A method of provisioning a plurality of applications from different application developer systems to a network provider system comprises establishing a plurality of service accounts for a corresponding plurality of application service provider systems, receiving a plurality of API interfaces from the plurality of application service provider systems, integrating, by the processor system, each of the plurality of API interfaces with a unified services platform API interface, receiving a provider API interfaces for a network provider system, and integrating the provider API interface with the unified services platform API interface. The plurality of application service provider systems provide services for use in association with a telephone number of a subscriber of telecommunication services. At least two of the API interfaces are different, and at least one of the plurality of API interfaces from the plurality of application service provider systems is not compatible with the provider API interface.