CHANNELS
Impactful business SMS messaging
Reach customers in seconds with text message alerts, reminders and campaigns
Strengthen the connection between you and your customers! Esendex’s intuitive features ensure that each SMS you send is as impactful & engaging as possible, without technical complexity.
Why use Esendex for business SMS messaging?
Fast, Secure & Reliable Delivery
Esendex only connects directly to all major mobile networks, sending messages through the fastest and highest quality routes available, meaning 90% of messages are processed within 5 seconds.
Personalisation at Scale
Esendex gives you the intuitive tools to send SMS at scale without losing that personal connection! Multiple dynamic fields can be populated with your own customised data, and character count can be reduced with short URL links, so you have the space for more personalised content.
Priority Sending
Send faster when it matters the most! Message prioritisation automatically boosts the send speed of your time-sensitive texts like authentication or customer support messages.
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Explore our most popular SMS features
MASS TEXTING
Bulk SMS
Reach your customers instantly with time-sensitive updates and offers that are guaranteed to be seen and acted upon, driving service standards, immediate traffic and revenue.
BRAND & PERSONALISE
SMS landing pages
Maximise conversions and boost engagement with branded, high-impact landing pages designed to be sent via SMS.
AUTOMATE MESSAGING
SMS Automations
Manage customer expectations, extend support outside of office hours and escalate critical messages immediately! Set up automated “set-and-forget triggers” that keep customers and internal teams informed, saving you time and eliminating manual admin.
CUSTOMER SERVICE
SMS chat
Provide an easy way for your customers to effortlessly connect with you, without having to download an app or create a login. They simply use the SMS app that is on all mobile phones.
STREAMLINE TOOLS
Email to SMS
Supercharge your email! Esendex Email-to-SMS enables you to send SMS from the comfort of your existing email. Enjoy the convenience of using the email platform you are used to, without the need to log into any additional software.
INTEGRATE SMS
SMS API
Integrate SMS into your existing systems with our flexible, developer-friendly API. Quick to set up with clear documentation and support.
SEND ONLINE
Online platform
Take total control of your mobile strategy with our intuitive web-based platform. Fast to set up, simple to use, and ready to scale with your business.
SMART AND SIMPLE
SMS Short Codes
Build brand recognition and boost response rates by using memorable five-digit numbers for promotions, surveys, or customer replies. Ideal for high-volume two-way messaging and brand recall.
INTEGRATE SMS
SMS Gateway
Experience peace of mind with enterprise-grade reliability and high-speed routing that ensures your alerts, codes, and notifications reach their destination on time, every time.
A better SMS experience for your customer
Remind customers so they never miss a thing
Whether it’s for deliveries, house viewings, payments, doctors’ appointments or reservations, 88% of consumers rely on automated SMS reminders and confirmations to receive important details when they need them most.
- Reduce booking & appointment no-shows through automated reminders
- Send highly personalised confirmations to improve customer engagement and loyalty, using your own customised data to populate dynamic fields.
- Reduce churn & increase revenue with scheduled and timely reminders – e.g. payment collections, medication reminders & subscription renewals.
Send personalised marketing campaigns & make your budget go further
SMS cuts through busy inboxes and with open rates up to 98%, it’s almost guaranteed to be seen. Enhance your promotions, events and campaigns by getting in front of customers at the right time.
- Use dynamic fields and customised data to create highly personalised marketing messages that capture customer attention
- Send transactional, marketing, or service type messages to inform customers of upcoming sales and promotions
- Introduce short URLs to reduce character count, so you can include more personalised content and make your budget go further.
Capture feedback to improve relationships
Send short and engaging SMS surveys after key interactions to improve products, services, and customer experience.
- Follow-up with a customer following a successful purchase or recent delivery
- Respond to enquiries quickly or send automated communication so the customer knows when to expect a response
- Improve customer service with quick turnaround support responses.
