Overlay a watermark image onto an image
| Param | Type | Description |
|---|---|---|
| watermark_url | string | URL of the watermark image |
| position | string | Placement position (e.g., center, bottom-right, top-left) |
| opacity | number | Watermark opacity (0.0-1.0) |
Single input URL
"https://example.com/video.mp4"
[
{
"type": "transcode",
"params": { "format": "mp4", "codec": "h264" }
}
]URL to receive job completion notification
File size hint in bytes (for plan limit validation)