98%
SMS open rate
vs 22% email
28%
Avg. CTR
across all campaigns
14×
Average ROI
verified from client accounts
< 3s
Delivery speed
promotional route
Live Campaign Performance - Diwali Flash Sale
84,000
Sent
83,411
Delivered
589
Failed
81,742
Opened
26,140
Clicked
7,842
Converted
Revenue Attributed
₹48,24,000
↑ 14.5× ROI
Campaign Message Preview
Diwali Dhamaka! 🎉 Extra 40% off EVERYTHING - TODAY only! Code: DIWALI40. Shop now: bit.ly/diwali40 | Reply STOP to opt out -SHOPNOW
Promotional SMS is not a substitute for email marketing - it is the channel that works when email's 22% open rate is not sufficient. When a flash sale has a 4-hour window, a 22% open rate means 78% of the intended audience never sees the offer. When the same offer goes via SMS, 98% of recipients open the message within 3 minutes. For time-sensitive promotions, SMS is not an alternative - it is the only channel that reaches the audience in the window that matters.
Effective promotional SMS is not bulk messaging - it is precision messaging. The right offer, to the right segment, at the right time, with the right link. A flash sale sent to a customer who bought yesterday is noise. The same message sent to a customer who browsed without buying 48 hours ago is a conversion. The segmentation is the campaign.
Six Promotional SMS Campaign Types - Click Each
Flash Sale Campaigns
Time-limited discount offers - 4-hour, 12-hour, and 24-hour flash sales - are broadcast to opted-in customer lists with urgency-triggering copy, a single CTA, and a tracked short link for conversion measurement.
Sample SMS
FLASH SALE 🔥 Extra 40% off EVERYTHING for 6 hrs only! Use code FLASH40. Shop: bit.ly/flash40 | Opt-out: STOP -CASYUG
Festival & Seasonal Campaigns
Loyalty & Retention Campaigns
Product Launch Announcements
Abandoned Cart Recovery
Referral & Viral Campaigns
The six metrics below are benchmarked from 320 million+ promotional SMS messages delivered across 1,200+ campaigns. Every campaign performance is measured against these benchmarks - and campaigns falling below them are reviewed for segmentation, timing, or copy issues before the next send.
Delivery Rate
Target: > 97%
Percentage of messages that reach the recipient's handset - affected by list quality, DLT compliance, and operator route.
Open Rate
Target: 95–98%
SMS is opened almost universally - a low open rate indicates messages may be arriving in spam folders (DLT header issue) or at the wrong time of day.
Click-Through Rate
Target: 18–38%
Percentage of recipients who click the tracked short link - the primary measure of message relevance and offer attractiveness. Varies significantly by campaign type.
Conversion Rate
Target: 6–12%
Percentage of total SMS recipients who complete the intended action (purchase, booking, sign-up) - the revenue metric that justifies the campaign spend.
Cost per Conversion
Target: < ₹180
Total campaign cost divided by number of conversions - must be significantly lower than the average order value to justify the campaign.
Campaign ROI
Target: 10–20×
Revenue attributed to the campaign divided by campaign cost - the ultimate measure of promotional SMS as a business investment, not a marketing tactic.
No promotional SMS campaign is sent to the full list without segmentation. Every campaign begins with audience definition - recency, frequency, monetary value, category preference, and geographic segment - because a message to the wrong audience is a cost, not a reach.
Every campaign includes at least two creative variants - different opening lines, different urgency framings, different CTAs - tested on a 20% sub-sample before the winning variant is broadcast to the full list.
Every SMS campaign is attributed to revenue - with tracked short links, UTM parameters, and platform integration (Shopify, WooCommerce, custom) providing direct revenue-per-send reporting, not just click metrics.
Send time is determined by the audience's historical open behaviour - not by a generic 'best time' guide. Every list is analysed for peak engagement windows before the first send of a new campaign.
Every promotional SMS carries a registered DLT sender header, a TRAI-compliant opt-out instruction, and is sent exclusively to opted-in contacts - protecting the client from regulatory risk and maintaining list quality.
A post-campaign report is delivered within 48 hours of each campaign - covering delivery rate, open rate, CTR, revenue attributed, cost per conversion, and recommendations for the next campaign.
ShopNest - Diwali SMS Campaign Generating ₹84L Revenue from ₹5.8L Spend
ShopNest's previous Diwali email campaign had achieved a 14% open rate and 2.1% click-through rate - below the category average for email marketing. The brand's customer base was predominantly mobile-first with 74% opening emails on mobile, but only 38% of emails were rendering correctly on the devices where they were being opened. The channel mismatch between the audience's preferred communication method (WhatsApp and SMS, according to customer surveys) and the brand's primary campaign channel (email) was identified as the primary conversion barrier.
A three-send SMS campaign was designed with a segment-first strategy: the preview send was restricted to the top 20% of customers by purchase frequency - 16,800 contacts - framed as early-access for loyal customers, with an exclusive code before the general offer launched. The main campaign send went to the full opted-in list of 84,000 with the full promotional offer. The last-chance send on the day before Diwali went exclusively to the 51,000 contacts who had opened the preview or main send but not converted - with a stronger incentive (free delivery added to the existing discount).
Outcomes - Verified from Client Analytics
₹84L
Revenue - 3 sends, 7 days
14.5×
Campaign ROI
31%
Average CTR across 3 sends
₹5.8L
Total campaign spend
Tools Used
"Our Diwali email campaign was generating a 2.1% click-through rate. The SMS campaign generated 31%. Same audience, same offer, different channel. The segment strategy made the difference - loyal customers got early access and felt special. Non-converters got free delivery and felt they were getting something extra. The three-send structure meant we never sent an irrelevant message to someone who had already bought. ₹84 lakhs from ₹5.8 lakhs of spend in seven days."
Deepika Nair
Head of Marketing, ShopNest
Five phases - from audience definition to post-campaign analytics. The audience is defined before the message is written. The message is tested before it is broadcast.
01
The campaign audience is defined - list source, segmentation criteria, opt-in verification, recency filter, and exclusion rules - before any message is written.
02
The campaign objective, offer mechanics, message copy, CTA, short link, and opt-out instruction are produced - with A/B variants of the opening line and CTA for split testing.
03
The campaign message template is submitted to the DLT platform for approval under the appropriate content category - typically 2–5 days before the send date.
04
A test send to 5–10 internal numbers is conducted - verifying message rendering, short link function, opt-out behaviour, and template match - before client sign-off.
05
The approved campaign is delivered to the segmented list on the agreed send time. A delivery and performance report is shared within 48 hours - with revenue attribution and next-campaign recommendations.
Five promotional SMS timing scenarios are documented below - with the optimal send windows, segmentation strategy, peak open times, and ROI benchmarks for each. Timing is not a detail; it is half of the campaign.
Optimal Send Schedule
T−7: Announce the campaign and early-access offer
T−3: Main offer broadcast to full list
T−1: Last chance reminder with urgency
Day-of: Final hours - highest conversion window
Segment Strategy
Past Diwali buyers first (highest intent), then full opted-in list. Regional language variants for Tamil Nadu (Tamil), Karnataka (Kannada), Maharashtra (Marathi).
⚠ Avoid Sending
Do not send on the exact Diwali evening - audiences are celebrating, not shopping. The purchase window is in the 3 days before.
A free promotional SMS campaign consultation is available. Your opted-in list, campaign objective, offer mechanics, and timing will be reviewed - and a recommended campaign plan with projected ROI will be delivered within 24 hours.
Free consultation · Campaign plan in 24 hours · DLT registration managed · TRAI compliant · ROI reported
