HappyHorse 1.0 on PixVerse

PixVerse API v2 now supports HappyHorse 1.0 — Alibaba’s #1-ranked video model. Native 1080p, audio always on (cannot be disabled), free for Pro+ subscribers until May 7, 2026 07:00 UTC.

Field	Value
model	happyhorse-1.0
quality	720p, 1080p
duration	3–15 seconds
aspect_ratio (t2v)	16:9, 9:16, 1:1, 4:3, 3:4
Modes	t2v, i2v (no fusion / no reference)

See Model Capabilities and POST /videos/create for the full spec.

POST /videos/create — image-to-video example

Starting frame

curl -X POST 'https://api.useapi.net/v2/pixverse/videos/create' \
    -H 'Authorization: Bearer user:12345-…' \
    -H 'Content-Type: application/json' \
    --data '{
      "email": "[email protected]",
      "model": "happyhorse-1.0",
      "prompt": "A 15-second cinematic shot. The cigarette in her left hand is UNLIT … she smirks and says clearly: \"You'\''re late.\"",
      "duration": 15,
      "quality": "1080p",
      "first_frame_path": "upload/<uuid>.jpeg"
    }'