Before you switch your billing to WhatsApp, you want one number: what will this cost me every month? Most Tally WhatsApp price pages give you a package, a licence and a renewal date. This guide does the opposite. It shows the real cost of sending invoices on WhatsApp from Tally, with simple maths you can check on a calculator, for a small shop, a busy distributor and everyone in between.

The short version: the Fast2SMS Tally WhatsApp plugin costs ₹0 to download and use, with no licence, no renewal and no monthly fee. You pay ₹0.25 for each WhatsApp message that is delivered, from your own Fast2SMS wallet. Failed messages are refunded. That is the whole Tally WhatsApp plugin cost.

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What you pay for, and what you do not

A Tally WhatsApp setup has two possible costs: the software that sits inside Tally, and the messages you send. With the free WhatsApp plugin for Tally from Fast2SMS, the first one is zero. Here is the full list:

So the cost of sending an invoice on WhatsApp from Tally is simply the number of delivered messages multiplied by ₹0.25. Nothing else is added on top from the plugin side.

Tally WhatsApp cost per month: the ready table

Find the row closest to the number of invoices you raise in a month. The maths is invoices x ₹0.25.

A small retail shop sending 50 bills a month pays ₹12.50 for the whole month. A distributor sending 2,000 invoices a month pays ₹500. And the plugin itself stays at ₹0 in every row, month after month.

How to work out your own Tally WhatsApp price

Invoices are not the only thing you will send. Receipts, payment advice, outstanding reminders and ledger confirmations also go as WhatsApp messages, and each one counts as one message. All the Tally templates are utility messages, so every one of them is ₹0.25 when delivered.

Use this simple method:

1. Count your monthly invoices. Look at the sales register for a normal month.
2. Add receipts you want to confirm. Every receipt voucher you send is one more message.
3. Add reminders. If you send one outstanding reminder to each debtor every month, add the number of debtors.
4. Multiply the total by ₹0.25. That is your monthly WhatsApp cost.

Worked example: a hardware shop

The shop raises about 20 bills a day and is open 26 days a month. That is 20 x 26 = 520 invoices. It also sends one monthly outstanding reminder to 150 credit customers.

• Invoices: 520 x ₹0.25 = ₹130
• Reminders: 150 x ₹0.25 = ₹37.50
• Total: ₹167.50 per month

Worked example: an FMCG distributor

The distributor sends 1,500 invoices a month from the sales register in bulk, 400 receipt confirmations, and a monthly reminder to 300 retailers.

• Invoices: 1,500 x ₹0.25 = ₹375
• Receipts: 400 x ₹0.25 = ₹100
• Reminders: 300 x ₹0.25 = ₹75
• Total: ₹550 per month

Worked example: a CA firm

A CA firm sends each of its 80 clients a ledger confirmation and a trial balance once a month: 80 x 2 = 160 messages, so 160 x ₹0.25 = ₹40 per month.

You can see how the wallet is moving at any time, because the Fast2SMS wallet balance shows inside Tally itself, with a recharge option right there.

Free plugin vs paid Tally WhatsApp TDL vs Tally’s own service

This is where the real saving is. Paid third-party Tally WhatsApp TDLs commonly cost ₹3,000 to ₹6,000 plus GST upfront, and some also charge a yearly panel renewal. On top of that you still pay for messages. Tally’s own “TallyPrime with WhatsApp” is a paid subscription service.

Put the upfront fee in message terms. ₹3,000 at ₹0.25 each is 3,000 / 0.25 = 12,000 WhatsApp invoices. ₹6,000 is 24,000 invoices. For the shop in our example sending about 670 messages a month, ₹3,000 is roughly 18 months of WhatsApp sending, before GST. With the free plugin, that money stays in your business.

For a side-by-side look at features as well as price, read the Tally WhatsApp TDL price comparison and our note on choosing a TDL for Tally to WhatsApp.

What ₹0.25 gets you

A low price is only useful if the message does the job. Each ₹0.25 message from the plugin gives you:

• The invoice PDF attached as a document inside an approved Meta template, so the customer opens it right in the chat.
• Official WhatsApp Business API delivery. No QR scan, no phone that needs to stay on, and no ban risk from WhatsApp Web automation. More on this in Tally to WhatsApp without QR.
• Your business name inside every message, even on the default sender.
• Delivery reports inside Tally and in your Fast2SMS panel, so you know which bills reached.

Tally templates use the utility category. The marketing rate (₹0.95) does not apply to them. If you want to understand how WhatsApp message types are priced in general, see WhatsApp session message pricing and the WhatsApp Business API India FAQ.

