AVETIUM E-INVOICING FOR ZOHO BOOKS

E-invoicing, built into
the way you already work.

Avetium E-Invoicing brings NRS/FIRS validation directly into Zoho Books — submit invoices, generate IRNs, receive CSIDs and QR-coded proof of validation without leaving your existing workflow.

Install Avetium E-Invoicing

✓ Integrated with Zoho Books ✓ NRS/FIRS Validated ✓ IRN & CSID Generation

zohobooks.com · Avetium E-Invoicing

Zoho Books Invoice Invoice #INV-10482 • ₦485,000

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Submit via Avetium Click "Submit to NRS via Avetium"

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NRS/FIRS Validation Real-time validation in progress

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Validated Invoice ✓ IRN · ✓ CSID · ✓ QR Code

VALIDATED

✓ VALIDATED

IRN NG-INV-2026-0010482

CSID AVT-8F92-73KD

NRS/FIRS Ready

VALUE PROPOSITION

Make e-invoicing part of your everyday invoicing workflow

With Avetium, the e-invoicing process happens within Zoho Books. Create your invoice, submit it through Avetium, and receive the required validation details directly on the invoice.

Real-Time Validation

Submit invoices for NRS/FIRS validation through Avetium directly from your invoice screen.

No Separate System

Stay within your existing Zoho Books workflow. No new platforms, no duplicated data entry.

Automated Validation Details

Receive IRN, CSID and QR-coded proof of validation directly on the invoice, automatically.

THE PROCESS

How It Works

Create your invoice

Create your invoice in Zoho Books exactly as you normally do. No changes to your existing process.

Submit to NRS via Avetium

Select "Submit to NRS via Avetium" from your invoice. Avetium pre-validates and queues it for submission.

Validate your invoice

Avetium validates the invoice with NRS/FIRS in real time. You receive clear feedback on the status.

Receive validation details

Your IRN, CSID and scannable QR code are returned directly to the invoice in Zoho Books.

INTERACTIVE DEMO

Click through to experience the Avetium workflow from invoice creation to validation.

www.avetium-e-invoicing.com

Watch

Invoice Created Ready to submit

Validating Checking with NRS/FIRS

Validation Success IRN & CSID generated

Invoice Complete QR code attached

KEY CAPABILITIES

Everything you need for compliant e-invoicing

Built for businesses that want to incorporate NRS/FIRS e-invoicing into their existing Zoho Books workflow.

NRS/FIRS Validation

Submit invoices for validation directly from Zoho Books without switching to a separate system.

IRN & CSID Generation

Receive the required e-invoicing identifiers directly on validated invoices, automatically.

QR Code

Validated invoices include a scannable QR code for easy verification by any party.

Pre-Submission Validation

Built-in checks help identify relevant issues before submission, reducing rejection rates.

Clear Validation Feedback

When an invoice requires correction, receive structured guidance to help resolve it before resubmission.

Submission & Validation Records

Maintain a clear record of invoice submissions and validation activity for reference and audit purposes.

BUILT FOR NIGERIA

Designed for Nigerian
businesses using Zoho Books.

Avetium E-Invoicing is built for businesses that want to incorporate NRS/FIRS e-invoicing into their existing Zoho Books workflow.

Your team continues to create and manage invoices in Zoho Books. Avetium takes care of the e-invoicing layer.

NRS/FIRS

Aligned with Nigerian e-invoicing requirements

Zoho Books

Works inside the invoicing tool you already use

IRN · CSID · QR

All required validation identifiers returned directly on your invoice

Integrations

Your invoices stay where they belong.

Your team continues to create and manage invoices in Zoho Books. Avetium takes care of the e-invoicing layer — silently, reliably, without disrupting your workflow.

Get started today

FAQs

Got questions about the Avetium E-Invoicing

Frequently Asked Questions

Avetium E-Invoicing is an extension for Zoho Books that enables seamless NRS/FIRS e-invoice validation. It lets you submit invoices, receive IRNs, CSIDs, and QR codes without leaving your Zoho Books workflow.

No. Avetium works entirely within Zoho Books. There is no separate platform to log into or manage — everything happens inside the tools you already use.

Upon successful validation you receive an IRN (Invoice Reference Number), CSID (Cryptographic Stamp Identifier), and a scannable QR code attached directly to the invoice.

You receive clear, structured feedback highlighting the issues. Fix them in Zoho Books and resubmit — Avetium guides you through the correction process.

Yes. Avetium maintains a clear record of all invoice submissions and validation activity for reference, compliance, and audit purposes.

Ready to Get Started?

Add Avetium E-Invoicing to Zoho Books and bring NRS/FIRS e-invoicing into your existing workflow.

Install Extension Need to know more?

E-invoicing, built into the way you already work.