HappyHorse 1.1
HappyHorse 1.1 from $0.21/sec — 3–15 second clips at up to 1080p with seven aspect ratios.
Alibaba's HappyHorse 1.1 video model. 3–15 second clips at 720p or 1080p across seven aspect ratios, including 21:9 and 9:21 — 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 1.1.
Drop image or click to upload
For image-to-video (first/last frame)
Pricing
Per-second: from $0.21/sec (720p), $0.27/sec (1080p)
Endpoint
/v1/media/queue
Strengths
Includes 21:9 and 9:21 alongside the standard set, covering cinematic and tall-vertical formats.
Thirteen duration options so a shot matches the edit without trimming.
Choose resolution per job and pay accordingly — $0.21/sec at 720p, $0.27/sec at 1080p.
Animate a still by passing it as the first frame.
Quick start
Copy this snippet and start making calls with HappyHorse 1.1.
// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
method: 'POST',
headers: {
'x-api-key': 'YOUR_API_KEY',
'Content-Type': 'application/json',
},
body: JSON.stringify({
"model": "alibaba/happyhorse-1.1",
"prompt": "A tram gliding through a snowy old-town street at night, warm windows passing the camera, flakes catching the headlights, quiet winter atmosphere",
"options": {
"aspectRatio": "16:9",
"resolution": "1080p",
"duration": "6"
}
}),
});
const { data } = await res.json();
const jobId = data.jobId;
// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${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 1.1 through YepAPI?
HappyHorse 1.1 API — Alibaba video from $0.21/sec
HappyHorse 1.1 is Alibaba's current HappyHorse video model, generating 3 to 15 second clips at 720p or 1080p with an unusually broad set of aspect ratios including 21:9 and 9:21.
On YepAPI it runs on `/v1/media/queue` with per-second pricing from $0.21 and first-frame image-to-video support.
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
Alibaba's HappyHorse 1.1 video model. 3–15 second clips at 720p or 1080p across seven aspect ratios, including 21:9 and 9:21 — from $0.21 per second.
Pricing for HappyHorse 1.1 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 1.1?
$5 free credit on signup. No credit card required. Pay per call.
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