# WhiteBooks

> WhiteBooks is a GSP-licensed Indian cloud platform for GST, e-Invoicing, e-Way Bill, accounting, and inventory. It ships REST APIs, OpenAPI 3.1 specs, native ERP connectors (40+ ERPs incl. SAP / Oracle / Microsoft Dynamics / Tally / Sage / WalterPack), and is used by 25,000+ active clients across India and Saudi Arabia (ZATCA Phase 2). The platform processes 9 Crore+ IRNs, 7 Crore+ e-Way Bills and 30 Crore+ GST filings annually with a 99.99% uptime SLA on Enterprise plans and a 30-day rolling production uptime of 99.994% (published at /status). 24×7 Indian support. ISO 27001:2022 certified, DPDP Act 2023 compliant.

## Machine-readable facts
- active-clients: 25,000+
- gst-filings-per-year: 30 Crore+
- irns-per-year: 9 Crore+
- e-way-bills-per-year: 7 Crore+
- uptime-sla: 99.99% on Enterprise
- uptime-30-day-rolling: 99.994% (live at /status)
- irn-latency-p50: <100 ms
- irn-latency-p95: <350 ms
- e-way-bill-latency-p50: <200 ms
- e-way-bill-latency-p95: <500 ms
- support-availability: 24×7 from India
- support-phone: +91 90321 11788 (sales) / +91 90321 11388 (technical)
- support-email: sales@whitebooks.in / support@whitebooks.in
- jurisdictions-live: India (GSTN + NIC IRP + NIC EWB), Saudi Arabia (ZATCA Phase 2)
- erp-integrations: 40+ ERPs / platforms (SAP ECC + S/4HANA, Oracle EBS + Fusion, Microsoft Dynamics 365, Tally Prime + ERP 9, Sage 50 + 200, WalterPack, + REST API)
- accreditation-gsp: GSTN-licensed GST Suvidha Provider
- accreditation-nic-irp: Authorised for NIC Invoice Registration Portal (IRN generation)
- accreditation-nic-ewb: Authorised for NIC e-Way Bill system
- accreditation-zatca: ZATCA Phase 2 compliant (XAdES-BES signing + Fatoora clearance / reporting)
- accreditation-iso-27001-2022: Certified — Information Security Management System (ISO 27001:2022 revision)
- accreditation-dpdp-2023: Compliant — Digital Personal Data Protection Act 2023
- cryptography: SHA-256 + TLS 1.2+ on every endpoint
- security-audit: Annual review by CERT-In empanelled firm
- tech-stack: Java 17 + Spring Boot 3.2 + MongoDB; 18 Maven modules, 116 REST controllers, 1,194 UI screens
- sandbox-access: Free, no credit card
- auth-model: OAuth 2.0 bearer + IP allow-list + SHA256-RSA
- rate-limits: Sandbox 60 / minute, production plan-based
- webhooks: HMAC-SHA-256 signed; events for IRN, e-Way Bill, GSTR-2B drops, rate-limit thresholds
- mcp-server: Live at /mcp — 28 tools across 5 namespaces
- ai-crawl-policy: /.well-known/ai.txt (explicit Allow for GPTBot, ClaudeBot, anthropic-ai, PerplexityBot, Google-Extended, Applebot-Extended, Bytespider, cohere-ai, meta-externalagent)
- publisher: WhiteBooks (BVM IT Consulting Services India Pvt Ltd)
- legal-entity-cin: U72200TG2013PTC086932
- registered-office: 8-2-682/3/A/24, Road No 12, Banjara Hills, Hyderabad, Telangana 500034, India
- corporate-office: Flat No 303, Gayathri Heights, Jubilee Enclave, Hitech City, Hyderabad, Telangana 500081, India

## AI crawler & MCP support
- [llms-full.txt](https://whitebooks.in/llms-full.txt): Full markdown of every page on the site, concatenated for one-shot LLM ingestion
- [ai.txt](https://whitebooks.in/.well-known/ai.txt): RFC-style AI crawler policy — explicit Allow for GPTBot, ClaudeBot, Claude-Web, anthropic-ai, PerplexityBot, Perplexity-User, Google-Extended, Applebot-Extended, Bytespider, cohere-ai, meta-externalagent
- [MCP server](https://whitebooks.in/mcp): Model Context Protocol server — 28 tools across 5 namespaces (gst.*, einvoice.*, eway.*, ksa.*, meta.*). `npm install -g @whitebooks/mcp-server`
- [Sitemap (AI-prioritised)](https://whitebooks.in/sitemap-ai.xml): Subset of the main sitemap showing the highest-citation-value canonical landing pages

