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Arcade Alliance

Live demo · Web app · Agencies, consultants & B2B service firms

Get paid without chasing.

Every invoice carries a UPI and card payment link. Reminders go out on WhatsApp and email on a schedule you set, stop the moment the client pays, and escalate politely when they don’t.

Try it live Make it yours

The problem

“We spend the first week of every month chasing payments.”
The problem this demo is built to solveLive demo · sample data

What is payment reminder software?

Payment reminder software sends polite WhatsApp and email reminders for unpaid invoices on a schedule you choose — before the due date, on it and after it — each with a payment link. When a client pays, the reminders stop and a receipt goes out, so nobody spends the first week of the month chasing dues.

Built around your workflow: this demo is a starting point — screens, fields, rules and integrations are made to fit your business.

Reminders per unpaid invoice

Before: 3 typed by handWith the system: 0 — they send themselves

How the system works · how we measured

In the demo, reminders are scheduled before, on and after the due date and stop when the invoice is paid; nobody writes them.

01 · The problem

What problem does it solve?

A 20-person digital agency bills 60 clients a month — retainers, milestones and one-off jobs. Invoices go out as PDFs on email, and payment terms are anywhere from advance to 30 days.

From the 1st of every month, the founder and the accounts person go through a spreadsheet, message each late client and call the worst ones. Some are chased twice by mistake; others are forgotten until the next month.

  • Founder time

    Days a month spent on follow-ups.

  • Cash flow

    Money that could be in the bank sits overdue.

  • Awkward chasing

    Clients chased twice, or not at all.

  • No picture

    Nobody knows the total overdue without a spreadsheet.

02 · The solution

How does Invoicing & Payment Reminders fix it?

  1. 01

    A link on every invoice

    Invoices go out with a UPI and card link; payments are matched to the invoice automatically.

  2. 02

    Reminders on a schedule

    A friendly note three days before, one on the due date and firmer ones after — on WhatsApp, email or both, per client.

  3. 03

    Stop when paid

    A payment or a “paid by cheque” entry stops the reminders and sends a receipt.

  4. 04

    Escalate the right ones

    Invoices past your limit go to the account manager with the full history.

03 · The result

What changes?

Reminders per unpaid invoice

Before: 3 typed by handWith the system: 0 — they send themselves

How the system works · how we measured

In the demo, reminders are scheduled before, on and after the due date and stop when the invoice is paid; nobody writes them.

Reminders typed by hand
0
Payment link on every invoice
UPI
Stops when paid
Auto
Who owes what, by days
Ageing

Live demo

Try it live.

Clickable, with sample data. Nothing you do here is saved or sent anywhere.
  1. 1Open the overdue INV-0412 and press “Send reminder” — the due date moves and the log updates.
  2. 2Press “Record payment” on any invoice and watch it move to Paid.
  3. 3Simulate a new invoice, then drag it from Draft to Sent.
Make it yours
Loading the demo…

Before & after

The same day, two ways.

Watch each task move from the way it’s done today to the way it runs on the system — or drag the slider yourself.
Today
With the system
  • ReminderToday: Typed by hand, if rememberedWith the system: Sent on schedule, every time
  • PayingToday: Bank details in the PDFWith the system: UPI or card link in the message
  • Total overdueToday: Ask accountsWith the system: On the screen, by age
  • Recurring retainersToday: Copied from last monthWith the system: Raised automatically

Your numbers

What could it save you?

Put in your own volume and timing. It’s your estimate, worked out in your browser — not a promise from us.
min
min

Our estimate for the same task — change it if you like.

₹ / hr

Your estimate

9 hours a month

About 1.1 working days back every month.

60 payment follow-ups a month × 9.0 minutes saved each. Your numbers stay in this browser.

Make it yours

Built around your business.

Choose what your version of Invoicing & Payment Reminders needs. Your brief builds itself — send it, and we reply with a plan.

Often asked for by businesses like yours

  • Different tone for key accounts
  • No reminders to some clients
  • Escalation to the account manager
  • GST invoice format
  • Advance and milestone billing
Always included
  • Invoices with payment links
  • Reminder schedules
  • Stop on payment
  • Ageing report
Add modules
Connect to the tools you use
Runs on
Languages
Hosting
Team size

Under the hood

How is it built?

Where the data comes from, what the system does with it, and what comes out.

Inputs

  • Invoices & retainers
  • Client payment terms
  • Payment gateway & bank feed

The engine

  • Reminder schedules per client
  • Payment matching
  • Escalation rules

Outputs

  • WhatsApp & email reminders with links
  • Receipts
  • Ageing report & statements

Modules

  • Invoices with UPI & card links
  • Automatic reminders
  • Receivables ageing
  • Recurring invoices
  • Statements of account
  • Escalation rules

Connects to

  • Razorpay
  • Cashfree
  • WhatsApp Business API
  • Email
  • Tally
  • Zoho Books

Stack

  • Next.js
  • Node.js
  • PostgreSQL
  • Razorpay / Cashfree
  • WhatsApp Business API
  • Email (SES)

Proof, the honest way

What would you measure?

This is a demo, so we don’t claim client results. In a real roll-out, these are the numbers we track from week one — before and after.

  • Days to get paid

    Average, by client and by month.

  • Overdue total

    Over 30, 60 and 90 days.

  • Paid by link

    Share of invoices paid from the reminder.

  • Escalations

    Invoices that needed a person.

FAQ

Invoicing & Payment Reminders FAQ

All questions →
What is payment reminder software?

Payment reminder software sends polite WhatsApp and email reminders for unpaid invoices on a schedule you choose — before the due date, on it and after it — each with a payment link. When a client pays, the reminders stop and a receipt goes out, so nobody spends the first week of the month chasing dues.

Will clients find automatic reminders rude?

You write the messages and choose the schedule. Most firms start with a friendly note before the due date and only firm up after it — and you can switch reminders off for any client.

Can it send reminders on WhatsApp?

Yes, through the WhatsApp Business API with approved templates, plus email. Each client can get one or both.

How does it know an invoice is paid?

Payments through the link are matched automatically. Bank transfers and cheques are matched from the bank statement or marked by your team.

Do we have to stop using Tally or Zoho Books?

No. Invoices and payments can sync to your accounting software, which stays the book of record.

Can it handle retainers and milestones?

Yes. Retainers are raised automatically each month, and project milestones are invoiced when they are marked done.

Built around you

Every demo is a starting point.

Nothing here is sold as-is. Each one is rebuilt around your business — these are the things we tailor on every project.

  • Your workflow

    Steps, approvals and statuses the way your team works today.

  • Roles & permissions

    Who sees and changes what — by branch, team or person.

  • Fields & forms

    Your terms, your fields, your numbering and units.

  • Reports

    The numbers you check every day, in your format.

  • Integrations

    Tally, WhatsApp, payments, couriers and the tools you already use.

  • Your brand

    Your name, logo and colours on every screen and document.

  • Language

    English, Hindi or a regional language for staff and customers.

  • Hosting

    Our cloud, your cloud account or your own server.

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Updated 30 Oct 2026 · Arcade Alliance Network is a web, app, software and AI development company in Lucknow, India, building custom software for businesses in India and worldwide.

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