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 make things simple, we will use Postman, which is a very popular 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 it's downloaded, install it.

Once installed, it should look like something like this:

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