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📣 Promotional SMS

Every Offer, Sale & Update Delivered at Scale

Send bulk promotional SMS for discounts, flash sales, festive offers and product launches that reach lakhs of customers in minutes. DLT compliant, budget-friendly pricing, REST API ready.

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95%+
Delivery Rate
10AM–9PM
TRAI Sending Window
Lakhs+
Messages Sent Daily
5,000+
Businesses Trust Nesark
Types of Promotional SMS
Offers & Discounts
Flash sales · Coupon codes
Product Launches
New arrivals · Announcements
Festive & Event Greetings
Seasonal · Occasion-based
Multi-Channel Campaigns

See How a Promotional Message Looks on Every Channel

Click any channel below to see exactly what your customer receives - and choose the best fit for your campaign.

9:41
▐▐▐ ◀ ●
Messages · NESARK
Flat 50% OFF sitewide!
Today only. Shop now:
nesark.in/sale
Reply STOP to opt-out
11:20 AM ✓
Channel 1 of 3

SMS Campaign

Widest reach in India — works on every mobile phone without internet. Sent within the TRAI-approved 10AM–9PM window to non-DND numbers.

✓
Works without internet
Reaches all mobile users across India
✓
DLT-approved templates
Pre-approved promotional message formats
✓
Built-in opt-out
Every message includes an unsubscribe option
Types of Promotional SMS

Every Marketing Message, Covered

If it's built to drive awareness, offers or engagement, it qualifies as promotional — and Nesark helps you send it at scale.

Offers & Discount Alerts
Flash sales, coupon codes, seasonal discounts — drive footfall and online orders instantly.
Product Launches
New arrivals, feature announcements and pre-booking alerts sent to your entire customer base.
Event & Webinar Invites
Launch events, webinars and workshops — send invites and reminders that boost turnout.
Festive & Seasonal Greetings
Diwali, New Year, Eid and other occasion-based campaigns that keep your brand top of mind.
Loyalty & Rewards Updates
Points earned, membership tier upgrades and exclusive reward offers for repeat customers.
Feedback & Survey Requests
Post-purchase feedback links, NPS surveys and review requests sent right after an interaction.
Why Promotional SMS

Built for Reach, Offers & Engagement

Promotional SMS is the most cost-effective way to put an offer in front of your entire customer base. It's sent within TRAI-approved hours and respects DND preferences, so every campaign stays compliant.

Massive Reach, Low Cost
Send to lakhs of numbers at industry-competitive per-message pricing.
Respects DND Preferences
Delivered only to non-DND numbers or customers who've opted in for marketing.
DLT-Approved Templates
Pre-approved promotional templates for offers, sales and announcements.
Real-Time Campaign Reports
Track sent, delivered and failed status for every campaign via dashboard or webhook.
Promotional vs. Transactional SMS
10AM–9PM
Promotional SMS sending window — TRAI regulated hours
Promotional SMS (10 AM–9 PM, no DND)11 hrs
Transactional SMS (24×7, incl. DND)24 hrs
Typical SMS Open Rate90%+
✓ DLT Registered ✓ Opt-Out Enabled ✓ TRAI Compliant
Ready to Launch Your First Campaign?

Send your first offer or announcement in minutes — free credits to get started, no setup fees.

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Developer Friendly

Launch Promotional Campaigns
From Your Backend

Schedule bulk promotional SMS for offers, sales and announcements — via dashboard or a single REST API call.

REST API with JSON response
PHP, Python, Node.js, Java SDKs available
Scheduled & recurring campaign support
Sandbox environment for testing
View API Documentation →
Payload
cURL
// Request { "sender": "NESARK", "to": "91XXXXXXXXXX", "text": "Flat 50% OFF sitewide! Today only. Shop now: nesark.in/sale", "type": "PROMO" } // Response { "id": "58d63c02-XXXX-XXXX-XXXX", "totalCount": 1, "message": "Message Sent Successfully!", "error": null }
How It Works

From Campaign to Inbox in Minutes

Set it up once — schedule offers, sales and announcements to go out automatically within approved hours.

STEP 01
Create Your Campaign
Upload your contact list or import from your CRM, then add your promotional message.
STEP 02
Choose Your Send Window
Send now or schedule later — always within the TRAI-approved 10AM–9PM window.
STEP 03
Nesark Delivers It
Routed through DLT-approved templates to non-DND numbers, within the compliant window.
STEP 04
You Track the Results
See delivered/failed and click status live via dashboard or your own webhook endpoint.
Use Cases

Where Businesses Rely on Promotional SMS

Any business running offers, sales or campaigns depends on promotional SMS to reach customers at scale.

E-Commerce & Retail
Flash sales, discount codes, festive offers and cart-abandonment nudges.
Real Estate
New project launches, site-visit invites and limited-period booking offers.
Education
Admission drives, course announcements and webinar or open-day invites.
Travel & Hospitality
Seasonal packages, flash deals and early-bird booking offers.
Local Businesses & Restaurants
Daily specials, festive offers and loyalty rewards for repeat customers.
Events & Entertainment
Ticket sales, event announcements and early-bird pricing campaigns.
FAQ

Common Questions About Promotional SMS

Everything you need to know before launching your first campaign.

Promotional SMS is used to send marketing and advertising messages — such as offers, discounts, sales, product launches and event invites. It's sent only between 10AM–9PM and is blocked on DND-registered numbers.

Promotional SMS is used for marketing, is blocked on DND numbers, and can only be sent between 10AM–9PM. Transactional SMS is sent 24×7, bypasses DND restrictions and is delivered within seconds via priority routes. Offers, discounts and campaigns must always use the Promotional route.

Yes. As per TRAI regulations, all promotional SMS senders and templates must be registered on the DLT platform before sending. Nesark assists with the entire registration process free of charge.

No. Promotional SMS is blocked on DND-registered numbers unless the customer has explicitly opted in to receive marketing messages from your brand.

TRAI regulations permit promotional SMS to be sent only between 10AM and 9PM. Nesark's platform automatically queues and releases campaigns within this approved window.

No. Credits purchased on Nesark do not expire and can be used for promotional SMS at any time.

Turn Every Campaign Into More Sales

Start sending promotional SMS today - free trial credits, no setup fee, no contracts.

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