Manufacturing: ERP-Linked e-Invoice

Manufacturers run their billing inside an ERP (SAP, Oracle, Microsoft Dynamics) and need every B2B invoice to have an IRN + signed QR before the truck leaves the gate. WhiteBooks integrates at the billing-document-post hook, generates IRN in <100ms, and posts the IRN back to the ERP document for print on the gate pass.

Multi-plant setup

Manufacturers typically have one GSTIN per state where they operate. Map each ERP company code or plant to its GSTIN. WhiteBooks supports the multi-GSTIN model natively — IRN generation routes to the correct GSTIN based on the seller field, and GSTR-1 / 3B rolls up per GSTIN.

Month-end bulk run

SAP customers running mass billing (VF06) post hundreds of invoices in a batch. The bulk IRN endpoint accepts up to 1,000 invoices per call; per-row status surfaces any rejected rows for one-click correction.

Exception dashboard

The WhiteBooks dashboard inside SAP (or standalone) lists invoices that failed IRP validation, with the IRP error code, the offending field, and a one-click fix-and-retry workflow.

FAQs

Who uses WhiteBooks for Manufacturing workflows?

Manufacturers issue thousands of invoices per day across multiple plants. Each B2B invoice needs an IRN before despatch. WhiteBooks handles this via OAuth 2.0 REST APIs, first-party SDKs in Java / Node / Python, and pre-built connectors for SAP / Oracle / Dynamics / Tally.

How long does integration take?

Typical timelines: 1–2 sprints for SaaS / fintech integrations on the raw REST API; 3–5 weeks for Tally-connector deployments; 4–8 weeks for SAP / Oracle full integrations.

Sandbox?

Yes — apisandbox.whitebooks.in/{product} mirrors the production schema with a sample GSTIN. Free.

Does it support KSA ZATCA?

Yes — WhiteBooks ships a dedicated KSA e-Invoice API for businesses with Saudi Arabia operations. See /api/ksa-e-invoice-api-for-developers.

Pricing?

Annual plans from Custom pricing (Starter, 1,000 IRN/month) → Custom enterprise pricing/year (Enterprise, unlimited). Free sandbox. See /about/pricing.

Part of the WhiteBooks Manufacturing use-case cluster. Last updated 27 May 2026.

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