Watsi API Docs
Build WhatsApp integrations with the Watsi CRM platform. Send messages, manage conversations, and automate workflows with our REST API.
Quickstart
Send your first WhatsApp message in 5 minutes.
Authentication
Create an API key and authenticate your requests.
API reference
Browse and test every endpoint interactively.
Webhooks
Receive real-time event notifications via HTTPS.
Pagination & filtering
Navigate large result sets with cursor-based pagination.
Error handling
Understand error codes and retry strategies.
Resources
- What is Watsi? — platform overview, core concepts, and use cases
- Calendar & booking tutorial — integrate appointment scheduling via WhatsApp
- Changelog — latest API updates and additions
- OpenAPI spec — download for Postman, Insomnia, or code generation