av FAL AI (Happy Horse)
Happy Horse 1.0 Image-to-Video
Alibaba Happy Horse 1.0 — #1 ranked I2V with native audio, multilingual lip-sync, up to 15s at 1080p
fal-happy-horse-i2vGenerate video with this model.
/api/v1/videos/generationsGET /api/v1/videos/generations{
"model": "fal-happy-horse-i2v",
"prompt": "A cinematic drone shot over a coastal city at sunset",
"duration": 5,
"resolution": "720p",
"image_url": "https://example.com/start-frame.jpg"
}curl -X POST https://kunya.ai/api/v1/videos/generations \
-H "Authorization: Bearer kunya_YOUR_API_KEY" \
-H "Content-Type: application/json"
-d '{"model":"fal-happy-horse-i2v","prompt":"A cinematic drone shot over a coastal city at sunset","duration":5,"resolution":"720p","image_url":"https://example.com/start-frame.jpg"}'FAL AI (Wan)
Wan 2.2 character replacement — replace the character in a video while preserving scene lighting and motion
API-dokumentationKunya (Kling 4)
Kling 4.0 — flagship text-to-video, up to 30s at 720p/1080p (native audio from prompt)
API-dokumentationOpenRouter (Black Forest Labs)
Black Forest Labs FLUX.3 — continue an existing clip with video continuation (5–20s)
API-dokumentation