The Manage Postpay Bolt Ons API can be used to retrieve information about select kinds of boltons that an O2 Post Pay (i.e. contract) customer has subscribed to, using the O2 customers MSISDN as an input variable.

If your application is "data heavy", this API will help to provide a good customer experience to the end user of your application, as you can check if the customer has a mobile data or Wi-Fi Bolt On added to their account. Using the response to this query, you can build logic into your application that then provides context sensitive feedback to the end user.

Manage Post Pay Bolt On's API