Unify

Overview

The Unify API allows you to validate and process Business-to-Business (B2B) invoices. The API supports various document types such as invoices, credit notes, and debit notes and self-billed invoices ensures compliance with relevant tax and invoicing regulations.

e-Invoice Types

Code	Examples	Acceptable Values
01	Invoice	INV
02	Credit Note	CRD
03	Debit Note	DBT
04	Refund Note	RFD
11	Self-billed Invoice	SLF_INV
12	Self-billed Credit Note	SLF_CRD
13	Self-billed Debit Note	SLF_DBT
14	Self-billed Refund Note	SLF_REF

---

API URLs

Property	Value
Sandbox	https://malaysia-sandbox.complyance.io
Production	https://malaysia-prod.complyance.io/
Endpoint	/unify
Method	POST

This endpoint validates and processes invoice data, including seller and buyer details, line items, and tax information.

Headers

Header	Type	Description	Example	Conditionality
x-api-key	string	Your API key	1aN3AQ8ZsggJ0UABAHXVB	Mandatory
invoiceMethod	string	Specify the invoice method (e.g., non-peppol, peppol)	non-peppol	optional
Content-Type	string	Set as application/json	application/json	optional

---

Shell

curl --location 'https://malaysia-prod.complyance.io/unify' \
--header 'x-api-key: k4PW_J0s8DtBSdvYnadXn' \
--header 'Content-Type: application/json'

Javascript

const headers = {
  'x-api-key': 'k4PW_J0s8DtBSdvYnadXn',
  'Content-Type': 'application/json'
};

fetch('https://malaysia-prod.complyance.io/unify', {
  method: 'POST',
  headers: headers
})
.then(function(response) {
    return response.json();
}).then(function(body) {
    console.log(body);
});

Ruby

require 'rest-client'

headers = {
  'x-api-key' => 'k4PW_J0s8DtBSdvYnadXn',
  'Content-Type' => 'application/json'
}

response = RestClient.post 'https://malaysia-prod.complyance.io/unify', {}, headers

puts response.body

Python

import requests

headers = {
  'x-api-key': 'k4PW_J0s8DtBSdvYnadXn',
  'Content-Type': 'application/json'
}

response = requests.post('https://malaysia-prod.complyance.io/unify', headers=headers)
print(response.json())

PHP

<?php

$headers = [
    'x-api-key' => 'k4PW_J0s8DtBSdvYnadXn',
    'Content-Type' => 'application/json'
];

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://malaysia-prod.complyance.io/unify', [
    'headers' => $headers
]);

echo $response->getBody()->getContents();
?>

Java

URL url = new URL("https://malaysia-prod.complyance.io/unify");
HttpURLConnection con = (HttpURLConnection) url.openConnection();
con.setRequestMethod("POST");
con.setRequestProperty("x-api-key", "k4PW_J0s8DtBSdvYnadXn");
con.setRequestProperty("Content-Type", "application/json");

int responseCode = con.getResponseCode();
BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
String inputLine;
StringBuffer response = new StringBuffer();

while ((inputLine = in.readLine()) != null) {
    response.append(inputLine);
}
in.close();
System.out.println(response.toString());

Go

package main

import (
	"net/http"
)

func main() {
	headers := map[string][]string{
		"x-api-key":    []string{"k4PW_J0s8DtBSdvYnadXn"},
		"Content-Type": []string{"application/json"},
	}

	req, err := http.NewRequest("POST", "https://malaysia-prod.complyance.io/unify", nil)
	if err != nil {
		// Handle error
	}

	for key, values := range headers {
		for _, value := range values {
			req.Header.Add(key, value)
		}
	}

	client := &http.Client{}
	resp, err := client.Do(req)
	if err != nil {
		// Handle error
	}
	defer resp.Body.Close()
}

---

Example Request:

