Does 1NCE offer an API to control and diagnose SIM cards?
1NCE offers an API that allows you to integrate all relevant functions for managing, controlling and monitoring 1NCE SIM cards into an external system. 
Detailed documentation on this topic can also be found in the API section of the Developer Hub on the 1NCE website.
1NCE Shop

Buy the 1NCE IoT Lifetime Flat now!

Visit the 1NCE Shop and start connecting your IoT devices easily. Simply order your SIM cards, choose the desired type of SIM card and fill out all required forms. After the payment has been approved you get your cards within two to three business days.