# Signed Upload URL

**POST** `/v1/utils/S3signedUploadURL`

Generates temporary presigned S3 PUT URLs for uploading files directly to cloud storage.

Clients can issue direct `PUT` HTTP requests with binary payload to the resulting `signedUrl` without sending large files through backend API servers.

### Response fields

**result** Array of upload items containing `fileUri` (permanent accessible file URL) and `signedUrl` (temporary presigned S3 upload link).