Finally, Enterprise Messaging, Robust APIs, 10DLC and Shortcode Expertise in one solution.

Our SMS and API delivers messages in seconds, backed by 20+ years of expertise and real humans who make sure every campaign runs smoothly.

Growing with 46,000 businesses and counting

API-First Simplicity & Human Support at Developer Speed

Esendex offers clean, well-documented APIs for developers to launch and scale, along with responsive, knowledgeable assistance that keeps pace with your roadmap.

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.  

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.
Mission-Critical Messaging APIs. Strategic Business Results.
Engineered for developers who demand reliability, and trusted by product leaders who require results. We deliver on both. Stop compromising between a powerful API and a strategic partner.

Engineered for Reliability

Your notifications are mission-critical. Whether it’s a two-factor authentication code, a fraud alert, or a time-sensitive delivery update, failure isn’t an option.

Our platform is built for the scale and resilience your application demands, ensuring your messages get through instantly, every time. Protect your revenue and your reputation with an API you can trust.

Human Expertise,
Reimagined For Your Roadmap

Stop waiting for answers. Our support is designed for the speed of modern development. When you have a question, you get a real human who speaks your language—not just a ticket number.

For business leaders, our hands-on compliance experts demystify the 10DLC registration process, ensuring your campaigns launch on time and your messages deliver.

Launch Faster.
Drive Real Engagement.

Your roadmap shouldn’t be held hostage by a complex communications API. We provide clean, well-documented APIs and SDKs that let your team integrate rich, two-way messaging in a fraction of the time.

Focus on building incredible user experiences that drive conversion and loyalty, not on fighting with your integration.

Escape Short Code
Provisioning & 10dHELLc

Don’t let complex carrier registration derail your
roadmap. Whether you’re navigating 10DLC registration or the Short Code provisioning process, our hands-on compliance experts turn the industry’s biggest headaches into a simple, guided process that gets your applications approved and your messages
delivered. We provide the strategic guidance to navigate the maze of 10DLC and Short Codes, so you can focus on building—not bureaucracy—and ship on time.

What our clients say

30% increase in revenue

I’m a relationship person, and everything we do hinges on that. Our relationship with Esendex goes back over twenty years and is about more than the technology they offer or pricing. I look for partners who are receptive to our ideas and can respond and adapt quickly to changes in the market.
David Cerrone

COO & Founder, Mudshare

Increased engagement by 59%

“Esendex has been an invaluable partner to us. With a robust platform, high deliverability rates, compliance expertise and reliable support, the Esendex team has been key to our competitiveness in an increasingly complex space.”
Greg Schreiber

CEO, Vaspian

Curbside laundries logo

18% Increase in customer payments

Streamlining processes, simplifying customer orders, managing payments, tracking orders and sending timely customer communications is critical to improving operational efficiency and enhancing customer care. The Esendex solution is now a key element of our technical solution.
Matthew Simmons

Co-Founder, Curbside Laundries

30% increase in revenue

I’m a relationship person, and everything we do hinges on that. Our relationship with Esendex goes back over twenty years and is about more than the technology they offer or pricing. I look for partners who are receptive to our ideas and can respond and adapt quickly to changes in the market.
David Cerrone

COO & Founder, Mudshare

Increased engagement by 59%

“Esendex has been an invaluable partner to us. With a robust platform, high deliverability rates, compliance expertise and reliable support, the Esendex team has been key to our competitiveness in an increasingly complex space.”
Greg Schreiber

CEO, Vaspian

Curbside laundries logo

18% Increase in customer payments

Streamlining processes, simplifying customer orders, managing payments, tracking orders and sending timely customer communications is critical to improving operational efficiency and enhancing customer care. The Esendex solution is now a key element of our technical solution.
Matthew Simmons

Co-Founder, Curbside Laundries

Trusted by 10,000 Businesses Across Industries
0 M+

SMS and MMS messages
sent annually

0 %

message delivery
reliability rate

0 %

Reduction in fraudulent
activities with secure messaging

0 +

countries reached with SMS
and MMS solutions

From code to communication, simply connect with Esendex APIs and our team of experts.

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.

Escape 10dHELLc and Shortcode Delays. Get Started with Esendex.