Background

SerriSMS · Universal Messaging

Instant impact. Anywhere on Earth.

No app, no data, no internet required. SerriSMS lands right in their inbox across 195 countries, opened in minutes, even when they're offline. Simple, direct, and impossible to ignore.

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195 countries · 98% open rate in 3 min · Works without internet

TRUSTED BY

Trusted by 100+ businesses whose messages absolutely have to land.

Trusted by 100+ businesses whose messages absolutely have to land.

IMPACT

IMPACT

98% open rate within 3 minutes

98% open rate within 3 minutes

98% open rate within 3 minutes

195 countries

195 countries

4X more likely to respond than email

4X more likely to respond than email

4X more likely to respond than email

value props

The channel that always gets through.

Reaches every single phone. No app, no data, no exceptions. If they have a phone, you can reach them, in 195 countries.

Reaches every single phone. No app, no data, no exceptions. If they have a phone, you can reach them, in 195 countries.

Read in minutes, not days. 98% of texts are opened within three minutes. Nothing else comes close.

Read in minutes, not days. 98% of texts are opened within three minutes. Nothing else comes close.

Read in minutes, not days. 98% of texts are opened within three minutes. Nothing else comes close.

Made for the messages that matter. OTPs, alerts, and urgent updates that simply cannot wait, or fail.

Made for the messages that matter. OTPs, alerts, and urgent updates that simply cannot wait, or fail.

Made for the messages that matter. OTPs, alerts, and urgent updates that simply cannot wait, or fail.

CAPABILITIES

When it absolutely has to land.

When it absolutely has to land.

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Verify

One-time codes delivered in seconds, anywhere in the world.

01

Verify

One-time codes delivered in seconds, anywhere in the world.

01

Alert

Transaction and delivery updates the instant something changes.

02

Promote

Time-sensitive offers that get read while they still matter.

03

Promote

Time-sensitive offers that get read while they still matter.

03

Remind

Appointments, payments, and bookings, confirmed in a single text.

04

Remind

Appointments, payments, and bookings, confirmed in a single text.

04

Remind

Appointments, payments, and bookings, confirmed in a single text.

04

How it works?

Live in 3 simple steps.

Live in 3 simple steps.

01

Import or connect.

Upload your contacts or plug in your tools.

Import or connect.

Upload your contacts or plug in your tools.

02

Write your message.

Personalise it with merge fields in seconds.

03

Send worldwide.

Deliver across 195 countries and watch it land in real time.

BEFORE / AFTER

The difference is impossible to ignore.

Without RCS

Messages stuck behind apps and data, missed by everyone who's offline.

Without RCS

Messages stuck behind apps and data, missed by everyone who's offline.

With SerriRCS

The one channel that reaches every phone on the planet, opened in minutes.

With SerriRCS

The one channel that reaches every phone on the planet, opened in minutes.

BEST FOR

The difference is impossible to ignore.

Finance

Finance sending OTPs and alerts.

Logistics

Logistics keeping tracking live.

E-commerce

E-commerce that wants product drops to pop.

Healthcare

Healthcare that runs on reminders

INTEGRATIONS

Trigger SMS from your stack through Pabbly and 1,000+ apps.

Pabbly

Pabbly

1000+
APPS

1000+ APPS

1000+ APPS

Testimonial

Trusted by teams that think in systems

Cameron-Lee Roberts

Founder & CEO, YP Club

"Serri has been a game-changer for how we manage leads. They built a bespoke automation at a fair price so none slipped through, and the ROI has been incredible."

Cameron-Lee Roberts

Founder & CEO, YP Club

"Serri has been a game-changer for how we manage leads. They built a bespoke automation at a fair price so none slipped through, and the ROI has been incredible."

The message that never bounces.

Start free

Book a demo

The message that never bounces.

Start free

Book a demo

Questions and Answers

Frequently asked questions

When should I use SMS over WhatsApp or RCS?

Does SerriSMS work internationally?

How fast does SMS get delivered?

Is SMS good for transactional messages?

Questions and Answers

Frequently asked questions

When should I use SMS over WhatsApp or RCS?

Does SerriSMS work internationally?

How fast does SMS get delivered?

Is SMS good for transactional messages?

Questions and Answers

Frequently asked questions

When should I use SMS over WhatsApp or RCS?

Does SerriSMS work internationally?

How fast does SMS get delivered?

Is SMS good for transactional messages?