Malaysia v2: Peppol Unify API

Validate and send B2B and B2C invoices, credit notes and self-billed documents over Peppol with the Malaysia Unify API v2 (legacy): endpoint, headers, request fields and responses.

The Unify API validates and processes business-to-business (B2B) and business-to-consumer (B2C) invoices sent over Peppol. It supports invoices, credit notes and self-billed documents, and checks them against the tax and invoicing rules.

Document types

Code	Document	Value to send
01	Invoice	`INV`
02	Credit Note	`CRD`
11	Self-billed Invoice	`SLF_INV`
12	Self-billed Credit Note	`SLF_CRD`

Endpoint

Submit invoiceshttp

POST https://malaysia-sandbox.complyance.io/unify

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

Headers

Header	Description
`x-api-key`	Your API key.
`invoiceMethod`	The invoice method. Use `peppol`.
`Content-Type`	Set as `application/json`.

Code examples

These examples show the URL and headers. Send the request body as JSON.

bash

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

javascript

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

fetch('https://malaysia.complyance.io/dev/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' => 'your-api-key',
  'Content-Type' => 'application/json'
}

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

puts response.body

python

import requests

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

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

php

<?php

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

$client = new \GuzzleHttp\Client();

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

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

java

URL url = new URL("https://malaysia.complyance.io/dev/unify");
HttpURLConnection con = (HttpURLConnection) url.openConnection();
con.setRequestMethod("POST");
con.setRequestProperty("x-api-key", "your-api-key");
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());

package main

import (
	"net/http"
)

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

	req, err := http.NewRequest("POST", "https://malaysia.complyance.io/dev/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()
}

Request body

Request bodyjson

{
    "invoiceDataList": [
        {
            "documentType": "INV",
            "documentId": "Peppol EINV-0222",
            "originalEInvoiceReferenceNumber": "",
            "originalEInvoiceReferenceUUID": "",
            "documentIssueDate": "2025-06-17",
            "documentIssueTime": "02:30:00Z",
            "currency": "MYR",
            "currencyExchangeRate": "1",
            "invoiceFrequency": "MONTHLY",
            "invoiceStartDate": "2024-10-01",
            "invoiceEndDate": "2024-10-23",
            "supplierId": "",
            "supplierParticipantId": "0230:01998877665544",
            "sellerTinNumber": "C20000000000",
            "sellerRegistrationIdType": "BRN",
            "sellerRegistrationId": "202001234567",
            "supplierSstRegistrationNumber": "",
            "supplierTourismTaxRegistrationNumber": "",
            "buyerId": "",
            "buyerParticipantId": "0230:0245622",
            "buyerTinNumber": "C30000000000",
            "buyerRegistrationIdType": "BRN",
            "buyerRegistrationId": "201901234568",
            "buyerSstRegistrationNumber": "",
            "isShippingAndBuyerAddressSame": true,
            "shippingRecipientName": "Example Logistics Sdn Bhd",
            "shippingRecipientTin": "C40000000000",
            "shippingRecipientRegistrationType": "BRN",
            "shippingRecipientRegistrationNumber": "234234234",
            "totalExcludingTax": "2000",
            "totalTaxableAmount": "2000",
            "taxTotal": "0",
            "documentTotal": "2000",
            "invoiceAmountExemptedFromTax": "0",
            "invoiceTaxExemptionReason": "Goods acquired with SST exemption under Sales Tax Act 2018. Reference No: (C01-2345-67890123)",
            "invoiceAdditionalDiscountAmount": "0",
            "invoiceAdditionalChargeAmount": "0",
            "totalPayableAmount": "2000",
            "roundingAmount": "0",
            "paymentMeans": "1",
            "supplierBankAccountNumber": "1234567890123",
            "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": "Acme Trading Sdn Bhd",
                "email": "finance@acme.example",
                "industryCode": "01111",
                "industryDescription": "Growing of maize",
                "phoneNumber": "+60-123456789"
            },
            "buyerDetails": {
                "organizationName": "Example Buyer Sdn Bhd",
                "email": "accounts@buyer.example",
                "phoneNumber": "+60-123456789"
            },
            "documentLineItems": [
                {
                    "lineItemId": "1",
                    "commodityClassificationCode": "1",
                    "description": "Laptop peripherals",
                    "unitPrice": "200",
                    "quantity": "10",
                    "lineItemSubtotal": "2000",
                    "discountPercent": "0",
                    "discountAmount": "0",
                    "chargePercent": "0",
                    "chargeAmount": "0",
                    "lineTotalExcludingTax": "2000",
                    "taxType": "6",
                    "taxPercentage": "0",
                    "totalTax": "0",
                    "taxExemptionReason": "Goods acquired with SST exemption under Sales Tax Act 2018. Reference No: (C01-2345-67890123)",
                    "amountExemptedFromTax": "0",
                    "lineItemTotal": "2000"
                }
            ],
            "invoiceMethod": "peppol"
        }
    ]
}