    {
    "invoiceDataList": [
        {
            "documentType": "INV",
            "documentId": "Invoice-01",
            "originalEInvoiceReferenceNumber": "",
            "documentIssueDate": "2025-01-06",
            "documentIssueTime": "02:30:00Z",
            "currency": "MYR",
            "currencyExchangeRate": "1",
            "supplierId": "1",
            "sellerTinNumber": "C58794843040",
            "sellerRegistrationIdType": "BRN",
            "sellerRegistrationId": "198801006871",
            "supplierSstRegistrationNumber": "A01-2345-67891012",
            "supplierTourismTaxRegistrationNumber": "123-4567-89012345",
            "buyerId": "1",
            "buyerTinNumber": "C21540299050",
            "buyerRegistrationIdType": "BRN",
            "buyerRegistrationId": "200901037548",
            "buyerSstRegistrationNumber": "234234234",
            "isShippingAndBuyerAddressSame": false,
            "shippingRecipientName": "Greenz Sdn. Bhd.",
            "shippingRecipientTin": "C21540299050",
            "shippingRecipientRegistrationType": "BRN",
            "shippingRecipientRegistrationNumber": "200901037548",
            "totalExcludingTax": "1000",
            "taxTotal": "60",
            "documentTotal": "1060",
            "invoiceAmountExemptedFromTax": "0",
            "invoiceTaxExemptionReason": "Goods acquired with SST exemption under Sales Tax Act 2018. Reference No: (C01-2345-67890123)",
            "invoiceAdditionalDiscountAmount": "0",
            "invoiceAdditionalChargeAmount": "0",
            "totalPayableAmount": "1060",
            "paymentMeans": "1",
             "sellerAddress": {
                "addressLine1": "Lot 66",
                "addressLine2": "Bangunan Merdeka",
                "addressLine3": "Persiaran Jaya",
                "postalCode": "50480",
                "city": "Kuala Lumpur",
                "state": "14",
                "country": "MYS"
            },
            "buyerAddress": {
                "addressLine1": "Lot 66",
                "addressLine2": "Bangunan Merdeka",
                "addressLine3": "Persiaran Jaya",
                "postalCode": "50480",
                "city": "Kuala Lumpur",
                "state": "14",
                "country": "MYS"
            },
            "shippingRecipientAddress": {
                "addressLine1": "Lot 66",
                "addressLine2": "Bangunan Merdeka",
                "addressLine3": "Persiaran Jaya",
                "postalCode": "50480",
                "city": "Kuala Lumpur",
                "state": "14",
                "country": "MYS"
            },
            "supplierDetails": {
                "organizationName": "Name of Supplier",
                "email": "email@supplier.com",
                "industryCode": "01111",
                "industryDescription": "Growing of maize",
                "phoneNumber": "+60-123456789"
            },
            "buyerDetails": {
                "organizationName": "ABC company",
                "email": "name@buyer.com",
                "phoneNumber": "+60-123456789"
            },
            "documentLineItems": [
                {
                    "lineItemId": "1",
                    "commodityClassificationCode": "1",
                    "description": "BOP JETTING SUB, SLEEVE, 8\", REV E, BJS-8000-002 (BJS-8000-002-E)",
                    "unitPrice": "100",
                    "quantity": "10",
                    "lineItemSubtotal": "1000",
                    "discountPercent": "0",
                    "discountAmount": "0",
                    "chargePercent": "0",
                    "chargeAmount": "0",
                    "lineTotalExcludingTax": "1000",
                    "taxType": "1",
                    "taxPercentage": "6",
                    "totalTax": "60",
                    "taxExemptionReason": "Goods acquired with SST exemption under Sales Tax Act 2018. Reference No: (C01-2345-67890123)",
                    "amountExemptedFromTax": "0",
                    "lineItemTotal": "1060"
                }
            ]
        }
    ]
}

