Happy Horse API via varg
What is Happy Horse
Happy Horse is a text-to-video model from fal. It is exposed through varg under the model key fal:alibaba/happy-horse/text-to-video.
Happy Horse via varg vs. calling fal directly
| Feature | Calling fal directly | Via varg |
|---|---|---|
| Separate fal account / API key | Required | Not required |
| Combine with other models in one pipeline | No | Yes (JSX composition) |
| Automatic caching | No | Yes |
With varg, you do not need your own fal credentials. You can compose Happy Horse with other models in a single JSX pipeline, and varg provides automatic caching and unified credit billing.
Pricing
Happy Horse costs $4.41 per second of output via varg. The pricing type is per-second conditional.
Code example
curl -X POST https://api.varg.ai/v2/video \
-H "Authorization: Bearer $VARG_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "happy_horse",
"prompt": "slow push-in on a ceramic coffee mug on a wooden table, soft morning light"
}'
happy_horse is the model id in varg's live catalog. To see every input this model accepts, call GET https://api.varg.ai/v2/tools/video?model=happy_horse; see docs.varg.ai for the response shape.
When to use Happy Horse vs. sibling models
The current source data does not include sibling video models for direct comparison. When additional video models are available in the dataset, this section will compare them on price, speed, and output characteristics. For now, choose Happy Horse when you need a fal text-to-video model accessible through varg.
FAQ
How much does Happy Horse cost via varg?
Happy Horse costs $4.41 per second of output via varg. The pricing type is per-second conditional.
Do I need a fal account to use Happy Horse?
No. varg acts as a multi-provider gateway, so you can call fal:alibaba/happy-horse/text-to-video with your varg credentials and do not need a separate fal API key.
What kind of model is Happy Horse?
Happy Horse is a text-to-video model provided by fal.