## 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](https://www.twilio.com/en-us/report/gartner-mq-cpaas-2025) ## 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](https://www.twilio.com/en-us/blog/insights/trends/record-breaking-cyber-week-2024). 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. ## All-in-one toolbox for customer communications Notifications | Verification | Marketing | Support ### 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](https://www.twilio.com/en-us/products/email-api) Reach customers reliably with the Twilio SendGrid Email API. - [Messaging](https://www.twilio.com/en-us/messaging) Deliver SMS, MMS, RCS, WhatsApp, or OTT messages. - [Voice](https://www.twilio.com/en-us/voice) Trigger voice notifications for automated reminders and messages. - [Lookup](https://www.twilio.com/en-us/user-authentication-identity/lookup) Query phone intelligence data to reduce fraud risk. ### Verification and identity Keep customer accounts and transactions secure with multifactor user authentication and mobile identity signals. Fully managed authentication APIs can prevent fraud, verify signups, protect logins, and assist with account management. - [Verify](https://www.twilio.com/en-us/user-authentication-identity/verify) Authenticate users with one-time passcodes delivered reliably across channels. - [Lookup](https://www.twilio.com/en-us/user-authentication-identity/lookup) Query phone intelligence data to verify number validity and reduce fraud risk. ### Marketing and promotions Reach your audience with targeted campaigns that are tailored to their interests and delivered on the channels they prefer. Engage customers through personalized promotions, customer loyalty programs, behavioral nudges like abandoned cart alerts, and more. - [Messaging](https://www.twilio.com/en-us/messaging) Let customers opt-in to channels like WhatsApp and SMS. - [Email](https://www.twilio.com/en-us/products/email-api) Run one-off email campaigns or ongoing email series to stay top of mind. ### Support and sales Enhance your customer support with intelligent self-service, AI assistance, and cross-channel engagement. Automate repetitive tasks so agents can spend their time on high-value interactions that drive satisfaction and unlock hidden revenue. - [IVR](https://www.twilio.com/en-us/use-cases/ivr) Build a modern IVR to provide intelligent self-service. - [Voice](https://www.twilio.com/en-us/voice) Expand on your legacy voice infrastructure with modern call functionality. - [Flex](https://www.twilio.com/en-us/flex) Connect customers to an agent or sales rep seamlessly. ## 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](https://www.twilio.com/en-us/customer-data-platform) ## Pioneers in CPaaS and still pushing the limits of innovation *[Gartner: Twilio named a Leader in CPaaS](https://www.twilio.com/en-us/report/gartner-mq-cpaas-2025)* *[Consumer Preferences Report](https://www.twilio.com/en-us/lp/consumer-preferences-report)* *[2025 State of Customer Engagement Report](https://www.twilio.com/en-us/state-of-customer-engagement)* ## 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](https://twilio.com/try-twilio) [View pricing](https://www.twilio.com/en-us/pricing)