BatchDocumentRequest

{
    "documents": [
        {
            "delivery": {
                "companyCode": "GO51104",
                "companyBranchCode": "00000",
                "email": "buyer@example.com"
            },
            "header": {
                "documentType": "388",
                "templateNo": "INV-7QX2K9",
                "issueDate": "2026-06-17T10:30:00+07:00",
                "isVatIncluded": false,
                "buyer": {
                    "name": "บริษัท ตัวอย่าง จำกัด",
                    "taxId": "0105556000000",
                    "taxIdSchemeId": "TXID",
                    "branchNo": "00000",
                    "buildingNumber": "123",
                    "street": "สุขุมวิท",
                    "subDistrictCode": "100502",
                    "districtCode": "1005",
                    "provinceCode": "10",
                    "postCode": "10110",
                    "countryCode": "TH"
                }
            },
            "items": [
                {
                    "lineId": 1,
                    "productName": "บริการที่ปรึกษา",
                    "unitPrice": 1000,
                    "quantity": 2,
                    "unit": "ครั้ง",
                    "vatTypeCode": "VAT"
                }
            ],
            "remark": "ชำระภายใน 30 วัน"
        }
    ]
}