Generates a presigned S3 URL for a specific file variant (original, redact, or OCR). Supports browser behavior overrides such as inline vs attachment, custom filename, and expiration time.
The unique ID of the file.
Which file variant to sign. If not provided, defaults to original.
original, redact, ocr Expiration time in seconds for the signed URL. Must be between 60 and 86400 seconds.
60 <= x <= 86400Optional filename override used in the Content-Disposition header.
Signed URL successfully generated.