Esendex business messaging:
instant reach, lasting connections
Deliver your message without delays. Open a direct customer communication channel with our powerful text messaging API for SMS and MMS, seamlessly sent via 10DLC, toll-free, and shortcode numbers.
With over 20 years of experience, transparent pricing, and hands-on guidance speeding up the process, we connect you with your customers in no time. Our team provides support every step of the way, from navigating registration and selecting the right number type to crafting an effective campaign strategy.
Send exciting promotions, timely updates, responsive assistance, and more—straight to your customers' phones.
Growing with 46,000 businesses and counting
Reach customers in seconds— we’re on it
Keep the conversation flowing naturally. Connect wtih your audience directly and effectively with our SMS and MMS API, supported by data verification and voice services.
SMS and MMS
Connect with anyone, anywhere in seconds—grow your outreach through Short Message Service and Multimedia Messaging Service.
With a memorable number that supports both text messaging and calling, you engage customers through cost-effective, two-way conversations. Ideal for building brand loyalty, toll-free numbers are registered to your brand, and our expert guidance makes the registration process a breeze.
Send SMS and MMS messages through standard 10-digit numbers, or you can even use your existing landline number. Our success team guides you through the 10DLC registration process to help you get approved on the first try. Once registered, you can quickly purchase your number and start sending messages.
Perfect for businesses aiming to boost regional engagement, 10DLC numbers are a cost-effective alternative to short codes. Fully compliant with US messaging guidelines, they ensure secure, timely delivery.
Increase brand visibility with customizable 5-6 digit numbers that support high-volume messaging. We simplify the process of acquiring a US or Canadian short code, offering 1:1 guidance from application to launching your first campaign.
Voice API
Easily make and manage phone calls and establish an automated response flow for inbound calls.
US Phone Verification
Amplify campaigns and cut costs by standardizing and verifying phone numbers.
US Postal Address Verification
Guarantee package or mail delivery to your recipients, saving resources and avoiding failed attempts.
Ready. Send. Grow.
As a leader in the SMS space, we continually innovate solutions that drive business growth—delivering over 5 billion messages a year.
Faster Notifications
It takes less than a second to deliver an SMS, and about 90 seconds for your customer to open it. Maximize this channel—send important info, prompts, and reminders that’ll surely be seen.
Level up even further with eye-catching images or videos to encourage action and leave a lasting impression.
Seamless Support
Say goodbye to queues, tickets, and frustrations. Deliver quick and efficient customer support with smart solutions—from automated messages to chatbots with seamless live-agent escalation.
Conversational Marketing
Get up close and personal with marketing offers and alerts literally at the palm of your customers’ hands.
Go beyond one-sided conversations and create immersive experiences using two-way chat, rich media, personalization, and more.
Frictionless Fulfillment
Buying becomes as easy as 1, 2, 3. Simplify payments, offer conversational support, and send timely sales or product offers to create an enjoyable experience for your customers.
Messages that matter
Alerts and notifications
Reminders
Marketing promotions
Internal communications
Multi-factor authentication
Surveys and feedback
Connecting 10,000+ businesses across industries
Trusted by leaders in education, financial services, retail, and other major sectors, our seamless text messaging solutions—backed by expert guidance—boost engagement, streamline operations, and enhance customer experiences.
SMS and MMS messages sent annually
message delivery reliability rate
reduction in fraudulent activities with secure messaging
countries reached with SMS and MMS solutions
Partner with a trusted leader in US business communications
20+ years of experience
With extensive industry experience, we’re always ready to support you. We offer developer-friendly APIs for effective and scalable mobile messaging.
Flexible, scalable options
Implement effortless and effective messaging with our best-in-class SMS API that seamlessly integrates with all existing tech stacks.
Partnerships with major networks
Connect with confidence through high-quality routes that ensure your messages are delivered and seen—no middlemen, just direct aggregator access.
Industry-leading support
We empower businesses to transform their communications and achieve their goals. Our local support team offers expert technical, operational, and compliance guidance.
Proven compliance expertise
With global resilient routing, regulatory compliance, and in-country expertise, businesses trust us—whether for strategic, technical, channel expertise, or all three, you’re in good hands.
Level up your messaging game
Explore expert resources to discover how text messaging can improve your communications.
What our clients say
COO & Founder, Mudshare
Co-Founder, Curbside Laundries
Let’s get your business buzzing
Spark customer connections in minutes. Discover the full power of our mobile messaging platform—no hidden fees, just real results.