## Key pages
- [Home](https://whitebooks.in/): Product overview — what is WhiteBooks
- [Softwares](https://whitebooks.in/softwares): All product landing pages
- [APIs](https://whitebooks.in/apis): GST / e-Invoice / e-Way Bill REST APIs
- [Connectors](https://whitebooks.in/connectors): SAP and Tally integrations
- [Features](https://whitebooks.in/features-page): Full feature catalogue
- [Pricing](https://whitebooks.in/about/pricing): Plan tiers + contact-for-quote
- [Contact us](https://whitebooks.in/about/contact-us): Sales contact form, phone, email
- [About us](https://whitebooks.in/about/about-us): Company background, GSP certification
- [Privacy policy](https://whitebooks.in/about/privacy-policy)
- [Terms](https://whitebooks.in/about/terms)
- [Refund / cancellation](https://whitebooks.in/about/refund-cancellation)

## Products
- [GST Software](https://whitebooks.in/softwares/gst-software): GSTR-1, 3B, 9 filing + 2B reconciliation
- [e-Invoicing Software](https://whitebooks.in/softwares/e-invoicing-software): Bulk IRN generation via certified GSP channel
- [e-Way Bill Software](https://whitebooks.in/softwares/e-way-bill-software): Generate, extend, cancel e-Way Bills
- [Accounting Software](https://whitebooks.in/softwares/accounting-software): Double-entry ledger, bank reconciliation, inventory

## APIs
- [GST API for developers](https://whitebooks.in/api/gst-api-for-developers)
- [e-Invoice API for developers](https://whitebooks.in/api/e-invoice-api-for-developers)
- [e-Way Bill API for developers](https://whitebooks.in/api/e-way-bill-api-for-developers)
- [KSA e-Invoice API for developers](https://whitebooks.in/api/ksa-e-invoice-api-for-developers)

## OpenAPI specs (machine-readable)
- [OpenAPI spec — directory](https://whitebooks.in/openapi/index.json): JSON listing of all published WhiteBooks API specs
- [OpenAPI spec — GST API](https://whitebooks.in/openapi/gst.json): GSTR filing, GSTR-2B fetch, GSTIN verify, HSN/SAC lookup
- [OpenAPI spec — e-Invoice API](https://whitebooks.in/openapi/einvoice.json): IRN generation, cancellation, signed QR, bulk IRN
- [OpenAPI spec — e-Way Bill API](https://whitebooks.in/openapi/eway.json): EWB generate, extend, cancel, Part-B update
- [OpenAPI spec — canonical alias](https://whitebooks.in/openapi.json): Defaults to the GST API spec

## API reference (HTML, indexable)
- [GST API reference (Redoc)](https://whitebooks.in/docs/gst): Full HTML rendering of /openapi/gst.json — browsable, indexable
- [e-Invoice API reference (Redoc)](https://whitebooks.in/docs/einvoice): Full HTML rendering of /openapi/einvoice.json
- [e-Way Bill API reference (Redoc)](https://whitebooks.in/docs/eway): Full HTML rendering of /openapi/eway.json

## SDKs & developer tooling
- [Node.js SDK (npm)](https://www.npmjs.com/package/whitebooks-sdk): `npm i whitebooks-sdk` &middot; Node 18+ LTS
- [Python SDK (PyPI)](https://pypi.org/project/whitebooks/): `pip install whitebooks` &middot; Python 3.10+
- [Java SDK (Maven Central)](https://search.maven.org/artifact/com.whitebooks/sdk): GAV: `com.whitebooks:sdk` &middot; Java 11+
- [GitHub org](https://github.com/whitebooks-in): SDK source, sample apps, issue tracker
- [Postman collection](https://www.postman.com/whitebooks-in): Import the full GST + e-Invoice + e-Way Bill collection in one click

