Download an OpenData product

API test authentication

The Open API block allows you to test OS APIs directly from the page with example data and parameters. To use this feature, you will need to add your API Key or OAuth2 token to the authentication field.

For help generating an API Key or OAuth2 token, please see the Getting started with an API project or OAuth2 documentation.

Returns a list of downloads for a specific OpenData product, or redirects to the actual download if requested.

get

Path parameters

productIdstringRequired

The id of the product.

Query parameters

fileNamestringOptional

Filter the list of downloads to only include those with this file name.

formatstringOptional

Filter the list of downloads to only include those with this format.

subformatstringOptional

Filter the list of downloads to only include those with this subformat.

areastring · enumOptional

This describes the geographical area that a download covers. GB is all of Great Britain, while codes like 'HP' cover National Grid Reference squares.

Possible values:

redirectbooleanOptional

When included, if the selected downloads list contains exactly one download, redirect to the download location.

Responses

200

Successful response.

application/json

Information about a specific download file that is made available through this API.

urlstring · uriRequired

Getting this URL will return a HTTP redirect to the actual data.

fileNamestringRequired

The name of the file.

Example: data.zip

sizeintegerOptional

The file size, in bytes.

Example: 1234

md5stringOptional

A MD5 checksum of the file data. This can be used to verify the integrity of the data once you have downloaded it.

Example: 2f9dd13abd56140afa3b5621e8864f59

areastring · enumRequired

This describes the geographical area that a download covers. GB is all of Great Britain, while codes like 'HP' cover National Grid Reference squares.

Possible values:

formatstringRequired

This describes the format of the data.

Example: GML

subformatstringOptional

This describes the subformat of the data.

Example: 3

307

Returned when the 'redirect' parameter was supplied, and there was exactly one matching download.

application/json

404

The request does not match any known content. The response will contain a human readable message, and may also contain links to help you navigate to other API endpoints.

application/json

get

/products/{productId}/downloads

HTTPcURLJavaScriptPython

GET /downloads/v1/products/{productId}/downloads HTTP/1.1
Host: api.os.uk/
Accept: */*

[
  {
    "url": "https://example.com",
    "fileName": "data.zip",
    "size": 1234,
    "md5": "2f9dd13abd56140afa3b5621e8864f59",
    "area": "GB",
    "format": "GML",
    "subformat": "3"
  }
]