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OS Net API

High-precision GNSS data from the OS Net network of continuously operating reference stations across Great Britain, including station metadata, health, and RINEX observation files.

OS Net API is one of 12 APIs that Ordnance Survey publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Positioning, GNSS, and Surveying. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

This API exposes 10 operations across 10 paths, organized into 2 resource areas, and defines 11 schemas. It is described by OpenAPI 3.0.0, at version 1.6.0.

Requests are made against a single base URL, https://api.os.uk/positioning/osnet/v1.

10 operations 10 paths 11 schemas 10 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.0
API Version
1.6.0
Base URL
https://api.os.uk/positioning/osnet/v1
Authentication
OAuth 2.0, API Key, API Key
Resource Areas
2

Authentication & Security 3

OS Net API declares 3 security schemes for authenticating requests. It supports OAuth 2.0 (OAuth2) using the clientCredentials flow. An API key is passed in the query as key (APIKeyQuery). An API key is passed in the header as key (APIKeyHeader).

Paths & Operations 10

Across 10 paths, the API surfaces 10 operations — 10 GET. They span 2 resource areas: Stations, Rinex. Each is listed below with its method, path, parameters, and response codes.

Stations 5
GET
/stations
Get a list of the current GPS stations over the specified time period. The info is derived from https://www.ordnancesurvey.co.uk/documents/resources/osnet-coordinates-file.txt. Note that if the start…
Get Stations 3 params → 200400
GET
/stations/health
Get an hour-by-hour breakdown of the OS Net network health for a specific date.
Get Network Health 2 params → 200
GET
/stations/{stationId}
Get info on specified station over a specified time period. Note that if the start and end date are omitted then the response will not contain the percentageComplete property. The dataFrequency param…
Get Station 3 params → 200404400
GET
/stations/{stationId}/health
Get health information about a specific station
Get Station Health 2 params → 200
GET
/stations/{stationId}/log
Get logs for specified station
Get Station Logs 1 param → 200404400
Rinex 5
GET
/stations/{stationId}/rinex
Get RINEX v3 files for a specific station
Get station data 3 params → 200400403
GET
/rinex
List the years that have RINEX data available
Get Rinex Data Years → 200
GET
/rinex/{year}
List the days that have RINEX data available, for the given year
Get Rinex Data Days 1 param → 200
GET
/rinex/{year}/{dayOfYear}
List the files available via this service, for the given year and day
Get Rinex Data Files 3 params → 200400403
GET
/rinex/{year}/{dayOfYear}/{filename}
Get a specific RINEX v3 file
GetRinexFile 3 params → 200307404204400403

Schemas 11

The contract defines 11 schemas that model the data the API accepts and returns. The most detailed are Station (17 properties), OSNetDownload (6 properties), Link (5 properties), SpatialParameters (3 properties). Each schema is shown below with its type and property counts.

StationNetworkHealth
array
HealthByDate
array
HourlyData
array
Station
object
Information about a GPS station.
17 properties 13 required
Link
object
Provides a link leading to further information about a resource
5 properties 5 required
SpatialParameters
object
Spatial parameters for the /stations endpoint
3 properties
TemporalParameters
object
Parameters that provide an optional temporal window (from start to end) for a query. When using start and end, please note that start should be within the last…
2 properties
RequiredTemporalParameters
object
Parameters that provide a temporal window (from start to end) for a query. Please note that the start time should be within the last 45 days, and the end shoul…
2 properties 2 required
RinexFile
Metadata about a rinex file that is available for download
OSNetDownload
object
Information about a specific download file that is made available through this API.
6 properties 2 required
MetaData
object
3 properties 3 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

ordnance-survey-osnet-openapi.yaml Raw ↑

Other APIs Ordnance Survey publishes across the network.

OS NGD API - Features
OS NGD API - Tiles
OS Downloads API
OS Places API
OS Names API
OS Linked Identifiers API
OS Match & Cleanse API (withdrawn)
OS Features API
OS Maps API
OS Vector Tile API
OS OAuth 2 API
Where this information came from

This is an independent, third-party profile of OS Net API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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