Authorization: ********************
{ "supplier_id": 101, "branch_id": 1, "category_id": 5, "reference_number": "PO-998877" }
{ "success": true, "data": { "batch_id": "BTH-2025-0012", "status": "pending_upload", "created_at": "2019-08-24T14:15:22Z" } }