Install a REST client

Since Celonis APIs are REST APIs, you will need a way to interact with them. There are multiple ways to do this, but to keep things simple, we will use Postman, which is a very popular and free REST client.

If you already have a REST client, you can ignore this section.

Otherwise, go to the Postman Download page and download it for your Operating System. Once the client is downloaded, install it on your computer.

Once installed, it should look like something like this:

To start using Postman, create an account or click the "Skip and go to the app" link.