Indonesia Coretax & e-Faktur Software: What VAT Businesses Need Now
Coretax replaced Indonesia's separate e-Faktur application at the end of 2025. Here is how VAT (PPN) invoicing works under Coretax now, and which tax and accounting software (OnlinePajak, Mekari Jurnal, HashMicro, Accurate, Kledo) connect to it.
Since the Directorate General of Taxes (DJP) rolled out **Coretax** (the Core Tax Administration System) and folded the separate **e-Faktur** application into it by the end of 2025, every VAT-registered business (**PKP**) now issues and clears tax invoices directly through Coretax. Invoices are submitted in the required XML format, validated, and stamped with a serial number (NSFP) and QR code — without which they are invalid for VAT credit. You do not have to buy software: the Coretax **web portal is free and is the mandatory route for most small and mid-size taxpayers**. Paid tools add value on top — **OnlinePajak** (a DJP-certified PJAP integrated with Coretax), **Mekari Jurnal** and **HashMicro** connect your bookkeeping to Coretax so PPN and e-Faktur reporting happen without re-keying. Confirm each vendor's current Coretax support before committing, since the rollout is still stabilizing.
| Option | Type | How it handles Coretax / e-Faktur | Best for |
|---|---|---|---|
| DJP Coretax portal | Government platform (free) | The system itself — issues and clears tax invoices, assigns NSFP + QR. Web access is mandatory for most SMEs | The compliant baseline for every PKP |
| OnlinePajak | DJP-certified PJAP (tax app) | Officially authorized tax application provider, integrated with Coretax | Businesses that want a compliance-first tax tool |
| Mekari Jurnal | Cloud accounting | Connected to e-Faktur and e-Bupot; prepares PPN and PPh reporting in-app | SMEs to mid-market wanting books and tax together |
| HashMicro | ERP | Automatic e-Faktur linked to the Coretax/DJP scheme; suited to high volume and H2H | Larger firms needing full ERP integration |
| Accurate Online | Cloud accounting | Comprehensive accounting; lighter emphasis on native Coretax integration | General SME bookkeeping |
| Kledo | Cloud accounting (SMB) | Simpler and lower-cost; local tax handling needs more manual setup | Budget-conscious small businesses |
SEA Operational Reasoning
The thing most guides still get wrong is treating e-Faktur as a separate program to install — it isn't anymore. By the end of 2025 the DJP consolidated e-Faktur, e-Bupot and the older DJP Online applications into the single Coretax platform, and 2026 is the first full year of operating under it. So the first decision is not which software to buy, but recognising that Coretax itself (free, government-run) is where every tax invoice is now cleared, and its web portal is compulsory for most small and mid-size taxpayers. Third-party software earns its place above that baseline in three ways: keeping your bookkeeping in sync so PPN/PPh numbers are not re-keyed, generating invoices in bulk, and offering host-to-host (H2H) or API links for higher volumes. That is where the tiering matters — OnlinePajak sits closest to compliance as a DJP-appointed PJAP, Mekari Jurnal balances accounting with built-in tax reporting for SMEs and mid-market, and HashMicro fits larger firms that want ERP-grade integration. Because certification and connectivity are still stabilising, treat any 'Coretax-ready' claim as something to confirm on the DJP site and the vendor before you commit.
Related Expert Guides
The questions operators actually ask.
Do I still use e-Faktur, or is it Coretax now?
Coretax. The separate e-Faktur application was folded into the Coretax platform, and by the end of 2025 Coretax became the single system for issuing and clearing tax invoices. New invoices are generated in the required XML format and validated through Coretax, which assigns the serial number (NSFP) and QR code that make the invoice valid for VAT credit.
Do I have to pay for software to comply with Coretax?
No. The DJP's Coretax web portal is free and is the mandatory access route for most small and mid-size taxpayers. Paid accounting or PJAP tools are optional — they mainly help with bookkeeping, bulk invoicing, and host-to-host or API integration for higher transaction volumes.
Which software is officially integrated with Coretax?
OnlinePajak is a DJP-appointed tax application provider (PJAP) that is certified and integrated with Coretax. Mekari Jurnal and HashMicro also market direct e-Faktur/Coretax connectivity for accounting and ERP use. Because the rollout is still stabilising, always confirm current certification on the DJP site (pajak.go.id) and with the vendor before relying on it.