What is Twilio?
Twilio is a cloud platform that enables developers to build real-time communications features for their applications. It provides APIs for voice, SMS, video, WhatsApp, and other messaging services.
9 alternatives to Twilio to consider
We’ll now look at alternatives to Twilio - competing technologies that allow you to build realtime experiences for end-users.
Ably
Ably is the definitive realtime experience platform of the internet, serving more WebSocket connections than any other pub/sub platform. Our product suite places composable realtime in the hands of developers. Simple APIs, use case specific SDKs and pre-built integrations, enables the creation of a host of live experiences - including live updates, chat, collaboration, notifications and fan engagement - with no infrastructure to build.
Key Ably features and capabilities
- Ably is underpinned by a globally-distributed network of datacenters and edge acceleration points of presence.
- Ably‘s SDKs provide a consistent and idiomatic API across a variety of supported platforms.
- Connect with pre-built integrations for Webhooks, Lambdas, databases, cloud services, observability tools and stream processors.
- Build the ultimate realtime app with our feature rich suite of products - Pub/Sub and notifications, Chat, LiveObjects, LiveSync, and Spaces.
- Guaranteed message ordering and delivery.
- Global fault tolerance and a 99.999% uptime SLA.
- 6.5ms round trip message delivery latency.
- Elastic scalability to handle millions of concurrent clients.
- Consumption-based, per-minute-billing, built for scale. Ably not only enables you to make the most of your budget, but also enjoy greater flexibility, faster build times and a quicker ROI.
Vonage
Vonage API offers a comprehensive suite of communication APIs for voice, SMS, and video, catering to businesses seeking a programmable communication platform. With its powerful SMS capabilities and global reach.
Bird
Bird (formerly MessageBird) is a cloud communications platform that offers SMS, voice, chat, and video capabilities. It focuses on enabling omnichannel communication for businesses, allowing them to connect with customers across various channels seamlessly.
Agora
Agora offers realtime communication services through APIs, enabling developers to integrate voice, video, and live-streaming features into mobile, desktop, and web applications.
Amazon SNS
AWS Simple Notification Service (SNS) is a fully managed notification service that uses the Pub/Sub model to provide message delivery from publishers to subscribers.
Firebase
Firebase is a cloud-native backend by Google that allows developers to build mobile and web applications. Firebase services include Firebase Realtime data, Firestore database, authentication, and Firebase Cloud Messaging (FCM), among others.
Sinch
Sinch provides cloud-based communications solutions, including voice, messaging, and video APIs. It focuses on enabling companies to integrate communication features into their applications easily, with strong support for mobile messaging.
Sendbird
Sendbird provides APIs and SDKs for mobile and web to integrate live chats and realtime messaging with message history, typing indicators, and push notifications features. It uses WebSocket connections and offers customizability using UI kits and backend integrations. It also supports video and audio integrations for calls.
Quickblox
QuickBlox provides APIs and SDKs for building realtime chat, voice, and video communication apps. It includes chat UI kits, AI-powered assistants, push notifications, and custom video conferencing options.
Disclaimer: The information on the alternatives presented here was based on documentation and resources freely available online and was last updated on 10 Jul 2026. Be sure to double-check everything before you make any decisions. If you do find anything incorrect or out of date, then please let us know.
Try Ably for free to discover the benefits for yourself
Ably has built reliable realtime infrastructure so you don’t have to. On our free plan you benefit from:
- 6M monthly messages
- 200 concurrent channels
- 200 concurrent connections