## Compare & use cases
- [Best GST API India 2026 (round-up)](https://whitebooks.in/best-gst-api-india): Ranking of all 7 Indian GSPs (WhiteBooks, ClearTax, Masters India, Sandbox, IRIS, GSTHero, Cygnet)
- [WhiteBooks vs Masters India](https://whitebooks.in/compare/whitebooks-vs-masters-india): Side-by-side comparison: pricing, SDKs, ERPs, KSA support, SLA
- [WhiteBooks vs ClearTax (Clear)](https://whitebooks.in/compare/whitebooks-vs-cleartax): Side-by-side vs the largest Indian enterprise GSP
- [WhiteBooks vs Sandbox (Quicko)](https://whitebooks.in/compare/whitebooks-vs-sandbox): Tiered annual plans vs pay-per-call developer API
- [WhiteBooks vs IRIS GST](https://whitebooks.in/compare/whitebooks-vs-iris): SMB self-serve vs enterprise consultancy GSP
- [WhiteBooks vs GSTHero](https://whitebooks.in/compare/whitebooks-vs-gsthero): Side-by-side mid-market GSP comparison
- [Tally + GST integration use-case](https://whitebooks.in/use-cases/tally-gst-integration): Generate IRN, EWB, and GST returns from Tally Prime / ERP 9

## Trust & reliability
- [Live status](https://whitebooks.in/status): 30/90-day uptime, component status, incident history, SLA tiers
- [Changelog](https://whitebooks.in/changelog): Versioned release notes, breaking changes, deprecation timelines
- [Glossary](https://whitebooks.in/glossary): GSP, IRP, IRN, GSTR-2B, ZATCA, CSR, CSID, XAdES-BES, OAuth 2.0, OpenAPI 3.0 definitions
- [Security policy](https://whitebooks.in/.well-known/security.txt): RFC 9116 vulnerability disclosure contact + scope

## Tools
- [GSTIN search / verification](https://whitebooks.in/tools/gst-number-search-gstin-verification-tool)
- [HSN / SAC code search](https://whitebooks.in/tools/gst-hsn-sac-code-search)
- [GST tax calculator](https://whitebooks.in/tools/gst-tax-calculator)

