Upload starts rate
Max /api/upload/init calls on the Files tab per member account + IP per hour. Default 300.
Upload starts rate
Max new file upload sessions on the Upload page Files tab, per member account + IP per hour. Each selected file calls /api/upload/init once.
Where to find it
Admin → Settings → Mods → Upload sources → Upload starts rate (shown when Desktop uploader is on)
Setting key: upload_source_file_init_rate_per_hour
Default 300 (Upload page only - Member API has separate API rate keys).
Nginx edge limits, if enabled, are IP-only and separate from this app counter.
Common problems
Bulk selecting hundreds of files fails mid-batch
Init rate. Raise the limit or split batches.