HappyHorse 1.0
HappyHorse 1.0 from $0.21/sec — the first HappyHorse release, still on the same endpoint.
The first HappyHorse release. 3–15 second clips at 720p or 1080p across seven aspect ratios, with first-frame image-to-video — from $0.21 per second.
No credit card required. Takes 30 seconds.
2,400+
Developers
1.2M+
API calls served
100+
Endpoints
$0.01
Per call
Yep, that's it.
Try it live
Enter a prompt and generate a video with HappyHorse 1.0.
Drop image or click to upload
For image-to-video (first/last frame)
Pricing
Per-second: from $0.21/sec (720p), $0.36/sec (1080p)
Endpoint
/v1/media/queue
Strengths
Useful when you have prompts tuned to HappyHorse 1.0 and want reproducible output.
Same broad framing range as 1.1, from 21:9 cinematic to 9:21 tall vertical.
Thirteen duration options at 720p or 1080p.
Supply a first frame to animate an existing image.
Quick start
Copy this snippet and start making calls with HappyHorse 1.0.
// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
method: 'POST',
headers: {
'x-api-key': 'YOUR_API_KEY',
'Content-Type': 'application/json',
},
body: JSON.stringify({
"model": "alibaba/happyhorse-1.0",
"prompt": "A potter's wheel spinning up, wet clay rising between two hands, slip running down the wrists, overhead light and a dark studio background",
"options": {
"aspectRatio": "16:9",
"resolution": "1080p",
"duration": "6"
}
}),
});
const { data } = await res.json();
const jobId = data.jobId;
// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${jobId}`, {
headers: { 'x-api-key': 'YOUR_API_KEY' },
});
const { data: job } = await status.json();
// job.status: "pending" | "processing" | "completed" | "failed"
// job.result: { text?, image?, audio?, video? }Why use HappyHorse 1.0 through YepAPI?
HappyHorse 1.0 API — Alibaba video generation
HappyHorse 1.0 is the first release of Alibaba's HappyHorse video line, generating 3 to 15 second clips at 720p or 1080p with first-frame image-to-video.
YepAPI keeps it available on `/v1/media/queue` at $0.21 per second so pipelines built against it keep working alongside HappyHorse 1.1.
Start generating in 30 seconds
$5 free credit on signup. No credit card required. Pay per call.
What developers say
“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”
“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”
“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
Frequently asked questions
The first HappyHorse release. 3–15 second clips at 720p or 1080p across seven aspect ratios, with first-frame image-to-video — from $0.21 per second.
Pricing for HappyHorse 1.0 through YepAPI is based on usage. No monthly minimums — you only pay for what you use.
Sign up for a free API key, then send requests to the /v1/media/queue endpoint.
Ready to use HappyHorse 1.0?
$5 free credit on signup. No credit card required. Pay per call.
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