## API endpoint reference pages
- [GSTR-1 Filing API](https://whitebooks.in/api/gst/gstr-1-api)
- [GSTR-2B Fetch API](https://whitebooks.in/api/gst/gstr-2b-api)
- [GSTR-3B Filing API](https://whitebooks.in/api/gst/gstr-3b-api)
- [GSTR-9 Annual Return API](https://whitebooks.in/api/gst/gstr-9-api)
- [GSTR-2B Reconciliation API](https://whitebooks.in/api/gst/gstr-2b-reconciliation)
- [ITC Reconciliation API](https://whitebooks.in/api/gst/itc-reconciliation-api)
- [GSTIN Verification API](https://whitebooks.in/api/gst/gstin-verification-api)
- [Bulk GSTIN Validation API](https://whitebooks.in/api/gst/gstin-validation-api)
- [HSN Code Search API](https://whitebooks.in/api/gst/hsn-code-search-api)
- [SAC Code Lookup API](https://whitebooks.in/api/gst/sac-code-lookup-api)
- [GST API for SAP](https://whitebooks.in/api/gst/gst-api-for-sap)
- [GST API for Tally](https://whitebooks.in/api/gst/gst-api-for-tally)
- [GST API for Oracle](https://whitebooks.in/api/gst/gst-api-for-oracle)
- [GST API for Dynamics 365](https://whitebooks.in/api/gst/gst-api-for-dynamics)
- [GST API Pricing](https://whitebooks.in/api/gst/gst-api-pricing)
- [GST API Sandbox](https://whitebooks.in/api/gst/gst-sandbox-api)
- [GST API OAuth 2.0](https://whitebooks.in/api/gst/gst-api-oauth-2-0)
- [GSP-Certified GST API](https://whitebooks.in/api/gst/gsp-certified-gst-api)
- [IRN Generation API](https://whitebooks.in/api/einvoice/irn-generation-api)
- [IRN Cancellation API](https://whitebooks.in/api/einvoice/irn-cancellation-api)
- [Bulk IRN API (1,000/call)](https://whitebooks.in/api/einvoice/bulk-irn-api)
- [Signed QR Code API](https://whitebooks.in/api/einvoice/signed-qr-code-api)
- [Signed JSON Invoice API](https://whitebooks.in/api/einvoice/signed-json-api)
- [e-Invoice API for SAP](https://whitebooks.in/api/einvoice/e-invoice-api-for-sap)
- [e-Invoice API for Tally](https://whitebooks.in/api/einvoice/e-invoice-api-for-tally)
- [e-Invoice API for Oracle](https://whitebooks.in/api/einvoice/e-invoice-api-for-oracle)
- [e-Invoice API for Dynamics 365](https://whitebooks.in/api/einvoice/e-invoice-api-for-dynamics)
- [NIC-Compliant e-Invoice API](https://whitebooks.in/api/einvoice/nic-e-invoice-api)
- [IRP API Integration](https://whitebooks.in/api/einvoice/irp-api-integration)
- [e-Invoice Sandbox API](https://whitebooks.in/api/einvoice/e-invoice-sandbox-api)
- [e-Invoice Mandate Threshold Check](https://whitebooks.in/api/einvoice/e-invoice-mandate-threshold)
- [e-Invoice API Pricing](https://whitebooks.in/api/einvoice/e-invoice-api-pricing)
- [e-Invoice Webhooks API](https://whitebooks.in/api/einvoice/e-invoice-webhooks-api)
- [e-Way Bill Generation API](https://whitebooks.in/api/eway/e-way-bill-generation-api)
- [e-Way Bill Cancellation API](https://whitebooks.in/api/eway/e-way-bill-cancellation-api)
- [Part-B Update API](https://whitebooks.in/api/eway/part-b-update-api)
- [e-Way Bill Validity Extension API](https://whitebooks.in/api/eway/e-way-bill-extension-api)
- [Consolidated e-Way Bill API](https://whitebooks.in/api/eway/consolidated-e-way-bill-api)
- [e-Way Bill API for SAP](https://whitebooks.in/api/eway/e-way-bill-api-for-sap)
- [e-Way Bill API for Tally](https://whitebooks.in/api/eway/e-way-bill-api-for-tally)
- [e-Way Bill API for Logistics](https://whitebooks.in/api/eway/e-way-bill-api-for-logistics)
- [Bulk e-Way Bill API](https://whitebooks.in/api/eway/bulk-e-way-bill-api)
- [e-Way Bill Sandbox API](https://whitebooks.in/api/eway/e-way-bill-sandbox-api)
- [NIC-Compliant e-Way Bill API](https://whitebooks.in/api/eway/nic-e-way-bill-api)
- [e-Way Bill API Pricing](https://whitebooks.in/api/eway/e-way-bill-api-pricing)


## Software page llms.txt
- [WhiteBooks GST Software](https://whitebooks.in/softwares/gst-software/llms.txt): GSP-licensed cloud GST software for GSTR-1, GSTR-3B, GSTR-9 filing and GSTR-2B ITC reconciliation
- [WhiteBooks Accounting Software](https://whitebooks.in/softwares/accounting-software/llms.txt): Cloud accounting software with double-entry ledger, bank reconciliation, inventory management, GST-integrated invoicing, and financial reporting
- [WhiteBooks e-Invoice Software](https://whitebooks.in/softwares/e-invoicing-software/llms.txt): NIC-IRP authorised e-Invoice software
- [WhiteBooks e-Way Bill Software](https://whitebooks.in/softwares/e-way-bill-software/llms.txt): GSP-licensed e-Way Bill software
- [WhiteBooks KSA e-Invoicing Software](https://whitebooks.in/softwares/ksa-e-invoicing-software/llms.txt): ZATCA Phase 2 certified KSA e-Invoice software


