In order to acquire API v3 credentials please add “api” under Settings > Data Exchange. Within the API widget, you can then create a new application login and assign specific permissions. It is highly recommended to create separate API users for different applications.
API v3 Endpoints
US Based Accounts: https://167.koronacloud.com/web/api/v3/
European Accounts: https://128.koronacloud.com/web/api/v3/
API v3 Swagger JSON