Alert, notify, and update your customers at scale

Confidently deliver your SMS and WhatsApp messages with G2’s #1 rated CPaaS platform.

  • Effortless cross-channel communication

    Use behavior and product data from multiple sources to trigger SMS, WhatsApp, email, in-app and web messages.

  • Real-time transactional messaging

    Deliver time-sensitive alerts like order confirmations and password resets instantly.

  • Multi-step automation

    Build marketing automation flows to delight every type of customer or prospect.

Deliver at scale with proven APIs for mobile

With just a few lines of code, send and receive SMS and WhatsApp messages to over 220 countries using Dotdigital’s API.

Rated the #1 CPAAS platform in the world

We are independently reviewed as the top CPaaS platform by our users on G2. Choosing Dotdigital means you can rest assured you’re using a platform that consistently delivers.

Written by developers, for developers

Our developer-friendly enterprise APIs are built by experts with over 25 years of knowledge and experience. Written by developers, for developers.

Engage deeper with the world’s most popular messaging app

Whether you’re sharing updates, sending tickets, or attaching receipts, WhatsApp lets you connect in a way that feels personal. Add images, documents, or QR codes to keep things smooth, smart, and efficient.

A communications API you can rely on

Dotdigital’s 99.99% API uptime gives you the confidence you need when sending critical mobile alerts, updates and notifications. Our mobile services include access to our Messaging Operations experts, who are always on hand to help.

Enterprise grade mobile marketing

Keep your customers informed with our dependable SMS and WhatsApp API.

Frequently asked questions

What types of messages can be sent using Dotdigital's Communications API?

You can use the Dotdigital Communications API to send a wide range of messages across multiple channels, including:

  1. Email: Transactional messages like order confirmations, password resets, and triggered personalized product recommendation emails powered by behavioral data and AI
  2. SMS: Real-time alerts such as delivery updates, appointment reminders, or flash sales
  3. WhatsApp: Automated, rich media conversations using WhatsApp marketing for support, promotions, or notifications
  4. Push notifications: In-app alerts (if integrated) triggered by user behavior or transactional events
  5. Triggered campaigns: Messages based on customer actions like purchases, sign-ups, or abandoned carts, powered by marketing automation
  6. Multichannel journeys: Orchestrated customer journeys across email, SMS, and WhatsApp using real-time data and behavioral insights

With the API, these messages can be sent instantly, scheduled in advance, or triggered by data from your CRM, ecommerce store, or website, keeping your brand relevant, responsive, and personal.

What industries can benefit from the Communications API?

A Communications API adds value to almost any industry that needs to send real-time, automated messages to customers. Today, customers expect timely, personalized communication—like order confirmations or welcome messages—and a Communications API makes that easy to deliver at scale. Here’s how some industries use it to improve engagement and efficiency:

  • Ecommerce and retail: Send order confirmations, shipping updates, and personalized product recommendations across email, SMS, and WhatsApp. Automate loyalty messages, flash sales, and back-in-stock alerts across channels
  • Travel and hospitality: Deliver booking confirmations, booking abandonment messages, itinerary changes, and real-time flight or check-in updates
  • Financial services: Send secure account alerts, fraud warnings, or policy updates instantly
  • Education: Notify students or parents about timetables, closures, or important deadlines
  • Not-for-profit: Keep supporters engaged with donation receipts, fundraising appeals, and event invites across multiple touchpoints
  • Sports & entertainment: Send ticket confirmations, show or matchday reminders, live updates, and personalized fan messages, including promotions for merchandise and exclusive offers before, during, and after events
  • B2B SaaS and technology: Onboard users with automated welcome flows, usage alerts, or renewal nudges

By integrating a Communications API like Dotdigital’s, these industries can send the right message at the right time.

What are the benefits of using an API?

At its core, an API (Application Programming Interface) is what allows different pieces of software to share data and work together. For businesses, general benefits include:

  • Automating everyday tasks to save time and reduce manual errors
  • Speeding up development by connecting to tools that already do the heavy lifting
  • Keeping systems in sync with live data instead of outdated exports or spreadsheets
  • Giving teams the flexibility to build custom workflows that match how they actually work
  • Helping different apps ‘talk’ to each other without clunky workarounds

Marketing-specific benefits

When it comes to marketing, APIs unlock more than just convenience, they power personalized, and timely communication. A communications API, for example, can:

  • Automatically send an SMS, email, or WhatsApp message when someone places an order or abandons their cart
  • Keep contact lists and preferences up to date across your CRM, email platform, and reporting tools
  • Make sure your messaging feels consistent, whether someone’s receiving a text or an email
  • Make it easier to personalize campaigns using real-time behavior or purchase data
  • Break down silos between marketing, sales, and support by giving everyone access to the same up-to-date information