---

Request Parameter Fields

Invoice Details

Invoice Data List

ObjectName	Field Name	Conditionality	Informatics	Field Max Length	Sample Value
invoiceDataList	documentType	Mandatory	Identify the document type (e.g., INV, CRD, DBT, RFD, SLF_INV, SLF_CRD, SLF_DBT, SLF_REF.)	3 to 7
invoiceDataList	documentId	Mandatory	Document reference number used by Supplier for internal tracking purpose	50
invoiceDataList	originalEInvoiceReferenceNumber	Mandatory where applicable	LHDNM Unique Identifier Number of the original invoice/document that is being affected/adjusted.	26
invoiceDataList	documentIssueDate	Mandatory	Date of issuance of the e-Invoice (Note that the date must be the current date)	10 (format: yyyy-mm-dd)
invoiceDataList	documentIssueTime	Mandatory	Time of issuance of the e-Invoice (Note that the time must be the UTC time)	15 (format: hh:mm:ss)
invoiceDataList	currency	Mandatory	Specific currency that is used to represent the monetary value stated in the e-Invoice	3
invoiceDataList	invoiceStartDate	Optional	Start date of the transaction interval	10 (format: yyyy-mm-dd)
invoiceDataList	invoiceEndDate	Optional	End date of the transaction interval	10 (format: yyyy-mm-dd)
invoiceDataList	invoiceFrequency	Optional	Frequency of the invoice (e.g., Daily, Weekly, Biweekly, Monthly, Bimonthly, Quarterly, Half-yearly, Yearly, Others / Not Applicable)	50
invoiceDataList	supplierId	Optional	Identification Number of a Specific Supplier in an Invoice	20
invoiceDataList	sellerTinNumber	Mandatory	Supplier’s TIN assigned by LHDNM	14
invoiceDataList	sellerRegistrationIdType	Mandatory	Supplier’s Registration / Identification Number / Passport Number
invoiceDataList	sellerRegistrationId	Mandatory	For businesses: Business registration number. For Malaysian individual: MyKad / MyTentera identification number. For non-Malaysian individual: Passport number / MyPR / MyKAS identification number. Note: For MyPR and MyKAS to use NRIC scheme.
invoiceDataList	supplierSstRegistrationNumber	Mandatory where applicable	SST registration number of the Supplier. This is not applicable to Supplier that are not SST-registered. The input of special characters is not allowed, except for dash (-) and semicolon (;). A maximum of two SST registration numbers is allowed, separated by a semicolon. Supplier to input “NA” if supplier is not registered for SST.	35
invoiceDataList	supplierTourismTaxRegistrationNumber	Mandatory where applicable	Tourism tax registration number of the Supplier. This is only applicable to tourism tax registrant, which may consist of hotel operators and online travel operators. The input of special characters is not allowed, except for dash (-). Supplier to input “NA” if supplier is not registered for tourism tax.	17
invoiceDataList	buyerId	Optional	Identification Number of a Specific Buyer in an Invoice
invoiceDataList	buyerTinNumber	Mandatory	Buyer’s TIN assigned by LHDNM	14
invoiceDataList	buyerRegistrationIdType	Mandatory	Buyer’s Registration / Identification Number / Passport Number
invoiceDataList	buyerSstRegistrationNumber	Mandatory	SST registration number of the Buyer. This is not applicable to Buyers that are not SST-registered. The input of special characters is not allowed, except for dash (-) and semicolon (;). A maximum of two SST registration numbers is allowed, separated by a semicolon. Supplier to input “NA” if buyer’s SST registration number is not available or not provided.
invoiceDataList	isShippingAndBuyerAddressSame	Mandatory	Indicates whether the shipping and buyer address are the same	Boolean value
invoiceDataList	shippingRecipientName	Mandatory where applicable	Name of shipping recipient of the products included in the e-Invoice in a commercial transaction	300
invoiceDataList	shippingRecipientTin	Mandatory where applicable	TIN of the shipping recipient assigned by LHDNM	14
invoiceDataList	shippingRecipientRegistrationType	Mandatory where applicable	Supplier’s Registration / Identification Number / Passport Number
invoiceDataList	shippingRecipientRegistrationNumber	Mandatory where applicable	SST registration number of the Buyer. This is not applicable to Buyers that are not SST-registered. The input of special characters is not allowed, except for dash (-) and semicolon (;). A maximum of two SST registration numbers is allowed, separated by a semicolon. Supplier to input “NA” if buyer’s SST registration number is not available or not provided.
invoiceDataList	invoiceAdditionalDiscountAmount	Mandatory where applicable	Amount deducted from the original price of a product or service. Please add currencyID attribute to the XML element.
invoiceDataList	invoiceAdditionalChargeAmount	Mandatory where applicable	Charge associated with the product or service (be it in the form of percentage (%) or prevailing specified rate) imposed before tax. Please add currencyID attribute to the XML element.
invoiceDataList	totalExcludingTax	Mandatory	Sum of amount payable (inclusive of applicable discounts and charges), excluding any applicable taxes (e.g., sales tax, service tax). Please add currencyID attribute to the XML.
invoiceDataList	taxTotal	Mandatory	Total amount of tax payable
invoiceDataList	documentTotal	Mandatory	Invoice Total Amount Including Tax
invoiceDataList	invoiceAmountExemptedFromTax	Mandatory where applicable	Total amount of tax exempted for sales tax or service tax purposes on the invoice level.
invoiceDataList	invoiceTaxExemptionReason	Mandatory where applicable	Description of tax exemption applicable on the invoice level (e.g., Buyer’s sales tax exemption certificate number, special exemption as per gazette orders, etc.). The input is limited to the following special characters: period “.”, dash “-“, comma “,” and parenthesis “()”.
invoiceDataList	totalPayableAmount	Mandatory	Sum of amount payable (inclusive of total taxes chargeable and any rounding adjustment) excluding any amount paid in advance. Please add currencyID attribute to the XML element.
invoiceDataList	paymentMeans	Optional	Chosen mechanism through which funds are transferred from buyer to supplier (e.g., cash, cheque, bank transfer, credit card, debit card, e-Wallet/ Digital Wallet, etc.)	2