Failed messages: you do not pay for them

Some numbers in your ledgers will be wrong, old or not on WhatsApp. That is normal. WhatsApp messages are charged only on delivery, and failed messages are auto-refunded to your wallet within 48 hours. So a messy customer list does not waste your money, it only shows you which numbers to fix.

To fix them fast, use the plugin’s Update Mobile Numbers screen (Sundry Debtors) to correct numbers in bulk, or Import Mobile Numbers with the sample Excel file.

What about SMS?

The same plugin also sends SMS. SMS is billed at your DLT SMS rate from the same Fast2SMS wallet. SMS needs DLT registration (sender ID and templates), and because SMS cannot carry an attachment, the invoice PDF goes as a short link that opens in the browser.

Many businesses use WhatsApp for invoices and keep SMS only if they need it. WhatsApp needs no DLT at all. For SMS setup, read the Tally SMS plugin guide and Tally SMS DLT templates.

Test it free with ₹50 credit

Every new Fast2SMS account gets ₹50 of free test credit after signup. At ₹0.25 per WhatsApp message, that is 50 / 0.25 = about 200 WhatsApp invoices. That is enough to install the plugin, send bills to your own phone and a few real customers, and see the full flow before you add a single rupee.

Setup takes about ten minutes:

1. Download the .TCP file and load it in TallyPrime as a Local TDL, or upload it in your Tally.NET account as an Account TDL.
2. Press F1: Help > TDLs & Add-ons > F6: Add-On Features and set the WhatsApp module (and the SMS module if you want it) to Yes. Only the company administrator sees this option. A Fast2SMS.com menu appears on the Gateway of Tally.
3. Copy your API key from the Dev API section of fast2sms.com and paste it in the plugin’s API Key Update screen.
4. Enter the default phone number ID and message IDs, as shown below.

The full walkthrough with screenshots is in the main free Tally WhatsApp and SMS plugin guide.

Start in two minutes with the ready default templates

The default templates cost you nothing to use: no Meta approval, no own number, just the same ₹0.25 per delivered message.

You do not need your own WhatsApp Business number or any Meta approval to start. Fast2SMS gives 20 ready, pre-approved templates on a default sender. After you paste your API key, make two entries:

1. Tally to WhatsApp > WhatsApp API Settings: type 123456789 as the WABA Phone Number ID.
2. Tally to WhatsApp > WhatsApp Template Settings: enter the message IDs T101 to T120 exactly as in the table below.

Save, and WhatsApp sending is live from the Fast2SMS default sender. Your business name appears inside every message.

Upgrade to your own brand name

When you want invoices to arrive from your own business number, complete the Meta embedded signup from your Fast2SMS panel. Then press Add Templates to META Account in the plugin’s WhatsApp Template Settings, which sends all 20 templates to your own account for approval in one go. Once approved, replace 123456789 with your own phone number ID and T101 to T120 with your approved message IDs. The per-message price stays the same; the steps are in Tally WhatsApp templates Meta approval.

Sending thousands of invoices a month?

If you are a large distributor or run many branches and send very high volumes, talk to the Fast2SMS sales team on +91-6262778811 or [email protected]. Bulk sending from the sales register and bulk outstanding reminders are already built into the free plugin, so you do not need a bigger software package to handle volume.

Frequently asked questions

How much does it cost to send an invoice on WhatsApp from Tally?

With the free Fast2SMS plugin, sending an invoice on WhatsApp from Tally costs ₹0.25 per delivered message. The plugin itself is ₹0, and failed messages are refunded to your wallet within 48 hours.

What is the Tally WhatsApp plugin cost?

The Tally WhatsApp plugin from Fast2SMS costs nothing: no licence fee, no renewal, no setup charge and no monthly fee. You only pay per message from your own Fast2SMS wallet.

Is the Tally WhatsApp plugin really free?

Yes, the plugin is a free .TCP add-on for TallyPrime with no licence or renewal. You need a free Fast2SMS account for the API key, and you pay only for messages you send.

What is the Tally WhatsApp price for 100 invoices?

100 invoices on WhatsApp cost 100 x ₹0.25 = ₹25, if all are delivered. Any message that fails is not charged, because the amount is refunded to your wallet within 48 hours.

How much will 500 WhatsApp invoices a month cost?

500 WhatsApp invoices a month cost 500 x ₹0.25 = ₹125 per month. Over 12 months that is ₹1,500, with no plugin fee added at any point.

