Yi.nvoice - Just chat. We invoice.

How it works

Three steps. That's the whole thing.

From a sentence to a paid invoice - Yi does the middle bit.

1 Chat with Yi

Describe it like you'd say it.

No fields to fill. Just type what the invoice is for - client, items, amounts - the way you'd tell a colleague.

SMART MEMORYRemembers your clients, items and preferences for next time.

PLAIN LANGUAGEOne message in. A structured invoice out.

Yi.nvoiceFree · 0/100

Hi! I'm Yi. You talk, I invoice. It's that simple - try me. :)

4:08 PM

Decorations for Ian's birthday party $500
Transportation $500
Customer name: Mrs. Awesome Tan

➤

Press Enter to send · Powered by 3V3.AI

2 Edit or confirm

Yi builds it. You just check.

A complete, GST-aware invoice appears instantly - line items, tax, totals. Tweak anything inline, or confirm in one click.

GST AWAREStandard-rated tax handled and calculated for you.

ONE-CLICKHappy with it? Confirm and it's done.

✓ Confirm Invoice

Lovely Decorations Pte Ltd1 North Bridge Rd · 179094 · Singapore

INVOICE

INV-20260331-6376
Date: 2026-03-31

Bill to

Mrs. Awesome Tan

Description	Qty	Unit	Tax	Amount
Decorations for Ian's birthday party	1	$500	SR 9%	$500.00
Transportation	1	$500	SR 9%	$500.00

Subtotal$1000.00

Tax (9%)$90.00

Total$1090.00

3 Send & get paid

A PayNow QR, ready to scan.

Every invoice ships with a Singapore PayNow QR and a shareable link. Drop it in email or WhatsApp - your client scans, pays, done. You go back to lying on the lily pads.

PAYNOW READYQR generated automatically for every invoice.

SHARE ANYWHERESend by link - email, WhatsApp, anywhere. No PDF wrangling.

FASTER CASHScan-to-pay means you get paid sooner.

Pay with PayNow (Singapore)

1 Open your banking app
2 Select PayNow → Scan
3 Scan the QR code
4 Confirm & pay

Payment received

Just chat.
We'll invoice.

Three steps. That's the whole thing.

Describe it like you'd say it.

Yi builds it. You just check.

A PayNow QR, ready to scan.

You talk. Yi invoices.