Reference Assets

Upload local images, videos, and audio to the temporary asset endpoint. The returned data.url can be placed in a video request's images, videos, or audios array.

Temporary files are periodically removed

Uploaded assets and generated results are temporary. Their URLs may expire during periodic cleanup. Download and store required files promptly; do not treat returned URLs as permanent storage.

# Image
curl -X POST "https://ai.silicogrove.com/pg/assets" -H "Authorization: Bearer YOUR_API_KEY" -F "kind=image" -F "file=@/path/to/ref.jpg"

# Video
curl -X POST "https://ai.silicogrove.com/pg/assets" -H "Authorization: Bearer YOUR_API_KEY" -F "kind=video" -F "file=@/path/to/ref.mp4"

# Audio
curl -X POST "https://ai.silicogrove.com/pg/assets" -H "Authorization: Bearer YOUR_API_KEY" -F "kind=audio" -F "file=@/path/to/ref.mp3"

Response example

{"success":true,"data":{"kind":"image","url":"https://file.lunadownload.com/temporary/2026/08/11/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx.jpg","filename":"ref.jpg","content_type":"image/jpeg","size":123456}}

kind	Formats	Maximum file size
image	jpg, png, webp	10 MiB
video	mp4, mov, webm	100 MiB
audio	mp3, m4a, wav, aac, ogg, webm	20 MiB