VIDEO GENERATION API

Happy Horse Image to Video API

Expressive image animation tuned for lively motion, stylized characters, and playful scenes. Route it through one ManifoldGen key and receive a recoverable asynchronous job.

Authentication

Bearer API key

Response

Async job + status URL

Request schema

servicevideo_generateRequired

modelalibaba/happy-horse/image-to-videoRequired

promptstringRequired

image_urlHTTPS URLRequired

duration5 | 105

resolution720p720p

aspect_ratio16:9 | 9:16 | 1:1 | 4:3 | 3:416:9

Job lifecycle: POST to /api/service, read result.job_id, then poll /api/video-jobs/{job_id} every 2–5 seconds. Completed jobs contain a durable video_url.

Open the visual generator

Live API tester

Generator controls

Describe the shot

Starting image URL

Use a public HTTPS URL. Uploads from the homepage and Studio provide one automatically.

DurationAspect ratioResolutionSeed

Output

Example output

Edit in Studio Open video

API request

curl https://manifoldgen.com/api/service \
  -X POST \
  -H "Authorization: Bearer $MANIFOLDGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "service": "video_generate",
  "model": "alibaba/happy-horse/image-to-video",
  "prompt": "Bring the scene in the image to life.",
  "duration": 5,
  "aspect_ratio": "16:9",
  "resolution": "720p",
  "output_format": "mp4",
  "include_audio": false,
  "image_url": "https://openpathsstatic.openpaths.io/static/uploads/playground/happy-horse/rap.png"
}'

The API and this tester use the same request. Provider routing stays behind ManifoldGen.