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ZelloWork for Developers

Push-to-talk for your application

Channel API and SDK

Connect to Zello channels.

Embed Zello channels into your app.

Create ad-hoc conversations on the fly
with up to 3500 users.

Use the Android, iOS, or web SDK, or
create your own client with the API.

View on Github

Android SDK

Let your mobile users communicate while on-the-go.

Enable single sign-on.
View Sample

Add a PTT button to your application.
View Sample

Switch contacts automatically.
View Sample

View on Github

Windows SDK

Create an integrated dispatch experience.

Build gateways to radios, SIP, PBX.
View Sample

Design a customized UI experience.
View Sample

Manage incoming calls for users.

Use in C++, or .NET applications with ActiveX.

View on Github

Management API

Manage users and channels from your application.

Integrate with Active Directory.

Create channels automatically from
your application.

Build customized analytics using
Cloud History Metadata.

Access from PHP, Swift, Objective
C, Java, or C#.

View on Github


Zello-enable your Android phones

Add a PTT button to any Android device to
appeal to the millions using Zello today.

View API

Make an accessory

Make every smartphone a push-to-talk device
by creating Zello Optimized Accessories.

View API

See what others are doing!