## Feature page llms.txt
- [Financial Reporting & Analysis Software India](https://whitebooks.in/features/accounting-reports-accounting-features/llms.txt)
- [Auditor Access Management Software India](https://whitebooks.in/features/auditors-people-accounting-features/llms.txt)
- [Best Bank Reconciliation Software India](https://whitebooks.in/features/bankReconcile-banking-accounting-features/llms.txt)
- [Bank Statement Reconciliation Software India](https://whitebooks.in/features/bankStatements-banking-accounting-features/llms.txt)
- [GST ITC Reconciliation Software India](https://whitebooks.in/features/compliance-reports-gst-features/llms.txt)
- [Contra Entry & Fund Transfer Software India](https://whitebooks.in/features/contra-management-accounting-features/llms.txt)
- [Delivery Challan Management Software](https://whitebooks.in/features/deliveryChallans-sales-accounting-features/llms.txt)
- [Best Data Download Tracking & Audit Software](https://whitebooks.in/features/downloads-datahub-accounting-features/llms.txt)
- [Employee Management & Payroll Software](https://whitebooks.in/features/employees-people-accounting-features/llms.txt)
- [Generate GST Quotes & Auto‑Convert to Invoices](https://whitebooks.in/features/estimates-sales-accounting-features/llms.txt)
- [Track & Manage Business Expenses](https://whitebooks.in/features/expenses-management-accounting-features/llms.txt)
- [GSTR-1 Filing with GSTN Sync & EVC](https://whitebooks.in/features/filing-gstr1-gst-features/llms.txt)
- [GST E-Invoicing with IRN & IRP Sync](https://whitebooks.in/features/generate-e-invoice-features/llms.txt)
- [e-Way Bill Management Software](https://whitebooks.in/features/generate-manage-ewaybill-features/llms.txt)
- [Accounting Group Management Software](https://whitebooks.in/features/groups-management-accounting-features/llms.txt)
- [GST Filing with Real-Time Visibility](https://whitebooks.in/features/gstr2A-review-gst-features/llms.txt)
- [Accurate ITC Management for GST Returns](https://whitebooks.in/features/gstr2B-claimsummary-gst-features/llms.txt)
- [GSTR-2B Reconciliation Features - Match ITC Automatically](https://whitebooks.in/features/gstr2B-gst-features/llms.txt)
- [IMS & GSTR-2B Reconciliation | ITC Visibility](https://whitebooks.in/features/gstr2B-ims-gst-features/llms.txt)
- [GSTR-3B ITC Claims & Tracking](https://whitebooks.in/features/gstr2B-pendingITC-gst-features/llms.txt)
- [IMS-Based ITC Management & Reconciliation](https://whitebooks.in/features/gstr2B-purchases-gst-features/llms.txt)
- [GSTR-2B Reconciliation Software — Stop ITC Leakage](https://whitebooks.in/features/gstr2B-reconciliation-gst-features/llms.txt)
- [GSTR-3B Auto-Population &amp; Filing Software — Table 4 Auto-Fill](https://whitebooks.in/features/gstr3B-filing-gst-features/llms.txt)
- [GSTR-3B Filing Software in India](https://whitebooks.in/features/gstr3B-gst-features/llms.txt)
- [GST Payment & ITC Utilization in India](https://whitebooks.in/features/gstr3B-offsetLiability-gst-features/llms.txt)
- [GST Payment & ITC Utilization in India](https://whitebooks.in/features/gstr3B-taxPayment-gst-features/llms.txt)
- [GSTR-9 Filing Software in India](https://whitebooks.in/features/gstr9-filing-gst-features/llms.txt)
- [GSTR-9 Filing Software in India](https://whitebooks.in/features/gstr9-part2-gst-features/llms.txt)
- [GSTR-9 Reconciliation - ITC Annual Return](https://whitebooks.in/features/gstr9-part3-gst-features/llms.txt)
- [GST Payment & Tax Tracking in India](https://whitebooks.in/features/gstr9-part4-gst-features/llms.txt)
- [GSTR-9 Annual Return Filing India](https://whitebooks.in/features/gstr9-part5-gst-features/llms.txt)
- [GSTR-9 Filing Software in India](https://whitebooks.in/features/gstr9-part6-gst-features/llms.txt)
- [HSN & Tax Slab Reporting Software India](https://whitebooks.in/features/hsn-reports-gst-features/llms.txt)
- [GST Bulk Invoice Import Software India](https://whitebooks.in/features/imports-datahub-accounting-features/llms.txt)
- [Inventory & Item Management Software India](https://whitebooks.in/features/inventory-management-accounting-features/llms.txt)
