GST Software · ISD / GSTR-6 Filing

ISD credit distribution and GSTR-6 filing, without the spreadsheet

Register as an Input Service Distributor, receive ISD invoices, distribute common ITC across GSTINs, and file GSTR-6 — reconciled against GSTR-6A, with GSTR-6A amendment tracking built in.

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25,000+
businesses served
5,000+
chartered accountants
30 Cr+
GST filings annually
99.99%
uptime SLA
Screenshot placeholderISD / GSTR-6 Filing — hero product screenshot

Features

Everything an ISD return needs.

From auto-drafted GSTR-6A to distributed credit notes — the ISD workflow end to end, backed by 20+ dedicated GSTR-6/GSTR-6A API endpoints for teams that want to automate it.

01See every input service invoice landing at the ISD

ISD Details & Credit Received

WhiteBooks pulls ISD details straight from GSTN — every input service invoice received at the ISD, with supplier GSTIN, tax amount, and eligibility, ready to be distributed across your operating GSTINs.

  • ISD invoice details from GSTN
  • Eligible vs ineligible ITC split
  • Supplier-wise credit view
Screenshot placeholderISD details — credit received from suppliers
GSTR-6A reconciliation — gaps flagged before distribution

GSTR-6A Reconciliation

02

GSTR-6A is auto-generated from your suppliers' filed returns. WhiteBooks reconciles it against what you've recorded and flags gaps before you distribute credit on numbers that don't match GSTN.

Auto-drafted GSTR-6A pulled from GSTNGap detection vs recorded ISD invoicesGSTR-6A amendment tracking
03Distribute common credit the way the law requires

ITC Distribution Across GSTINs

Distribute eligible and ineligible ITC to recipient GSTINs by ISD invoice, in the ratio the rules require, with a distribution ledger you can hand to an auditor without rebuilding it.

  • Distribution by recipient GSTIN
  • Eligible / ineligible split preserved
  • Auditable distribution ledger
Screenshot placeholderITC distribution — recipient GSTIN ledger
CDNR — credit and debit notes linked to source invoice

Credit and Debit Notes (CDNR)

04

Credit and debit notes received by the ISD — and their amendments — are matched back to the original ISD invoice, so a correction upstream doesn't leave your distribution ledger out of sync.

CDNR invoice trackingAmended CDNR (CDNRA) supportLinked to original ISD invoice
GSTR-6 filing — direct GSTN submission

GSTR-6 Filing

05

Once distribution is reconciled, file GSTR-6 direct to GSTN over WhiteBooks' own GSP pipe — no reseller hop in between.

Direct GSP-licensed filingPre-submission checksFiling status tracked to ARN
GSTR-6 API — ISD endpoints for developers

API Access for ISD / GSTR-6

06

20+ GSTR-6 and GSTR-6A endpoints in the WhiteBooks GST API — ISD details, CDNR, amendments, and return filing — for teams that want ISD distribution running inside their own ERP instead of a separate screen.

GET ISD details endpointGET / amend CDNR endpointsGSTR-6 return filing endpoint

Pricing

Pricing — built around what you actually use

No fixed SKUs. GST Software plans are sized to your filing volume, GSTIN count, integration scope, and support tier — so you never pay for shelf-ware.

Filing volume
invoices & returns per month
GSTIN count
entities and branches on one workspace
Integration scope
Tally, SAP, ERP & API connections
Support tier
from self-serve to dedicated manager

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₹0no credit card required

Full product on sandbox data — evaluate at your own pace.

  • Complete feature access in sandbox
  • Test GSTN environment included
  • Bulk import with sample templates
  • Community & email support
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Most popular

Growth

Customquote within one business day

Production filing sized to your actual volumes.

  • Live GSTN filing with EVC
  • Unlimited invoice imports
  • Tally / ERP connectors included
  • Priority support with SLAs
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Enterprise

Customannual contracts

Multi-entity compliance with enterprise controls.

  • Multi-GSTIN consolidation
  • SSO & role-based access
  • On-premise deployment option
  • Dedicated account manager
Contact enterprise team

Solution

Who this gst software is built for

Three teams live in this product every filing cycle — each gets a workflow shaped around how they actually work.

GST Practitioners & CAs

File for hundreds of clients from a single dashboard — without juggling portals, spreadsheets, or logins.

  • Switch client workspaces in one click
  • Bulk validation across client books
  • Filing calendar with due-date tracking
  • Client-ready summary reports

Tax & Finance Teams

Match GSTR-2A/2B against purchase books, close ITC gaps, and keep every return reconciled before it's filed.

  • Auto reconciliation with GSTR-2A/2B
  • Safe-to-claim ITC classification
  • Mismatch alerts before filing
  • Excel exports for review workflows

Enterprise Compliance Heads

Consolidate multi-GSTIN filings with audit trails, role controls, and a single source of truth for every entity.

  • Multi-GSTIN consolidation
  • Role-based access & auditor logins
  • Timestamped audit trails
  • Uptime SLA with GSP-direct rails

Partner

Partner with WhiteBooks

Three partnership tracks — pick the one that matches how you reach businesses, and grow with a GSP-licensed platform behind you.

CA & Practitioner Partners

A co-branded portal for filings and ITC reconciliation — your firm's name in front, WhiteBooks rails underneath.

  • Co-branded client portal
  • Multi-client filing workspace
  • Practitioner pricing tiers

Integration Partners

Ship native WhiteBooks integrations for ERPs and billing platforms with sandbox keys and engineering support.

  • REST APIs & OpenAPI 3.1 spec
  • Dedicated sandbox environment
  • Co-marketing on launch

Channel & Resellers

Regional commissions with a sandbox tenant per prospect — demo on real workflows, not slide decks.

  • Recurring commission structure
  • Sandbox tenant per prospect
  • Sales enablement & training

FAQ

Frequently asked questions

Everything teams usually ask before moving their filing to WhiteBooks.

An ISD is an office of a business that receives tax invoices for input services on behalf of its other GSTINs (branches, units) under the same PAN, and distributes the input tax credit on those services to the recipient GSTINs by issuing an ISD invoice. It's a mechanism for centralising procurement of shared services — like software licenses, audit fees, or advertising — while still passing the ITC to the entities that actually use them.

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