Welcome to the Heyy API
The Heyy API is a REST API that lets you build rich messaging experiences on top of Heyy. Use it to:- Send and receive messages across your connected channels.
- Manage contacts, chats, broadcasts, and more.
- Automate repetitive workflows and integrate Heyy with your existing tools.
Next steps
Authentication
How to authenticate requests with API keys.
Versioning
How we version the API.
Rate limiting
How our rate limits work.
Error handling
How errors are returned and how to handle them.
Webhooks
How webhook work and their payloads.