/C O R R E C T I O N -- fal/

In the news release, fal Launches HappyHorse-1.0, the #1-Ranked AI Video Model, as Official API Partner, issued 27-Apr-2026 by fal over PR Newswire, we are advised by the company that changes have been made. The complete, corrected release follows, with additional details at the end:

Video Generation Model HappyHorse-1.0 is Available through Official API Partner fal

Happy Horse, a new state of the art video model is now available April 27th via fal's generative media cloud for developers and enterprises

SAN FRANCISCO, April 27, 2026 /PRNewswire/ -- On April 27, 2026 fal launched developer and enterprise access to HappyHorse-1.0, the AI video model from Alibaba. fal is among the first official API providers for the model, giving developers immediate access through its generative media platform on the day of launch.

Access The HappyHorse-1.0 API & Happy Horse Playground Website 

Developers and enterprise customers can access HappyHorse through four API endpoints on fal: image-to-video, reference-to-video, text-to-video, and video-edit. fal offers developer-friendly python and javascript SDKs to reduce manual REST integration time. fal's API endpoint actually exposes the model's unified multimodal capabilities (lip-sync and Foley sounds) rather than just silent video. With fal you have the option to pick between 720p or 1080p resolution and it supports formats like 16:9, 9:16, 1:1, 4:3, 3:4 to ensure your content fits various social platforms. fal also guarantees full commercial rights for all generated outputs. fal's lightning inference speed is optimized with the latest AI infrastructure technology, making it one of the fastest ways to generate content via the HappyHorse-1.0 API.

Official Happy Horse API Endpoints

You can access the official API via fal with 4 API endpoints. You can get an API key from the API Keys page in your dashboard at fal.ai:

• https://fal.ai/models/alibaba/happy-horse/image-to-video

• https://fal.ai/models/alibaba/happy-horse/reference-to-video

• https://fal.ai/models/alibaba/happy-horse/text-to-video

• https://fal.ai/models/alibaba/happy-horse/video-edit

About HappyHorse-1.0

HappyHorse-1.0, built by Alibaba Token Hub Business Group, supports multimodal input and flexible creative workflows, delivering physically convincing simulations with strong semantic understanding and instruction-following, audio-visual synchronization and multi-shot sequencing, and exceptional aesthetic expression capabilities.

A fal spokesperson noted that "HappyHorse is known for producing 1080p video with synced audio, strong lighting, and realistic, emotional, and consistent detail."

The model supports synchronized audiovisual output with native lip-sync support across seven languages: English, Mandarin, Cantonese, Japanese, Korean, German, and French. HappyHorse 1.0 is well-suited for professional use such as advertising, e-commerce, short-form video, and social media marketing.

Happy Horse Use Cases

The model supports use cases ranging from product promos and social content to multi-shot sequences with consistent character identity across frames. Camera direction fidelity, including cues like "slow dolly push-in," "overhead crane shot," and "breeze versus strong wind," are some examples of key differentiators for developers building video production workflows. To get started with using Happy Horse, visit fal.

About fal: fal is a generative media platform for developers and enterprises, specializing in high-performance inference and fine-tuning across image, video, audio, and 3D models. It provides low-latency APIs for state-of-the-art models like HappyHorse-1.0, Seedance 2.0, Nano Banana, and Flux, serving industries such as gaming, e-commerce, and creative production. fal has been among the first official API providers for major model releases across the generative media landscape. The platform supports both self-serve and enterprise customers with immediate model access, high-throughput infrastructure, and dedicated ML engineering support. 

Correction: Extensive changes were made in the headline, paragraph 1 and the About HappyHorse section. 

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SOURCE fal