---

Supplier Details

ObjectName	Field Name	Conditionality	Informatics	Field Max Length	Sample Value
supplierDetails	organizationName	Mandatory	Name of business or individual who will be the supplier providing the goods / services in a commercial transaction.	300
supplierDetails	email	Optional	E-mail address of the Supplier (Following the email standards (RFC 5321 and RFC 5322)).	320
supplierDetails	industryCode	Mandatory	5-digit numeric code that represents the Supplier’s business nature and activity	5
supplierDetails	industryDescription	Mandatory	Description of the Supplier’s business activity	300
supplierDetails	phoneNumber	Mandatory	The telephone number of the Supplier (e.g., office, mobile, fax)	20

---

Seller's Address

ObjectName	Field Name	Conditionality	Informatics	Field Max Length	Sample Value
sellerAddress	addressLine1	Mandatory	This is the main address line in an address structure that can be used to give the main address line information. A possible value for this field is “NA” and then all other address fields would not be provided except for the state field which would is mapped to the field.	150
sellerAddress	addressLine2	Optional	An additional address line in an address that can be used to give further details supplementing the main line.	150
sellerAddress	addressLine3	Optional	An additional address line in an address that can be used to give further details supplementing the main line.	150
sellerAddress	postalCode	Optional	The identifier for an addressable group of properties according to the relevant postal service.	50
sellerAddress	city	Mandatory	The common name of the city, town or village, where the Supplier, Buyer and Shipping Recipient address is located.	50
sellerAddress	state	Mandatory	The state of a country.	50
sellerAddress	country	Mandatory	A code that identifies the country.	3

---

Buyer’s Address

ObjectName	Field Name	Conditionality	Informatics	Field Max Length	Sample Value
buyerAddress.addressLine1	Address Line 1	Mandatory	The main address line in an address structure. Input "NA" if unavailable	150	Lot 66
buyerAddress.addressLine2	Address Line 2	Optional	An additional address line for further details	150	Bangunan Merdeka
buyerAddress.addressLine3	Address Line 3	Optional	An additional address line for further details	150	Persiaran Jaya
buyerAddress.postalCode	Postal Zone	Optional	The identifier for a postal zone	50	50480
buyerAddress.city	City Name	Mandatory	The common name of the city	50	Kuala Lumpur
buyerAddress.state	State	Mandatory	The state of a country	50	14
buyerAddress.country	Country	Mandatory	A code identifying the country	3	MYS

---

Shipping Details

ObjectName	Field Name	Conditionality	Informatics	Field Max Length	Sample Value
shippingRecipientAddress	addressLine1	Mandatory where applicable	This is the main address line in an address structure that can be used to give the main address line information. A possible value for this field is “NA” and then all other address fields would not be provided except for the state field which would is mapped to the field.	150
shippingRecipientAddress	addressLine2	Optional	An additional address line in an address that can be used to give further details supplementing the main line.	150
shippingRecipientAddress	addressLine3	Optional	An additional address line in an address that can be used to give further details supplementing the main line.	150
shippingRecipientAddress	postalCode	Optional	The identifier for an addressable group of properties according to the relevant postal service.	50
shippingRecipientAddress	city	Mandatory where applicable	The common name of the city, town or village, where the Supplier, Buyer and Shipping Recipient address is located.	50
shippingRecipientAddress	state	Mandatory where applicable	The state of a country.	50
shippingRecipientAddress	country	Mandatory where applicable	A code that identifies the country.	3

