INVOICE MODULE
Live · Included with P&L Standard

Invoice clients.
Get paid. Books update.

Create professional invoices with PayNow QR built in. When a client pays, it posts to your P&L as revenue automatically. No double entry, no reconciling.

Included with P&L Standard (S$10/month). No credit card needed to sign up.
WHAT IT DOES
Everything invoicing in one place
No more Word templates. No more tracking payments in a spreadsheet. Invoice inside the same platform that runs your P&L.
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Create invoices fast
Fill in client details, line items and due date. Download as PDF instantly. Custom prefix and invoice numbering included.
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PayNow QR included
Every invoice comes with a PayNow QR code — UEN, mobile number or NRIC. Clients scan and pay. Bill Number pre-fills Remarks in DBS and most SG banking apps.
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Track outstanding
See all unpaid and overdue invoices at a glance. Know exactly how much is owed to you at any point.
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Invoice history
All your invoices in one place. Filter by status — unpaid, overdue, partial, paid. Download any PDF any time.
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GST-ready
GST line items added automatically if you're GST-registered. Invoice stays compliant without extra work.
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Auto-posts to P&L
When an invoice is fully paid, the revenue posts to your P&L automatically. No manual entry. No reconciling between tools.
P&L INTEGRATION
Invoice paid → P&L updated.
No action needed.
Record a payment and mark an invoice as paid. snapbook posts it to your P&L as revenue straight away — categorised, dated, and labelled with the invoice number so it's easy to trace.
1
Create & send invoice
Add client, line items, due date. Download PDF with PayNow QR.
2
Record payment when received
Mark full or partial payment with the date. Balance updates automatically.
3
Revenue hits P&L instantly
Fully paid invoice auto-posts as revenue. Your P&L is always current.
INVOICE → P&L REVENUE
INV-0012 · Tan Wei Ming
Web Design Services
TotalS$2,400.00
Status✓ Paid
auto-posted to P&L
Revenue · Service Income
INV-0012 — Tan Wei Ming
Amount+S$2,400.00
WHO THIS IS FOR
Anyone who bills clients
If you're sending invoices manually or tracking payments in your head, this gets it sorted.
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Freelancers
Designers, developers, writers, consultants
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Contractors
Renovation, plumbing, electrical, aircon
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Tutors
Private tuition, music lessons, coaching
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Small businesses
Any Pte Ltd or sole prop billing B2B
COMMON QUESTIONS
Frequently asked questions
Snapbook invoicing is included with the P&L Standard plan at S$10/month. It is not available on the free tier. The Standard plan also includes full AI receipt scanning and IRAS-aligned P&L export.
Yes. Every Snapbook invoice includes an EMVCo-compliant PayNow QR code pre-filled with the balance due and invoice number. Clients scan and pay directly. The invoice number pre-fills the Remarks field in DBS and most Singapore banking apps.
Yes. If you are GST-registered, Snapbook adds GST line items at 9% automatically. Your invoice stays compliant without any extra configuration.
When you mark an invoice as fully paid in Snapbook, the revenue posts automatically to your P&L — categorised, dated, and labelled with the invoice number. No manual entry or reconciling needed. Partial payments are also supported and tracked separately until the invoice is fully settled.
Yes. Snapbook shows all your invoices by status — unpaid, overdue, partial, and paid. You can see exactly how much is outstanding at any point and download any invoice PDF at any time.
Start invoicing with PayNow QR today.
Included with P&L Standard at S$10/month. Unlimited invoices, PayNow QR on every one.
Already have an account? Go to Invoices →