The Kero developer pages provide information for developers that aim to use rich business messaging in their own products.
If you are new to this API, it is best to start with the walkthrough page. After that, browse the basic API page to see what else is available.
Updated on 8 July 2026 for API version 0.11.*
Welcome
Developer documentation for building rich business messaging into your own products with the Kero API.
API Walkthrough
A guided introduction to the Kero RCS API, showing how you would use it from your own application.
Basic API
Reference for the /basic API endpoints, protected by Basic auth and used with a valid JSON API token.
Agent API
Reference for the /agent API endpoints, protected by a bearer auth token.
Object Schemas
Reference for the JSON objects used by the Kero API.
Webhooks
Configure a webhook to be notified when a message status changes or when a customer sends a reply.
Change History
Changes to the Kero API and significant documentation updates.
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