# NBI

## Introduction

NBI stands for NorthBound Interface. It brings to ONAP a set of API that can be
used by external systems as BSS for example. These API are based on TMF API.

Full description is on [ONAP Read the Doc](https://onap.readthedocs.io/en/latest/submodules/externalapi/nbi.git/docs/offeredapis/index.html).

## Requirements

NBI needs the following ONAP projects to work:

- AAI
- SO
- SDC
- MSB