Minimise wait times and solve problems fast
Esendex’s direct network connections and online portal mean you can quickly, reliably, and securely communicate with prospects.
- Hold multiple conversations in real time through our online conversation portal
- Use SMS message templates to answer common FAQs quickly and consistently
- Message prioritisation automatically boosts the send speed of your time-sensitive texts
“We’ve seen a big uptick in our numbers, but more importantly, we’re also providing better services and tools to our customers.”
Gareth Hall – Senior Collections Manager, Debt Managers
Esendex, your reliable business messaging partner
Trusted by thousands of businesses, Esendex delivers the scale, experience, and support needed to power reliable SMS communication at every stage of the customer journey.
20+ years experience
We’ve been helping businesses send text messages to customers for over two decades. Our team brings in-depth knowledge and technical expertise to every solution we deliver..
46,000+ customers
Organisations of all types and sizes trust Esendex to power their communications. From fast-moving retailers to highly regulated sectors, we support a wide range of messaging needs.
5B+ messages per year
Our platform is built for high performance at scale. Every year, we deliver billions of SMS messages with the speed, security and reliability our customers rely on.
Security and compliance
We’re ISO 27001 certified and fully GDPR compliant. From data protection to message delivery, security is at the core of everything we do.
Global reach
Send messages worldwide with confidence. Our direct carrier connections and in-country knowledge ensure reliable delivery across borders.
Flexible integration
Use our intuitive web platform or connect via API. Whether you’re sending one-off messages or building complex automations, we give you the flexibility to work your way.
Make your budget go further!
At Esendex we know how important it is to deliver an impactful message at the right time, but equally it’s about making your budget work as hard as possible.
Character counter
Displays the number of characters & message parts used, so you can adjust your content to help minimise messaging costs.
Reduce character count
Short URL links reduce character count, so you use fewer message parts.
Preview your messages
Be confident your messages will look as intended on customers’ mobiles and get it right first time.
Reporting of fail sends
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Let’s start sending, together.
Discover the full power of our mobile messaging platform.
Messaging solutions for your sector
From customer updates to appointment reminders, our powerful messaging platform is helping businesses across sectors communicate more effectively. See how it’s making an impact in businesses like yours:
Send order confirmations, delivery updates, and time-sensitive offers that customers actually see.
With open rates up to 98%, SMS helps retailers cut through the noise and drive real results — from cart recovery to loyalty program engagement.
Deliver secure, time-critical messages like fraud alerts, one-time passwords, and appointment reminders.
SMS supports compliance needs while helping reduce missed communications and inbound call volume.
Reduce no-shows and improve patient satisfaction with automated appointment reminders, test result notifications, and care follow-ups.
SMS helps healthcare providers reach patients quickly and respectfully.
Built by developers, for developers. Integrate our APIs for simple, real-time communication
Use our API documentation to integrate Esendex’ services into your systems within minutes. Here’s how to send an SMS:
// The POST v1/messages endpoint allows you to send a message to a single contact in one request.
// The message can also be sent via different channels; including SMS, Whatsapp and RCS.
curl -X POST 'https://api.esendex.co.uk/v2/messages' -H 'X-Api-Key: {{your-key-here}}' -H 'Content-Type: application/json' -d
{
"accountReference": "EXxxxxxxxx",
"name": "name",
"characterSet": "characterSet",
"channel": "channel",
"from": "from",
"validity": "2025-07-30T09:38:04.4517739+00:00",
"messageType": "messageType",
"body": {
"text": "text",
"templateId": "templateId"
},
"recipients": [
{
"msisdn": "msisdn",
"variables": {},
"metaData": {}
}
],
"addressBook": {
"contacts": [
{
"id": "id"
}
]
},
"metaData": {}
}No commitment, 30 day free trial
Begin your journey by opening a free Esendex account today and get 100 SMS credits.
Ready? Set? Go!
Learn how to get your service up and running with our simple quickstart guides.
Let’s start sending, together.
Discover the full power of our mobile messaging platform.
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