🆕Technical specification

The OS Net API provides programmatic access to Ordnance Survey’s high-precision GNSS reference network across Great Britain. It enables developers and geospatial professionals to retrieve station metadata, monitor network health, and download RINEX v3 data files for post-processing and analysis.

This API is ideal for applications in surveying, mapping, infrastructure monitoring, and any domain requiring centimetre-level positioning accuracy.

Base URL

https://api.os.uk/positioning/osnet/v1

Authentication

The API supports the following authentication methods:

• OAuth2 (Client Credentials flow)

• API Key in Query Parameter

• API Key in Header

OS Net API

Operations providing access to OS Net

Stations

Returns a list of OS Net stations, optionally filtered by time and location.

Station Health

Returns hour-by-hour health status of the entire OS Net for a given date.

Rinex

Return list of years with available RINEX data.