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Transactional SMS service in India

Transactional SMS is how you tell your own customer something they are waiting to hear — the order is confirmed, the payment went through, the delivery is out, the appointment is tomorrow. Because it is service information, it reaches DND numbers at any hour.

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Delivered to DND24×7 window6-character sender IDVariable templatesWebhook delivery reports
OverviewHow it worksComparePricingUse casesFAQ
✉Transactional SMS

Service messages that reach the customer, DND or not.

The test of a transactional route is boring: did the payment alert at 11 PM land. It is not a campaign channel, so it is not judged on open rates or creative — it is judged on whether the message your software fired actually arrived, and whether your database found out what happened to it. That is why transactional traffic runs on a high-priority lane with a delivery report pushed back per number rather than a summary in a dashboard.

Under TRAI's DLT rules this is the category that earns the right to reach DND numbers around the clock, which is exactly why the template wording matters. A template that reads like marketing gets filed in the wrong category and loses that right. We draft the wording with you before it goes to the operator portal, which is the single thing that most often stops a business being blocked later.

  • Delivered 24×7, DND included — a payment alert at 11 PM still lands.
  • Registered sender ID so your brand name shows at the top of the thread instead of a number.
  • Variable templates — drop in name, order number, amount, tracking link and date.
  • Per-number delivery reports pushed to your system by webhook in real time.
  • Triggered from your software — API, Excel upload, Shopify, WooCommerce or Tally.
Get free test creditsSee the rate card
How it works

From enquiry to first message, usually the same day.

Register the header and templates

One six-character sender ID, then a template per message type. We draft the wording and pick the DLT category with you — this is the step that decides whether you reach DND numbers.

Connect your software

The REST API, a plugin for Shopify, WooCommerce or Magento, or a plain Excel upload for teams without a developer. Most are live inside an hour.

Send with variables filled

Your template stays fixed and approved; the name, order number, amount and tracking link are substituted per recipient at send time.

Reconcile from the webhook

Delivered, failed or expired comes back per number, so your own order record knows whether the customer was actually told.

Side by side

Transactional, OTP and promotional — the difference that matters

Transactional, OTP and promotional — the difference that matters
What mattersTransactionalOTPPromotional
What it carriesService updates to your own customersLogin and verification codesOffers, sales and marketing
Reaches DND numbersYesYesNo — scrubbed out
Time window24×724×79 AM – 9 PM
Route priorityHighHighestStandard, load balanced
DLT template categoryService implicit / explicitService implicitPromotional
Starts from₹0.14₹0.16₹0.14

Most businesses end up buying two of the three. Rates shown are the lowest slab, excluding GST.

Pricing

What it costs, written down.

Rates are quoted excluding GST; the amount you actually pay includes 18% GST and is worked out for you in the table. No setup fee, and a GST invoice for everything.

Transactional SMS pricing
VolumeRate per SMS (ex GST)Base amount You pay (incl. 18% GST)Validity
5,000 SMS₹0.27₹1,350₹1,5931 year
10,000 SMS₹0.25₹2,500₹2,9501 year
25,000 SMS₹0.24₹6,000₹7,0801 year
50,000 SMS₹0.19₹9,500₹11,2101 year
1 Lakh SMS₹0.17₹17,000₹20,0601 year
2 Lakh SMS₹0.17₹34,000₹40,1201 year
5 Lakh SMS₹0.15₹75,000₹88,5001 year
10 Lakh SMS₹0.14₹1,40,000₹1,65,2001 year

Delivered to DND numbers, 24×7. Best for order, payment and appointment alerts.

Full slab table, GST working and every other service rate on the transactional sms price — or see the complete price list.

Where it is used

The jobs it actually gets hired for.

📦Order and delivery

The alerts that stop the customer phoning your support line to ask where the parcel is.

  • Order and COD confirmation
  • Dispatch and out-for-delivery
  • Delivered and return updates

💰Payments and finance

Receipts and reminders that must arrive whether or not the number is on DND.

  • Payment received receipts
  • EMI and due-date reminders
  • Refund and failed-payment alerts

📅Appointments and records

Reminders that cut no-shows, and the ready alerts that cut the follow-up calls.

  • Appointment confirmation
  • Report or document ready
  • Renewal and expiry notices
☛

Where businesses actually get blocked

Nine times out of ten it is not the route — it is a template filed in the wrong DLT category, or a variable in a position the operator will not accept. Send us your message drafts on WhatsApp before you file them and we will shape them so they pass the first time, at no charge.

Often taken together

Related services.

🔒

OTP SMS

Priority lane, sub-5-second

Learn more →
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Bulk SMS API

REST, SMPP, webhooks, plugins

Learn more →
📢

Promotional SMS

DND-scrubbed bulk campaigns

Learn more →
FAQ

Transactional SMS, answered.

What is transactional SMS and how is it different from promotional?

Transactional SMS carries service information to a customer you already have — an order update, a payment receipt, an appointment reminder. Promotional SMS carries marketing to a list. The practical difference is that transactional reaches DND numbers 24x7, while promotional is scrubbed against the DND registry and restricted to 9 AM to 9 PM.

Will transactional SMS reach a customer who is on DND?

Yes, provided the template is registered under the correct Service Implicit or Service Explicit category on the DLT portal. The category is decided at registration, not at send time, which is why we draft the template wording with you before filing it.

Can I put the customer's name and order number in the message?

Yes. A DLT template allows variable placeholders, so one approved template serves every customer with the name, order number, amount, date and tracking link substituted at send time. Operators do limit how many variables a template may carry and where they may sit, which we check for you.

How do I know whether the SMS was delivered?

A delivery report comes back per number, pushed to your endpoint by webhook in real time and also visible in the panel. That matters for reconciliation: your own order record should know whether the customer was actually informed, not just that you tried.

Can transactional SMS be sent from Shopify or Tally?

Yes. Shopify, WooCommerce, Magento and Zapier connect with a plugin and no code. Tally and custom CRMs connect over the REST API. Teams with no developer at all upload an Excel sheet in the panel instead.

Enquiry & quote

Tell us what you need. We reply the same day.

Send your requirement and our team will set up a free test account with live credits, help you file your DLT header and templates, and share a written quote.

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