LedgerLab AI — Test UI

Register Company

Company Name Company Code (uppercase, 2–10 chars, used as invoice prefix)

First Name

Last Name

Email Password

Login

Email Password

LHDN Credentials Setup

Company CUID is filled automatically after login. You can override it below.

Company CUID

Client ID

Client Secret

TIN (Tax Identification No.)

BRN (Business Reg. No.)

SST No. (optional)

TTX No. (optional)

MSIC Code

Environment

Business Description

Supplier Info (used on invoices)

Supplier Name

Supplier Phone

Supplier Email Address Line 1

City

Postal Code

State Code

Country Code

Digital Signing Certificate (v1.1)

Required for LHDN e-invoice v1.1 (signature validation enabled). Generate a test certificate with: node scripts/generate-test-cert.mjs "Your Company" "CODE" then paste the file contents below. Leave blank to fall back to v1.0 (no signature).

Signing Certificate (PEM) Signing Private Key (PEM)

Submit Transaction

Invoice Type

Currency

Issue Date

Issue Time

Buyer Info

Buyer Name

Buyer TIN

NRIC / BRN

NRIC for individuals (EI/IG/IC TIN prefix) · BRN for companies (C/D prefix)

Buyer Email

Buyer Phone

Buyer Address Line 1

City

Postal Code

State Code

Line Items

Subtotal (excl. tax)

Total Tax

Total (incl. tax)

Submit directly to LHDN

Bulk CSV Import

Upload a CSV file to submit multiple invoices at once. Each row is one line item — rows sharing the same invoice_ref are grouped into a single invoice.

Upload CSV

Transactions

TIN Lookup

Look up a taxpayer's TIN from LHDN using their IC, passport, BRN, or name. Use fileType = 1 for individuals (sitters), 2 for companies.

ID Type

File Type

ID Value

— or search by name instead —

Taxpayer Name (optional, used if ID Value is empty)

Validate TIN

Confirm that a TIN belongs to a specific person — useful to verify sitter-provided TINs before submitting INV-SB.

TIN

ID Type

ID Value

E-Invoice Request Form

Simulator — This is the public-facing form that LedgerLab hosts. Sitters (INV-SB payout) and pet owners (INV-JP payment) both use this same page to submit their IC and TIN. No login required — the link is sent by PetBacker. URL format: /invoice-request/{clientCode}/{clientRef}

Step 1 — Find your transaction

Client Code (e.g. PB for PetBacker)

Your Reference (clientRef from PetBacker)

Register Company

LHDN Credentials Setup

Submit Transaction

Bulk CSV Import

Preview

Job Progress

Transactions

Transaction Detail

TIN Lookup

Validate TIN

E-Invoice Request Form