---

Invoice Line Item

ObjectName	Field Name	Conditionality	Informatics	Field Max Length	Sample Value
documentLineItems.lineItemId	Line ID	Optional	Identification of a Specific Line in an Invoice	20	1
documentLineItems.commodityClassificationCode	Classification	Mandatory	Category of products or services being billed	3	1
documentLineItems.description	Description of Product or Service	Mandatory	Details of products or services being billed	300	Laptop Peripherals
documentLineItems.unitPrice	Unit Price	Mandatory	Price assigned to a single unit of a product or service		4
documentLineItems.quantity	Quantity	Optional	Number of units of a product or service		1
documentLineItems.lineItemSubtotal	Subtotal	Mandatory	Amount of each individual item, excluding any taxes or charges		100
documentLineItems.lineTotalExcludingTax	Total Excluding Tax	Mandatory	Sum of amount payable excluding any applicable taxes		1436.5
documentLineItems.taxType	Tax Type	Mandatory	Type of taxes that will be applicable	2	1
documentLineItems.taxPercentage	Tax Rate	Mandatory	The appropriate tax rate that is applicable		6
documentLineItems.totalTax	Tax Amount	Mandatory	The amount of tax payable		292.2
documentLineItems.taxCode	Details of Tax Exemption	Optional	Description of tax exemption applicable	300	SST exemption
documentLineItems.taxExemptionReason	Amount Exempted from Tax	Conditional Mandatory	Total amount of tax exempted for SST purposes		1460.5
documentLineItems.chargeAmount	Charge Amount	Optional	Charge associated with the product or service imposed after tax		1000
documentLineItems.discountAmount	Discount Amount	Optional	Amount deducted from the original price of a product		1000
documentLineItems.lineItemTotal	lineItemTotal	Mandatory	Sum of amount payable inclusive of total taxes chargeable		1060
invoiceAdditionalChargeAmount		Optional	Additional Charges at Invoice Level
invoiceAdditionalDiscountAmount		Optional	Additional Discount at Invoice Level
invoiceAmountExemptedFromTax	Amount Exempted from Tax	Mandatory if tax exemption is applicable	Total amount of tax exempted for sales tax or service tax purposes. Please add currencyID attribute to the XML element.	10
invoiceTaxExemptionReason	TaxExemptionReason	Mandatory if tax exemption is applicable	Description of tax exemption applicable on the invoice level. (e.g., Buyer’s sales tax exemption certificate number, special exemption as per gazette orders, etc.).	Goods acquired with SST exemption under Sales Tax Act 2018. Reference No: ABC.TAX(S)012-3/4/56(7)
paymentMeans	PaymentMeansCode	Optional	Chosen mechanism through which funds are transferred from buyer to supplier (e.g., cash, cheque, bank transfer, credit card, debit card, e-Wallet/ Digital Wallet, etc.)	1
invoiceAdditionalDiscountAmount	Discount Amount	Optional	Additional Charges at Invoice Level		1000
totalExcludingTax	Total Excluding Tax	Mandatory	Sum of amount payable excluding any applicable taxes		1436.5
taxTotal	Total Tax Amount	Mandatory	Total amount of tax payable		1234
documentTotal	Invoice Total Amount Including Tax	Mandatory	Sum of amount payable inclusive of total taxes chargeable		1436.5
totalPayableAmount	Total Payable Amount	Mandatory	Sum of amount payable excluding any amount paid in advance and rounding		1436.5

---

Response Schema

Parameter Name	Type	Length	Description
submissionUid	string	NA	The number generated by LHDN and serves as the official identifier for submissions.
documentUlid	string		The number generated on the compliance side for internal tracking purposes and is primarily useful for internal operations.
uuid	string		Government acknowledgment number for the invoice triggered to LHDN.
invoiceCodeNumber	string		Document reference number used by Supplier for internal tracking purpose.

---

Success Handling:

Success Response Example

When a submission is successful, the system returns a JSON response with details of the accepted documents.

{
  "submissionUid": "RX6B21HC498ZENSDT46CDD7J10",
  "acceptedDocuments": [
    {
      "documentUlid": "01J7DDBTBYG1G5JQEDVY8C1H6S",
      "uuid": "3A2FR8X29FZ3H12ET46CDD7J10",
      "invoiceCodeNumber": "ML-ST-2424",
      "xmlEncoded": "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"
    }
  ],
  "rejectedDocuments": [],
  "timestamp": "2023-08-14T08:15:30Z"
}

---

Error Handling:

Error Response Example

When an error occurs during submission, the system returns a JSON response containing details of the error.

{
    "errorMessages": {
        "0": {
            "invoiceDataList[0]-buyerAddress-postalCode": "Buyer postalcode cannot be empty",
            "invoiceDataList[0]-sellerAddress-state": "seller State must be a valid 2 digit number from 00 to 17",
            "invoiceDataList[0]-sellerAddress-postalCode": "seller postalcode cannot be empty"
        }
    },
    "batchId": null,
    "errorCode": null
}

---

The API may return the following error responses depending on the validation result or request issues:

Error Code	Description
400	Bad Request – Invalid data in the request.
401	Unauthorized – Invalid or missing API key.
500	Internal Server Error – Server encountered an error.

---

The API may return the following success responses depending on the validation result or submission status:

Status Code	Description
200	Success – The request was processed successfully.
202	Accepted – The request has been accepted but is still processing.

---

• Ensure that your document types are accepted based on the specifications of your jurisdiction.
• Confirm that the invoice format complies with the standards to avoid any delays.

---