The phrase "a single interface" is correct and usable in written English.
You can use it when referring to a unified point of interaction or communication within a system or application.
Example: "The software is designed to provide a single interface for all user interactions, simplifying the overall experience."
Alternatives: "one interface" or "a unified interface".
VDS provides a single interface to manage multivendor storage environments.
Learning Modules (LMOD) system: Ties all user-activated modules, e.g., Gradebook, Materials, Forum, Calendar, within a single interface.
ROBB BEAL, a software engineer, had a mission: to unite a broad range of Internet information and services behind a single interface.
Adobe would handle the payment details, and the developer could access any money made from the app through a single interface.
The U.S. tech industry currently lacks a coordinating body to facilitate data sharing and provide a single interface to U.S. agencies working to protect our elections.
A modular system is one where sub-systems are separated from one another, and interactions between the sub-systems are managed through a single interface.
And for dreamers, this will enable a wide variety of different services to be delivered to the customer over a single interface.
Distributed jobs can thus take advantage of the facilities of different systems, without losing the ability to interact through a single interface.
It is still capable of providing all the integrated services (voice, data, video, etc). through a single interface just like ISDN was supposed to.
Boxee gives users a single interface to access all the photos, video and music on their hard drives, along with a wide range of television shows, movies and songs from sites like Hulu, Netflix, YouTube, CNN.com and CBS.com.
Its devices operate through a single interface combining any music services you subscribe to with the music on your hard drive.