Request fields

Invoice details

ObjectName	Field Name	Conditionality	Informatics	Field Max Length	Sample Value
documentType	e-Invoice Type Code	Mandatory	Identifies the document type (e.g., INV, CRD,SLF, SLF_CRD.)	2	INV
documentId	e-Invoice Code / Number	Mandatory	Document reference number used by Supplier for internal tracking purpose	50	INV12345
documentIssueDate	e-Invoice Date	Mandatory	Date of issuance of the e-Invoice (Note that the date must be the current date)	10	2017-11-26
documentIssueTime	e-Invoice Time	Mandatory	Time of issuance of the e-Invoice (Note that the time must be the current time)	12	15:30:00.0Z
documentCurrencyCode	Invoice Currency Code	Mandatory	Specific currency that is used to represent the monetary value stated in the e-Invoice	3	MYR
invoiceFrequency	Frequency of Billing	Optional	Frequency of the invoice (e.g., Daily, Weekly, Monthly, Bimonthly, Quarterly, Half-yearly, Yearly, Others)	50	Monthly
invoiceStartDate	Billing Period Start Date	Optional	Interval of the transaction	10	2017-11-26
invoiceEndDate	Billing Period End Date	Optional	End date of the transaction interval	10	2017-11-30

Supplier details

ObjectName	Field Name	Conditionality	Informatics	Field Max Length	Sample Value
supplierId	Supplier ID	Optional	Identification Number of a Specific Supplier in an Invoice	20	1
supplierSstRegistrationNumber	supplierSstRegistrationNumber	Mandatory	Sales tax / service tax (SST) registration number of the Supplier (input “NA” if not registered for SST)		A01-2345-67891012
supplierDetails.organizationName	Supplier’s Name	Mandatory	Name of business or individual who will be the issuer of the e-Invoice in a commercial transaction	300	Acme Trading Sdn Bhd
sellerTinNumber	Supplier’s TIN	Mandatory	Supplier’s (i.e., issuer’s) TIN assigned by IRBM	14	C20000000000
sellerRegistrationIdType	Supplier’s Registration scheme ID	Mandatory	Business registration number / MyKad / Passport number depending on entity	12	BRN
sellerRegistrationId	Supplier’s Registration / Identification Number / Passport Number	Mandatory	Business registration number / MyKad / Passport number depending on entity	20	BRN: 202001234567
supplierDetails.email	Supplier’s e-mail	Optional	E-mail address of the Supplier (Provide “NA” if unavailable)	320	finance@acme.example
supplierDetails.industryCode	Supplier’s MSIC Code	Mandatory	5-digit numeric code representing the Supplier’s business nature and activity	5	1111
supplierDetails.industryDescription	Supplier’s Business Activity Description	Mandatory	Description of the Supplier’s business activity	300	Growing of maize
supplierDetails.phoneNumber	Supplier’s Contact Number	Mandatory	The telephone number of the Supplier	15	-123456729

Supplier address

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

Buyer details

ObjectName	Field Name	Conditionality	Informatics	Field Max Length	Sample Value
buyerId	Buyer ID	Optional	Identification Number of a Specific Buyer in an Invoice	20	1
buyerDetails.organizationName	Buyer’s Name	Mandatory	Name of the recipient of the e-Invoice in a commercial transaction	300	Example Buyer Sdn Bhd
buyerTinNumber	Buyer’s TIN	Mandatory	Buyer’s (i.e., issuer’s) TIN assigned by IRBM	14	C30000000000
buyerRegistrationIdType	Buyer’s Registration / Identification Number / Passport Scheme ID	Mandatory	Business registration number / MyKad / Passport number depending on entity	12	BRN
buyerRegistrationId	Buyer’s Registration / Identification Number / Passport Number	Optional	Business registration number / MyKad / Passport number depending on entity	20	BRN: 202001234567
buyerDetails.email	Buyer’s e-mail	Optional	E-mail address of the Buyer (Provide “NA” if unavailable)	320	accounts@buyer.example
buyerDetails.phoneNumber	Buyer’s Contact Number	Mandatory	The telephone number of the Buyer	15	-123456729

