ByteDance's Seedance 2.5: clips up to 15 seconds from text, a first and last frame, or reference images, with native audio.
# 1 · start the render
curl https://www.ninjachat.ai/api/v1/videos \
-H "Authorization: Bearer $NINJACHAT_API_KEY" \
-H "Content-Type: application/json" \
-d '{ "model": "seedance-2.5", "prompt": "a paper boat drifting down a neon rain stream", "duration": 8, "aspect_ratio": "16:9" }'
# 2 · poll until it is ready
curl "https://www.ninjachat.ai/api/v1/videos/JOB_ID" \
-H "Authorization: Bearer $NINJACHAT_API_KEY"