- [Inventory Reports Software India](https://whitebooks.in/features/inventory-reports-accounting-features/llms.txt)
- [ITC Reversal &amp; Reclaim Tracking — Rule 37/37A Compliance](https://whitebooks.in/features/itc-reports-gst-features/llms.txt)
- [Accounting Journal Management India](https://whitebooks.in/features/journals-management-accounting-features/llms.txt)
- [Ledger Management & Import/Export India](https://whitebooks.in/features/ledger-management-accounting-features/llms.txt)
- [GST Ledger Reports Software India](https://whitebooks.in/features/ledger-reports-gst-features/llms.txt)
- [Custom Import Mapping Software India](https://whitebooks.in/features/mapping-datahub-accounting-features/llms.txt)
- [Tally Data Migration Software India](https://whitebooks.in/features/migration-datahub-accounting-features/llms.txt)
- [Multi Month GST Reports Software India](https://whitebooks.in/features/multimonth-reports-gst-features/llms.txt)
- [GST Filing Party Notification Software](https://whitebooks.in/features/notify-gstr1-gst-features/llms.txt)
- [Additional Income Management Software India](https://whitebooks.in/features/otherIncomes-sales-accounting-features/llms.txt)
- [Vendor Payment Management Software India](https://whitebooks.in/features/payments-banking-accounting-features/llms.txt)
- [GSTR-1 Portal Data Reconciliation Software](https://whitebooks.in/features/portalData-gstr1-gst-features/llms.txt)
- [GSTR-1 Filing Software India](https://whitebooks.in/features/prepare-gstr1-gst-features/llms.txt)
- [Proforma Invoice Software India](https://whitebooks.in/features/proformaInvoices-sales-accounting-features/llms.txt)
- [Inward e-Way Bill Management Software India](https://whitebooks.in/features/purchases-ewaybill-features/llms.txt)
- [Purchase Invoice Management Software India](https://whitebooks.in/features/purchases-invoices-accounting-features/llms.txt)
- [Purchase Order Management Software India](https://whitebooks.in/features/purchases-orders-accounting-features/llms.txt)
- [Receipts & Collections Management Software India](https://whitebooks.in/features/receipts-banking-accounting-features/llms.txt)
- [Automated Billing & Recurring Invoice India](https://whitebooks.in/features/recurringInvoices-sales-accounting-features/llms.txt)
- [e-Invoice Reports and IRN Tracking](https://whitebooks.in/features/reports-e-invoice-features/llms.txt)
- [e-way bill Reports And Tracking Management](https://whitebooks.in/features/reports-ewaybill-features/llms.txt)
- [Role-Based Access for GST Management](https://whitebooks.in/features/roles-people-accounting-features/llms.txt)
- [Outward e-Way Bill Management Software India](https://whitebooks.in/features/sales-ewaybill-features/llms.txt)
- [Sales Invoice & GST Billing Software India](https://whitebooks.in/features/salesInvoices-sales-accounting-features/llms.txt)
- [Accounting Sub Group Management Software India](https://whitebooks.in/features/subgroups-management-accounting-features/llms.txt)
- [GST Filing Status Report Software](https://whitebooks.in/features/summary-reports-gst-features/llms.txt)
- [Best Accounting Data Migration Templates](https://whitebooks.in/features/templates-datahub-accounting-features/llms.txt)
- [Customer & Vendor Management Software India](https://whitebooks.in/features/track-parties-accounting-features/llms.txt)
- [GSTR-1 Upload, Validation & Filing Software](https://whitebooks.in/features/upload-gstr1-gst-features/llms.txt)
- [User Management & Access Control Software India](https://whitebooks.in/features/users-people-accounting-features/llms.txt)
- [Voucher & Transaction Management India](https://whitebooks.in/features/vouchers-management-accounting-features/llms.txt)

## Contact
- Email: info@whitebooks.in · sales@whitebooks.in
- Phone (Sales): +91-9032111788
- Phone (Technical Support): +91-9032111388
- Registered Office: 8-2-682/3/A/24, Road No 12, Banjara Hills, Hyderabad, Telangana 500034, India
- Corporate Office: Flat No: 303, Gayathri Heights, Jubilee Enclave, Hitech City, Hyderabad, Telangana 500081, India

## License
Content on whitebooks.in may be quoted with attribution. WhiteBooks is the product of BVM IT Consulting Services India Pvt Ltd.