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Integration · Zoho Books + WhatsApp

Zoho Books reminders on WhatsApp. With the right amount, every time.

Invoices, due-date reminders and payment confirmations sent on WhatsApp from the figures in Zoho Books, and a daily summary of what came in and what is overdue for the owner.

Is this the right service?
  • Zoho Books
  • WhatsApp Business Platform
  • Payment reminders
  • Webhooks
How the connection works
  1. Zoho Books

    An invoice is created, falls due or is paid.

  2. Connector

    Picks the right template, fills in the amount and checks the customer agreed to WhatsApp.

  3. WhatsApp

    The customer gets the message, with a link to pay.

Nothing is sent to a customer who has not opted in.

01 / Is this the one

Is this the connection you need?

It suits a business that invoices from Zoho Books and chases payments by phone today.

The right choice when

  • Your customers answer WhatsApp faster than email.
  • Reminders should follow your own rules: how many, how often, and when to stop.
  • The owner wants one message a day with collections and overdue amounts.

Look elsewhere when

  • Zoho's own WhatsApp options already cover your reminders. Try those first.
  • Your invoices live in more than one system. Settle on one first.
  • You need customers to reply with documents and approvals. That is a larger build.

02 / What the work covers

What the work covers.

A first version usually covers one reminder sequence and the owner's summary.

  1. 01

    Rules and wording

    Which invoices, when each reminder goes, what it says, and when a person takes over.

  2. 02

    Zoho Books access

    An OAuth connection with only the access the connector needs, in your Zoho data centre.

  3. 03

    WhatsApp templates

    The templates Meta must approve, the business number and the opt-in record.

  4. 04

    Log and handover

    Every message logged against its invoice. Code and accounts handed to you.

03 / Limits and risks

Where it can go wrong.

WhatsApp sets the rules for messages you start

A message the business sends first must use a template Meta has approved, and Meta charges for most of them. Replies within 24 hours of the customer's last message are free-form.

Zoho Books's plan decides what is possible

API access, call limits and some data depend on the Zoho Books plan you are on. We check yours before quoting, so the limit is found on the first call and not after launch.

Two systems will disagree sometimes

A product renamed in one, an invoice deleted in the other, a tax rate changed mid-year. We agree with you which system wins, and a sync that fails is logged and retried, never skipped quietly.

04 / What we can show

The same idea, as our own product.

ZeroDelay.si connects business software to WhatsApp, Telegram and the web, so a team asks and gets answers, and staff send updates that wait for approval. Its Zoho Books connection is built and tested by our team. FocusPulse, our market-news product, already delivers its briefings on Telegram.

What this does not show

A client project. ZeroDelay.si is in early access, and we have no published client case study of this integration.

A little clarity

Before connecting Zoho Books to WhatsApp.

Can we see it working?

Yes. This connection is built and tested by our team, and we can demo it for you on a free call before you decide anything.

Can customers pay from the message?

Yes, with the payment link Zoho Books already creates for the invoice, if you use a payment gateway with it.

Which Zoho data centre does it work with?

All of them. Zoho runs separate data centres, such as India, the US and Europe, and the connection is made to yours.

Is there not an app for this already?

Sometimes there is, and if a vendor's own app or a no-code tool does what you need, use it: it is cheaper. A built connection earns its place when the rules are yours, such as which records go, who sees what, what happens when the two systems disagree, or when the volume makes per-task pricing expensive.

What does it cost?

It depends on how many reminder rules and messages you start with. First releases at NSDBytes start from $5,000. The project cost estimator gives a range, and a fixed quote follows a free scoping call. Charges from the services themselves, such as WhatsApp messages, API plans and hosting, are billed by those providers and are separate.

Who owns the connection once it is built?

You do. The code, the server it runs on and the accounts with each provider are yours once the final invoice is paid. We can run and maintain it afterwards if you want, but you are never locked in.

Start wherever you are

Bring your reminder rules.

We'll show you what can go out automatically and where a person should stay in the loop.

Want certainty before you commit? Start with a scoping project, $500

Let’s talk about your project.

Just your name and email to start. Add a brief if you have one.

Nikunj, our Sales Head, replies within one business day.

Prefer email? [email protected]