To work with the API you need to request an account at the IoT Creators portal (https://portal.iotcreators.com/) and you need to request a Project within the portal.
The API's are accessed using Basic Authorization using the credentials you received upon registration. For this you always need to authenticate for your project in the HTTP requests. You can find the required credentials
on the YOUR API CREDENTIALS page within your IoT Creators Project.
In every of your API requests you need to add a base64 encodded "prj-username:prj-password" string as Basic authoriziation header field to the HTTP request.
Authorization: Basic <base64(<prj-username>:<prj-password>)>