With Telia Sign, you can safely and efficiently sign any mutually binding contract anywhere and at any time. Available in Finland.

These are the public APIs available for partners to Telia Trade.

Opaali Portal is a graphical user interface for Telia Operator Service Platform and it provides access to Messaging and Payment APIs. Use these APIs to build prototype applications or extensions to existing apps that include powerful mobile communications and monetization features.

Telia Mobile Subscription APIs provide Telia services and customer portal functionalities to external systems. You can use your internal systems for executing tasks you would otherwise do in the Telia Customer Online. Available in Finland.