How much will 2,000 invoices a month cost?

2,000 invoices a month on WhatsApp cost ₹500 per month at ₹0.25 each. A distributor sending 5,000 a month would pay ₹1,250 per month.

Am I charged if the WhatsApp message fails?

No, WhatsApp messages are charged only when delivered, and failed messages are auto-refunded to your Fast2SMS wallet within 48 hours. A wrong or inactive number does not cost you money.

Is there a monthly fee or yearly renewal?

No, there is no monthly fee and no yearly renewal for the Fast2SMS Tally plugin. If you send no messages in a month, your cost for that month is zero.

How many invoices can I send with the ₹50 free credit?

The ₹50 free test credit covers about 200 WhatsApp invoices, because 50 / 0.25 = 200. That is enough to test the full flow with your own phone and a few customers.

Do receipts and reminders cost the same as invoices?

Yes, receipts, payment advice, outstanding reminders and ledger confirmations are all utility templates, so each one costs ₹0.25 when delivered, the same as an invoice.

Will I be charged the marketing rate for Tally messages?

No, Tally templates are utility messages at ₹0.25 each. The marketing rate of ₹0.95 is not used by the Tally templates in this plugin.

How does the free plugin compare with a paid Tally WhatsApp TDL?

Paid Tally WhatsApp TDLs commonly cost ₹3,000 to ₹6,000 plus GST upfront, and some add a yearly renewal, with messages charged on top. The Fast2SMS plugin is ₹0 upfront and has no renewal.

How many invoices does ₹3,000 buy at ₹0.25 each?

₹3,000 at ₹0.25 per message pays for 12,000 WhatsApp invoices, and ₹6,000 pays for 24,000. That is what a typical paid TDL fee could cover in messages instead.

Is Tally’s own WhatsApp feature free?

No, Tally’s “TallyPrime with WhatsApp” is a paid subscription service. The Fast2SMS plugin is a free alternative where you pay only the per-message rate from your wallet.

What does SMS cost from the same plugin?

SMS is billed at your DLT SMS rate from the same Fast2SMS wallet. SMS needs DLT registration for your sender ID and templates, and the invoice PDF goes as a short link.

Does WhatsApp need DLT registration?

No, WhatsApp needs no DLT registration. DLT applies only to SMS. On WhatsApp you can start with the ready default templates on the Fast2SMS default sender.

Do I have to pay for Meta template approval?

No, you pay nothing for templates, and you need no Meta approval to start, because the 20 default templates (T101 to T120) are ready and pre-approved. You pay only ₹0.25 per delivered message.

Does my own brand number cost more per message?

The per-message rate for Tally utility templates stays ₹0.25 when you move to your own number. The Meta embedded signup from the Fast2SMS panel is free with no monthly fee.

Does the price include the invoice PDF?

Yes, the invoice PDF is attached as a document inside the WhatsApp message, and the ₹0.25 covers that message. There is no separate charge for the attachment.

How do I check how much I have spent?

Your Fast2SMS wallet balance shows inside Tally after you enter the API key, and you can recharge from there. Delivery reports are in Tally and full logs are in your Fast2SMS panel.

How do I recharge my wallet?

You can recharge your Fast2SMS wallet from inside Tally through the plugin’s wallet screen, or from the Fast2SMS panel. Messages keep going as long as your wallet has balance.

Is there a cost to install the plugin?

No, installation is free. You can also book a free meeting and the Fast2SMS team will install the plugin with you on a screen share at no charge.

Can I get a better rate for very high volume?

For very high volumes, contact the Fast2SMS sales team on +91-6262778811 or [email protected]. They can discuss your monthly volume and needs directly with you.

Does bulk sending cost extra?

No, bulk sending from the sales register and bulk outstanding reminders are part of the free plugin. You pay the same ₹0.25 for each delivered message, whether sent one by one or in bulk.

Does auto-send on voucher creation cost extra?

No, auto-send on voucher creation or alteration is a free plugin feature, set per voucher type. Each auto-sent WhatsApp is charged like any other message, ₹0.25 when delivered.

Which Tally version is the free plugin for?

The free plugin is for TallyPrime. It loads as a .TCP add-on, either as a Local TDL or as an Account TDL through your Tally.NET account.

Start for ₹0 and see your real cost

The best cost calculator is your own first month. Download the free plugin, use the ₹50 credit for about 200 WhatsApp invoices, and watch the wallet inside Tally. You will know your exact Tally WhatsApp cost before you spend a rupee of your own.

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