# OS NGD API – Features

## What is OS NGD API – Features?

With OS NGD API – Features, you can filter by attribute, location and / or time to create your own customised data selections. Based on the latest [OGC API – Features](https://ogcapi.ogc.org/features/) standard, this API can help accelerate your time-to-value by making it easier to build awesome things with our trusted geospatial data. You can use it to reduce your data management overheads, automate your workflows, and innovate at pace.

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#### Detailed geospatial data

Provides online access to detailed OS NGD data, including buildings, transport and land.  

#### New, easier ways to access data

OS NGD API – Features gives you direct, online access to the OS NGD and schemas using the latest OGC API – Features standard.

#### Rich attribution information

Access detailed geometries and rich attribution through OS NGD API – Features for only the data you need using spatial, attribute and/or time queries

#### Product Archive

Request a snapshot of OS NGD data for a given date and time. 
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#### On-demand access 

Eliminates the need to download, store and maintain large datasets. 

#### Up-to-date mapping

Benefit from current, detailed and accurate data to help you generate new location-based insight converting NGD data into meaningful and actionable information.

#### Efficient data processing

Reduce workload by offering direct access to the required data. 

#### Enhanced decision making

Provides detailed feature attribution for better and more informed analysis.
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* **Format:** Vector (Lines, Points, Polygons) 
* **Data Source**: See [what-data-is-available](https://docs.os.uk/osngd/getting-started/access-the-os-ngd-api/os-ngd-api-features/what-data-is-available "mention") for further information
* **Coverage:** Great Britain
* **Update:** See [#currency-of-os-ngd-data](https://docs.os.uk/osngd/os-ngd-fundamentals/os-ngd-data-ordering-and-currency#currency-of-os-ngd-data "mention") for further information
* **OS Data Hub plan**: Premium Plan, Public Sector Plan
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### Things to remember for OS NGD API – Features

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You can:

* Request specific features using location, attribute, and / or time queries.
* Interrogate highly detailed feature information.
* Freely discover what OS NGD data collections are available.
* Explore the OS NGD data schemas and queryables. 
* Request data in GeoJSON format.
* Visualise OS data and apply your own styling.
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You can't:

* Create a scalable map of Great Britain across zoom levels.
* Request more than 100 features in a single transaction.
* Request data from prior to the launch of OS NGD (2022).
* Access data from the: 
  * OS Boundaries Collection
  * OS Functional Areas Collection
  * OS GB Address Collection
  * OS Islands Address Collection
  * OS NI Postcodes Collection
  * Tidal Boundary Continuous High, Tidal Boundary Continuous Low, River Basin District Catchment and Waterbody Catchment Feature Types (of the OS Water Features Collection in the OS NGD Water Theme)
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If you are interested in addressing information, [**OS Places API**](https://docs.os.uk/os-apis/accessing-os-apis/os-places-api) **provides a detailed view of an address and its lifecycle**, giving you direct access to rich address data for geocoding, postcode searching, form-filling and much more.
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