images that are too small, blurry, or overly compressed, as this can degrade the output quality. 3. Maximum file size: 20 MB.
The resolution tier of the generated video.
The aspect ratio of the generated video.
The duration of the generated video, in seconds. Value range: An integer from 3 to 15.
Text description of the video to generate. Supports any language. Maximum 5,000 non-Chinese characters or 2,500 Chinese
0/5000Output video resolution.
Output video aspect ratio.
Output video duration in seconds.
Describes the video content to generate. Supports any language. Maximum: 5,000 non-Chinese characters or 2,500 Chinese
0/5000Click to upload or drag and drop
Supported formats: JPEG, PNG, WEBP, JPG Maximum file size: 20MB; Maximum files: 1
The URL of the first frame image. Image constraints: 1. Formats: JPEG, JPG, PNG, WEBP. 2. Resolution: Width and height must both be at least 300 pixels. 3. Aspect ratio: Between 1:2.5 and 2.5:1. 4. File size: Up to 20 MB.
The resolution of the generated video.
The duration of the generated video, in seconds. The value must be an integer in the range [3, 15]. Default: 5
README
Complete guide to using HappyHorse-1.1
Happy Horse 1.1 API – Access Alibaba HappyHorse-1.1 on Kie.ai

curl https://api.kie.ai/api/v1/jobs/createTask \-H "Authorization: Bearer $KIE_API_KEY" \-H "Content-Type: application/json" \-d '{"model": "happyhorse-1-1/text-to-video","input": {"prompt": "A horse galloping along a beach at golden hour","resolution": "1080p","aspect_ratio": "16:9","duration": 5}}'
Access Alibaba HappyHorse-1.1 API on Kie.ai

Core Capabilities of Happy Horse 1.1 API
Advanced Text-to-Video Generation with HappyHorse-1.1 T2V API
High-Consistency Image-to-Video Generation with HappyHorse-1.1 I2V API
Multi-Image Reference-to-Video Generation with HappyHorse-1.1 R2V API
Realistic Motion Generation and Character Consistency in HappyHorse-1.1 API
Happy Horse 1.1 API vs Seedance 2.0 API
Happy Horse 1.1 vs Seedance 2.0: Which AI Video Model Should You Choose?
Access Happy Horse 1.1 API and Seedance 2.0 on Kie.ai
How to Use Happy Horse 1.1 API on Kie.ai
- 1
Try Happy Horse 1.1 API Online Before Integration
Test HappyHorse-1.1 directly in the online playground using free credits. Evaluate video quality, generation speed, and outputs before writing any code. - 2
Choose a HappyHorse-1.1 Video Generation Mode
Select HappyHorse-1.1 T2V, I2V, or R2V depending on whether you want to generate videos from text, images, or reference images. - 3
Submit Prompts or Images to Happy Horse 1.1 API
Provide a text prompt, upload an image, or add reference images to guide the HappyHorse-1.1 video generation process. - 4
Generate and Integrate AI Videos with Happy Horse 1.1 API
Each Happy Horse 1.1 API request returns a taskId, and you get the finished video through your callBackUrl or Get Task Details, making it easy to integrate into applications, workflows, and AI video platforms.
What Can You Build with Happy Horse 1.1 API on Kie.ai
Build AI Video Generator Apps with Happy Horse 1.1 API
Build Character-Consistent AI Storytelling with HappyHorse-1.1
Generate Product Demo Videos with HappyHorse-1.1 Image-to-Video
Produce Brand Videos with Alibaba HappyHorse 1.1 Reference-to-Video
Why Choose Happy Horse 1.1 API on Kie.ai?
- 1
Access Happy Horse 1.1 API and HappyHorse-1.0 Through One Unified API
Integrate Happy Horse 1.1 API and HappyHorse-1.0 through a single API platform. Switch between models easily and build AI video applications without managing multiple providers or infrastructures. - 2
Try Happy Horse 1.1 API Free with Online Playground and Free Credits
Test Happy Horse 1.1 AI Video Generator instantly using free credits for new users. Explore text-to-video, image-to-video, and reference-to-video workflows directly in the online playground before deployment. - 3
Affordable HappyHorse AI API Pricing with Fast Video Generation
Get competitive HappyHorse AI API pricing without compromising generation speed or output quality. Scale AI video products efficiently while keeping infrastructure and operating costs under control. - 4
Integrate Happy Horse 1.1 API Faster with Clear Documentation
Launch projects quickly with developer-friendly documentation, straightforward API endpoints, code samples, and integration guides designed for rapid implementation and production use. - 5
Get Fast Access to Latest HappyHorse Model Updates
Kie.ai already offers both HappyHorse-1.0 and HappyHorse-1.1 through the same API. Kie.ai continuously expands its model library, helping developers adopt the latest capabilities as soon as they are available. - 6
Dedicated Developer Support for HappyHorse AI API Projects
Get help with API integration, billing, and production deployment through private 1-on-1 support on Discord or Telegram, opened from the bottom-left menu of your dashboard. Support hours are UTC 21:00 to UTC 17:00 the next day, and you can also email [email protected].