> For the complete documentation index, see [llms.txt](https://vendex.gitbook.io/vendex-invoice/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://vendex.gitbook.io/vendex-invoice/getting-started/quickstart.md).

# Overview

<figure><img src="https://2837573412-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FyceJcBYqGVwYe9kCiOub%2Fuploads%2F4my48LXtS5bQCnf117sd%2FFrame%2026814.png?alt=media&amp;token=6444e9f8-21e1-4056-b4e6-a0b968c4deca" alt=""><figcaption></figcaption></figure>

### What is Vendex?

Vendex is a invoice and receivable management software that helps you:

* Create and send compliant invoices
* Manage sales order workflows
* Track and reconcile account receivables&#x20;
* Automate cash flow and reporting

### Who can use Vendex?

Vendex is designed for SMEs and Suppliers who want to automate their order fulfillment processes and stay compliant with tax and regulatory bodies.

### System Requirements

* Modern web browser (Chrome 90+, Firefox 88+, Safari 14+, Edge 90+)
* Internet connection (minimum 1 Mbps recommended)
* Email address for account verification
* Valid Tax Identification Number (TIN)

### Account Types

| Account Type | Description                                                        | Best For            |
| ------------ | ------------------------------------------------------------------ | ------------------- |
| Standard     | Basic invoicing, payment reminders, basic analytics                | Small businesses    |
| Premium      | Advanced forecasting, custom integrations, priority support        | Growing SMEs        |
| Enterprise   | Custom features, dedicated support, white-labeling, SLA guarantees | Large organizations |

### Glossary

* **Access Point Provider (APP):** Certified entity responsible for secure transmission of e-invoices to FIRS.
* **Credit Note:** Document issued to reduce or cancel an invoice amount, typically for returns or corrections.
* **Debit Note:** Document issued to increase an invoice amount for additional charges.
* **E-Invoicing:** Digital process for creating, sending, and processing invoices electronically in structured format.
* **Entity ID:** Unique identifier assigned by FIRS to each registered business entity.
* **FIRS:** Federal Inland Revenue Service, Nigeria's primary tax authority.
* **Fiscalization:** Reporting of paid invoices to tax authorities for tax compliance.
* **HSN Code:** Harmonized System of Nomenclature code used to classify products and services internationally.
* **IRN:** Invoice Reference Number, unique identifier following format: {InvoiceNo}-{ServiceID}-{YYYYMMDD}.
* **MBS:** Merchant Buyer Solution, FIRS's e-invoicing licensing framework.
* **NITDA:** National Information Technology Development Agency, regulatory body for IT in Nigeria.
* **QR Code:** Machine-readable code containing invoice verification data.
* **Service ID:** 4-8 character identifier extracted from business's IRN template.
* **TIN:** Tax Identification Number assigned to individuals or businesses for taxation purposes.
* **UBL:** Universal Business Language, standardized format for electronic business documents.
* **VAT:** Value Added Tax, standard rate 7.5% in Nigeria.

### Support Channels

* Email Support: <help@vendex.africa>
* Sales Inquiries: <sales@vendex.africa>
* Emergency Support: Available for Premium and Enterprise customers