5 Services with API and SDK for Chat and Message App Development

Developing a chat or message app requires lots of skills, including server’s back-end service creation skill and Android development skill. It is better for a developer to let a 3rd-party handle server logic and scalability to focus on Android development only.

There are many services which provides back-end for message storage while providing API & SDK for developer to create a message app easier.

What these services offer:

  • Server for messages storage
  • SDKs for app development
  • Push notification support
  • One-to-one, group and cross-platform chat support



SendBird offers chat API and SDK to develop a chat app with real-time communication among its users. SendBird’s chat API is cross-platform, which allows its apps and games to run on multiple platforms including iOS, Android, JavaScript, Unity and .NET(+Xamarin).



Applozic allows real time messaging on multi-platforms. It provides simple SDK which allows users to share image, file, location and audio/video conversations. Applozic has typing indicator feature that lets the receiver know when the sender is typing. It shows message status and delivery report so user understand whether his message is delivered.



Layer provides everything you need, from UI to infrastructure, to boost retention, engagement or drive transactions with the power of rich messaging. Layer supports multi-part messages with any payload type — location, text, photos, GIFs, voice, video, or just plain meta-data. It allows payload up to 2GB to be sent.


If you want to know Layer’s price, you need to contact its sale department at https://layer.com/pricing.


Pusher offers simple, event-based API to develop chat message which can be delivered to any devices and any platforms. Similar to other services, Pusher can show offline/online status of users in real-time and allow developer to grant permisison to specific channels.



PubNub offers low-latency real-time messaging across any device. PubNub can send a message between any two devices on earth in a blink of an eye. It has simple APIs and SDKs to connect, build, and scale realtime applications on the PubNub Data Stream Network