Start a file upload into a share

POST 
/api/v1/shares/:shareId/files

Requires a valid safebucket_share_token cookie if the share is password-protected. Only allowed when the share has allow_upload: true. Returns a presigned POST policy, mirroring the authenticated upload flow.

Request

Responses

201

Presigned upload policy

400

File exceeds the share's max upload size (SHARE_UPLOAD_SIZE_EXCEEDED)

403

Uploads not allowed, or max uploads reached (SHARE_UPLOAD_NOT_ALLOWED, MAX_UPLOADS_REACHED, SHARE_MAX_UPLOADS_REACHED)

404

Target folder not found (FOLDER_NOT_FOUND)

409

A file with this name already exists in this location (FILE_ALREADY_EXISTS)