What is a CPaaS platform?

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What is a CPaaS platform?

A communications platform as a service (CPaaS) is a cloud-based platform that embeds communications channels into any business application via API. This means you can send text messages (SMS, RCS, WhatsApp, and more), make voice and video calls, send emails, or verify users right from your app.

With CPaaS, you have everything you need to build seamless, engaging customer experiences across channels, powered by people or AI.

Twilio is again named a Leader in the 2025 Magic Quadrant for CPaaS by Gartner*. Read the report

We’re leaders in CPaaS, but we’re still not settling

Twilio’s mission is to make it easy for you to connect with your customers, anywhere in the world. Twilio handles the hard parts of global carrier networks and navigating compliance, so you can reach people reliably and build amazing experiences.

Trusted scale and reach

Twilio supports over 2.5 trillion communications annually and handles massive volume spikes without interruption. Our CPaaS platform has coverage in 180+ countries and ensures low-latency and high deliverability, while simplifying the complexity of global telco regulations.

Intelligent engagement

Twilio combines data, communications, and trusted AI into every interaction.  With the collective knowledge from trillions of communications, Twilio has developed intelligence to reduce fraud and power stronger deliverability, engagement, observability, and ROI.

Freedom to build

Guided onboarding, multichannel APIs, SDKs, and documentation make it easy to get started with Twilio. Over 10 million developers choose Twilio so they can quickly spin up a solution and scale it to global customers.

Deeper trust, reduced fraud

Our user authentication and identity solution uses authoritative mobile signals, real-time contextual data, and proprietary fraud detection models to stop fraud before it starts.

193+

billion messages sent/received annually

2.2+

trillion emails sent annually

27.9+

billion voice calls annually

5.1+

billion customer verifications annually

All-in-one toolbox for customer communications

Notifications and alerts

Deliver important alerts and notifications on the channels your recipients prefer. Quickly set up flows for appointment reminders, mass notifications, security alerts, purchase confirmations, account confirmation messages, and more.

  • Email

    Reach customers reliably with the Twilio SendGrid Email API.

  • Messaging

    Deliver SMS, MMS, RCS, WhatsApp, or OTT messages.

  • Voice

    Trigger voice notifications for automated reminders and messages.

  • Lookup

    Query phone intelligence data to reduce fraud risk.

Resy delivers automated texts to confirm guest reservations and prevent no-shows.

User Checkmark
3% or less

no-show rate

A pair of chat bubbles
21M+

messages delivered monthly

Read Resy’s story An icon of a right chevron

Customer engagement that feel personal, because it is

With Twilio, you can combine the reach of a CPaaS platform with the deep insights of a Customer Data Platform.

Make every interaction personal and relevant with insights from clean, consented, real-time customer data and context from past interactions. No more communications that fall flat—just messages that build relationships and drive conversions.

Discover the Customer Data Platform

Pioneers in CPaaS and still pushing the limits of innovation

Consumer Preferences Report

How do customers want to hear from you? We researched consumer preferences so you can build communications with confidence.

Gartner: Twilio named a Leader in CPaaS

Twilio named a Leader in 2025 Gartner Magic Quadrant for CPaaS.

Total Economic Impact report for Messaging

Forrester found Twilio Messaging provided a 3% increase in messages delivered.

IDC: Twilio named a leader in CPaaS

Twilio named a leader for the fifth time in the IDC Marketscape for CPaaS in 2025. 

What is CPaaS?

Businesses are using Communications Platforms as a Service to create impactful cross-channel customer experiences.

 2025 State of Customer Engagement Report

A gap is emerging between what customers expect and the experiences business deliver.

Get started for free today

Build on a communications platform that can get your messages to customers reliably and deliver trusted communications, but also continue to meet your needs as you scale your solution.

Start for free View pricing

* Gartner®, Magic Quadrant™ for Communications Platform as a Service,  Lisa Unden-Farboud, Manoj Bhatia, Pankil Sheth, Ajit Patankar, July 21, 2025 

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