# Kizen API Reference

The <code class="expression">space.vars.Kizen\_company\_name</code> API Reference provides developers and technical builders with the tools needed to integrate, automate, and extend <code class="expression">space.vars.Kizen\_company\_name</code> programmatically. Use these APIs to work with data, schedule and log activities, trigger workflows, and build reliable integrations across systems.

***

## Getting Started

If you’re new to the <code class="expression">space.vars.Kizen\_company\_name</code> APIs, start here:

1. Understand the [data model](https://app.gitbook.com/s/Qd8ufpN7wkdnx7JtgoeZ/concepts)
2. Learn about [authentication](https://app.gitbook.com/s/Qd8ufpN7wkdnx7JtgoeZ/developers/authentication)
3. Test the endpoints using [Swagger](https://app.go.kizen.com/api/docs/public/swagger)
4. Choose the right integration pattern
   * Use APIs for on-demand or batch operations, and Webhooks for near-real-time event handling.
   * SmartConnectors are a great way to load or sync large amounts of data on an ongoing basis

Whether you’re building a one-way data sync or a complex, multi-system workflow, the API Reference provides the technical detail needed to implement it correctly.

You can also check our existing API documentation topics for more information about using the APIs:

* [Activities API & Webhooks](https://app.gitbook.com/s/Qd8ufpN7wkdnx7JtgoeZ/concepts/activities/activities-api-and-webhooks)
