Nico Huysamen
Founder & Engineer, Tora Technologies
Cape Town, South Africa
Nico is the founder of Tora Technologies and the engineer behind Rebill. He has more than a decade of experience building SaaS products across payments, identity, and fintech, and started Rebill to give South African freelancers, consultants, and small businesses an invoicing tool that genuinely fits the local market: SARS-compliant, POPIA-ready, WhatsApp-first, and priced for a small business budget.
Nico writes the code, talks to the customers, and pays SARS from the same country you do. If you have a question about a Rebill post or want to flag something that is wrong, email him directly at support@rebill.co.za.
Areas of expertise
- SaaS product engineering
- Invoicing and billing software
- SARS-compliant tax invoicing
- Paystack, Yoco, and PayFast payment integrations
- POPIA compliance for small businesses
- Recurring billing and subscription management
- WhatsApp Business API and messaging workflows
Articles by Nico Huysamen
What is a Client Portal? (And Why Your Business Needs One)
What a client portal is, how it benefits clients and your business, and how Rebill lets clients view invoices, statements, and pay online.
FundamentalsWhat is a Statement of Account and When Should You Send One?
What a statement of account is, when to send one in South Africa, what to include, and how it differs from an invoice. Tips for overdue.
FundamentalsInvoice Numbering in South Africa: Formats and Rules
How to number invoices in South Africa. SARS sequential number rules, common formats, multi-client tips, and avoiding duplicates.
FundamentalsWhat is an Invoice? Definition, Types, and What to Include
What an invoice is: types (tax, proforma, recurring, credit note), what to include, and how invoices differ from quotes and receipts.
FundamentalsWhat is Recurring Billing? (And Does Your Business Need It?)
Recurring billing defined: what it is, which business types benefit most, how it differs from one-off invoicing, and when to set it up.
Getting PaidHow Does Paystack Work for South African Businesses?
How Paystack works for South African businesses: fees, setup, supported card types, connecting to invoicing, and payouts to your bank account.
Small BusinessHow to Track Business Expenses in South Africa
A practical guide to tracking business expenses in South Africa for SARS and profitability. What to track, categorising, and simple tools.
Getting PaidHow to Add a Payment Link to an Invoice in South Africa
How to add a Paystack, Yoco, or PayFast payment link to your invoice in South Africa so clients can pay by card instantly. Step-by-step guide with Rebill.
Getting PaidHow to Charge Late Fees on Invoices in South Africa
How to legally charge late fees on overdue invoices in South Africa. Legal basis, setting a rate, grace periods, and automating late fees.
FundamentalsQuote vs Invoice: When to Send Which in South Africa
The difference between a quote and an invoice in South Africa. When to use each, converting quotes to invoices, and what acceptance means.
SARS & VATWhat POPIA Means for Your Business Invoices in SA
How POPIA (Protection of Personal Information Act) applies to South African business invoicing. What it requires and how to stay compliant.
SARS & VATWhat is an Abridged Tax Invoice in South Africa?
Abridged tax invoices in South Africa: simplified SARS-compliant invoices for R50-R4,999 sales. When to use one and required fields.
Getting PaidHow to Accept Card Payments on Your Invoices in South Africa
Add online card payment links to invoices in South Africa with Paystack, Yoco, or PayFast. Setup, fees, and why cards get you paid faster.
Small BusinessHow to Set Up Recurring Billing in South Africa
Practical guide to recurring billing for South African businesses. Who needs it, setting schedules, and automating retainers and subs.
WhatsApp InvoicingWhatsApp Invoicing for South African Freelancers
How South African freelancers use WhatsApp to send invoices and get paid faster. Workflow, message template, and how Rebill automates it.
Getting PaidHow to Chase a Late Invoice Payment in South Africa
A practical escalation process for chasing overdue invoices in South Africa. Scripts per stage, when to charge late fees, and when to escalate legally.
Freelancer GuidesHow to Invoice International Clients from South Africa
How to invoice international clients from South Africa: currency, export VAT, payment methods (Wise, Payoneer, SWIFT), and getting paid.
SARS & VATShould I Register for VAT in South Africa?
Practical guide to VAT registration in South Africa. The R1 million threshold, voluntary registration, pros and cons, and invoice impact.
Getting PaidPaystack vs Yoco vs PayFast for SA Invoices
Paystack vs Yoco vs PayFast for South African small businesses: fees, setup, card types, EFT support, and which gateway suits you best.
Getting PaidHow to Get Paid Faster as a Freelancer in South Africa
Tactics for South African freelancers to get invoices paid faster: payment links, WhatsApp delivery, better terms, reminders, late fees.
Getting PaidInvoice Payment Terms in South Africa Explained
Guide to invoice payment terms for South African small businesses: Net 7, Net 14, Net 30, EOM, COD, and how to pick the right ones.
FundamentalsInvoice vs Tax Invoice in South Africa: The Difference
The difference between an invoice and a tax invoice in South Africa: when to use each, required fields, and how VAT registration decides.
FundamentalsWhat is a Tax Invoice in South Africa? (Definition)
A clear definition of a tax invoice in South Africa: required fields, full vs abridged invoices, and a worked example.
Small BusinessBest Invoice Software in South Africa (2026)
Honest comparison of the best invoicing software for South African small businesses in 2026. Pricing, SA features, payment gateways, fit.
Freelancer GuidesHow to Invoice as a Freelancer in South Africa
Everything South African freelancers need for invoicing: what to include, numbering, VAT, payment terms, and chasing late payments.
SARS & VATHow to Create a VAT Invoice in South Africa (With Examples)
Step-by-step guide to creating a VAT invoice in South Africa. When to charge VAT, calculating the 15%, and required invoice fields.
SARS & VATSARS Tax Invoice Requirements in South Africa (Checklist)
The full list of fields a SARS-compliant tax invoice must include in South Africa. Full vs abridged invoices, with a printable checklist.
WhatsApp InvoicingHow to Send an Invoice via WhatsApp in South Africa
Send a professional invoice via WhatsApp in South Africa. Manual and automated methods, with payment links included, step by step.