## Get started
Before you start integrating, get to know our API better by reading the following topics:
* [Harness key concepts](https://developer.harness.io/docs/getting-started/learn-harness-key-concepts/)
* [Authentication](#section/Introduction/Authentication)
* [Requests and responses](#section/Introduction/Requests-and-Responses)
* [Common Parameters](#section/Introduction/Common-Parameters-Beta)
* [Status Codes](#section/Introduction/Status-Codes)
* [Errors](#tag/Error-Response)
* [Versioning](#section/Introduction/Versioning-Beta)
* [Pagination](#section/Introduction/Pagination-Beta)

The methods you need to integrate with depend on the functionality you want to use. Work with  your Harness Solutions Engineer to determine which methods you need.