SMS APIs with global reach.

Enterprises trust our SMS APIs to send and receive billions of text messages around the world. Built on a high-performance infrastructure using a Tier 1 network that offers direct carrier connections.

SMS product sheet Messaging Network

Start quickly, scale easily, engage individually.

Reliable messaging with worldwide coverage

One and two-way SMS

Send one-way alerts, notifications, and reminders at the perfect moment. When you need a response, use two-way SMS to create engaging conversations, letting customers reply with a few taps of the screen.

Engage around the world

As a Tier 1 network with direct carrier connectivity and relationships across the US, UK, and the rest of the world, we ensure that your messages are delivered to customers no matter where they are.

Adaptable scalability

Don’t worry about underlying infrastructure, we take care of that. Large volumes or bursts of traffic are easily managed with our globally distributed platform. Without jeopardizing connection quality, send mass text messages at a competitive rate.

SMS for the always-on, global enterprise

On-demand support

We pride ourselves on offering around the clock (24x7) support with dedicated account management, API documentation, and developer resources. Implementation services are available on demand. 

High performance infrastructure

We champion reliability, offering a high-availability cloud deployment across multiple geographic regions, automated monitoring, and zero-downtime upgrades.

Explore new channels 

Start with SMS and then expand to new channels like MMS, RCS, and WhatsApp. Through our APIs, it's quick and easy to add new channels to your communication mix.

Powering billions of interactions.


How Centrica transformed their SMS customer experience.

With over 9 million customers, Centrica received a huge volume of inbound calls every day. As a result, customers could often be frustrated by long queue times during peak hours and using voice as their main channel, the cost to serve customers was high. Find out how Webex Connect helped them deliver a better customer experience and reduce costs.

Enrichen your customer experience with tailored messaging.

Appointment reminders

Send appointment reminders to reduce the risk of no-shows.

Payment notifications

Keep customers informed about their finances with proactive notifications

Promotional offers

Promote new products or services with our programmable SMS API.

Fraud protection

Maintain customer trust with real-time notifications to validate transactions.

Easily embed our SMS APIs with a few lines of code.

Add API SMS messaging to your customer journeys by integrating our SMPP or HTTP (REST) APIs to leverage our messaging infrastructure with carriers. Check out our Developer Center for API documentation and sample code, or use our sandbox to trial it out in practice.

Got questions about SMS? We've got you covered.

  • What is an SMS API?

  • How do businesses use SMS APIs?

  • How can my business start sending bulk SMS messages?

  • How does an SMS aggregator work?

  • What is an SMS API gateway?

Get started with SMS.

Talk to one of our experts today.