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Find step-by-step guides, messaging resources and developer documentation to help you get the most out of Kero.
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Featured guides
Getting started
Register your account, set up your first messaging channel and send a test message.
Messaging resources
Check RCS availability and SMS Sender ID requirements by country.
Developer pages
Integrate SMS, RCS and WhatsApp messaging into your applications using the Kero API.
Explore Kero’s features
Discover Kero’s messaging channels and the tools to help you manage your customer communications.
SMS
Set up your SMS Agent, send messages and understand message length and delivery.
RCS for Business
Create, test and launch your verified RCS Agent for rich, branded messaging.
WhatsApp Business
Connect your WhatsApp Business Account, manage your Agent and get started with messaging.
Contacts & Segments
Organise your contacts, create segments and reach the right people with your messaging campaigns.
Suggested articles
Popular starting points to help you get up and running.

Quick start to Kero
A fast path from signup to sending messages: register, verify your email, connect your first channel and send a test.

Send a test message
Test your setup with a Direct Message or a Campaign before you go live.

Register an SMS Sender ID
Learn when a Sender ID needs registering and how Kero helps you through the process.

SMS Sender ID requirements by country
Check which countries require Sender ID registration before you start sending.