Buyer 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

Line items

ObjectName	Field Name	Conditionality	Informatics	Field Max Length	Sample Value
documentLineItems.lineItemId	Line ID	Mandatory	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		17
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

Peppol data

ObjectName	Field Name	Conditionality	Informatics	Sample Value
supplierId	Peppol Id of the supplier	Conditional Mandatory	Supplier or Seller’s participant id in the Peppol network	0230:05TESTID
buyerId	Peppol Id of the buyer	Conditional Mandatory	Buyer’s participant id in the Peppol network	0230:05TESTID
supplierTradingName	Registered business name	Conditional Mandatory	Supplier business name registered in SSM	Company Name Sdn. Bhd.
sellerPointOfContact	Seller name	Conditional Mandatory	Seller point of contact name	John
buyerPointOfContact	Buyer Name	Conditional Mandatory	Buyer point of contact name	John
shippingRecipientLocationId	Shipping location ID	Conditional Mandatory	An identifier for the location at which the goods and services are delivered
buyerAccountingLedgerReference	Ledger reference	Conditional Mandatory	Buyer Accounting or Ledger Reference
deliveryDate	Delivery Date	Conditional Mandatory	The date on which the supply of goods or services was made or completed

Summary

ObjectName	Field Name	Conditionality	Informatics	Field Max Length	Sample Value
invoiceAdditionalChargeAmount	Charge Amount	Optional	Additional Discount at Invoice Level		1000
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
usedTaxTypes.taxType	Tax Type	Mandatory	Type of taxes that will be applicable (e.g., sales tax, service tax, etc.)	2	1
usedTaxTypes.taxableAmount	Total Taxable Amount Per Tax Type	Optional	Sum of amount chargeable for each tax type		1460.5
usedTaxTypes.taxAmount	Total Tax Amount Per Tax Type	Mandatory	Sum of amount chargeable for each tax type		1460.5
usedTaxTypes.taxExemptionReason	Details of Tax Exemption	Optional	Description of tax exemption applicable at invoice level		SST exemption
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

Success response

When the submission succeeds, the response lists the accepted documents. The xmlEncoded value is the Base64-encoded XML of the document, shortened here.

Success responsejson

{
  "submissionUid": "KMNPQRSTVW0123456789ABCD10",
  "acceptedDocuments": [
    {
      "documentUlid": "01HZEXAMPLE000000000000001",
      "uuid": "ABCDEFGHJK0123456789ABCD10",
      "invoiceCodeNumber": "ML-ST-2424",
      "xmlEncoded": "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiIHN0YW5kYWxvbmU9InllcyI/Pgo…"
    }
  ],
  "rejectedDocuments": [],
  "timestamp": "2023-08-14T08:15:30Z"
}

Status code	Description
`200`	Success: the request was processed.
`202`	Accepted: the request was accepted and is still processing.

Error response

When the submission fails, the response lists the rejected documents with an error code and message. See Peppol errors for the messages you can receive.

Error responsejson

{
  "submissionUid": "KMNPQRSTVW0123456789ABCD10",
  "rejectedDocuments": [
    {
      "documentUlid": "01HZEXAMPLE000000000000002",
      "uuid": "ABCDEFGHJK0123456789ABCD10",
      "status": "Rejected",
      "errorCode": "ERR123",
      "errorMessage": "Invalid Tax ID format"
    }
  ],
  "acceptedDocuments": [],
  "timestamp": "2023-08-14T08:15:30Z"
}

Error code	Description
`400`	Bad Request: invalid data in the request.
`401`	Unauthorized: invalid or missing API key.
`500`	Internal Server Error: the server encountered an error.

Notes

Check that your document types are accepted in your jurisdiction.
Check that the invoice format meets the standards, to avoid delays.