KATSANA API uses OAuth2 server implementation for API integration which is built on top of Laravel Passport.
Creating a Client
Personal Access Token
Each API developer should be able to generate Personal Access Token. From the top right menu on the Platform, click on Account Settings.
Next go to API Token sub-menu and click on Create New Token.
Type-in a name for the personal access token, add click Create.
Once generated, you're see a modal containing your access token.
Please copy this information to your application and on no condition share this key to anyone else.