Postcode

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 matched addresses based on a property's postcode.

get

Authorizations

api-keyapi-key-headeroauth2

Query parameters

postcodestringRequired

The postcode search parameter.

formatstring · enumOptional

The format the response will be returned in. Default: JSON.

Default: JSONPossible values:

maxresultsinteger · min: 1 · max: 100Optional

The maximum number of results to return. Default: 100.

Default: 100

offsetintegerOptional

Offset the list of returned results by this amount.

Default: 0

datasetstring · enumOptional

The dataset to return. Multiple values can be sent, separated by a comma. Default: DPA.

Default: DPAPossible values:

lrstring · enumOptional

Which language of addresses to return. Default: EN, CY.

Possible values:

output_srsstring · enumOptional

The intended output spatial reference system. Default: EPSG:27700

Default: EPSG:27700Possible values:

fqstring[]Optional

Filter for classification code, logical status code, LPI logical status code and/or country code. Filtering for classification code will accept wildcard ( * ) searches. Multiple searches can be done by separating the codes with a space. Multiple filters can be used together by including the parameter multiple times

Example: ["CLASSIFICATION_CODE:CI CLASSIFICATION_CODE:RD","LOGICAL_STATUS_CODE:6","LPI_LOGICAL_STATUS_CODE:3","COUNTRY_CODE:EN"]

Responses

200

Retrieves matched addresses

application/jsonapplication/xml

get

HTTPcURLJavaScriptPython

GET /search/places/v1/postcode HTTP/1.1
Host: api.os.uk
Accept: */*

200

Retrieves matched addresses

{
  "header": {
    "uri": "text",
    "query": "text",
    "offset": 1,
    "totalresults": 1,
    "format": "text",
    "dataset": "text",
    "lr": "text",
    "maxresults": 1,
    "matchprecision": 1,
    "epoch": "text",
    "lastupdate": "text",
    "output_srs": "text"
  },
  "results": [
    {
      "DPA": {
        "UPRN": 1,
        "UDPRN": 1,
        "ADDRESS": "text",
        "ORGANISATION_NAME": "text",
        "DEPARTMENT_NAME": "text",
        "SUB_BUILDING_NAME": "text",
        "BUILDING_NAME": "text",
        "BUILDING_NUMBER": 1,
        "DEPENDENT_THOROUGHFARE_NAME": "text",
        "THOROUGHFARE_NAME": "text",
        "DOUBLE_DEPENDENT_LOCALITY": "text",
        "DEPENDENT_LOCALITY": "text",
        "POST_TOWN": "text",
        "POSTCODE": "text",
        "RPC": "text",
        "X_COORDINATE": 1,
        "Y_COORDINATE": 1,
        "LNG": 1,
        "LAT": 1,
        "STATUS": "text",
        "LOGICAL_STATUS_CODE": 1,
        "CLASSIFICATION_CODE": "text",
        "CLASSIFICATION_CODE_DESCRIPTION": "text",
        "LOCAL_CUSTODIAN_CODE": 1,
        "LOCAL_CUSTODIAN_CODE_DESCRIPTION": "text",
        "COUNTRY_CODE": "text",
        "COUNTRY_CODE_DESCRIPTION": "text",
        "POSTAL_ADDRESS_CODE": "text",
        "POSTAL_ADDRESS_CODE_DESCRIPTION": "text",
        "BLPU_STATE_CODE": 1,
        "BLPU_STATE_CODE_DESCRIPTION": "text",
        "TOPOGRAPHY_LAYER_TOID": "text",
        "WARD_CODE": "text",
        "PARISH_CODE": "text",
        "PARENT_UPRN": 1,
        "LAST_UPDATE_DATE": "text",
        "ENTRY_DATE": "text",
        "LEGAL_NAME": "text",
        "BLPU_STATE_DATE": "text",
        "LANGUAGE": "text",
        "MATCH": 1,
        "MATCH_DESCRIPTION": "text",
        "DELIVERY_POINT_SUFFIX": "text"
      },
      "LPI": {
        "UPRN": 1,
        "ADDRESS": "text",
        "USRN": 1,
        "LPI_KEY": "text",
        "ORGANISATION": "text",
        "SAO_START_NUMBER": 1,
        "SAO_START_SUFFIX": "text",
        "SAO_END_NUMBER": 1,
        "SAO_END_SUFFIX": "text",
        "SAO_TEXT": "text",
        "PAO_START_NUMBER": 1,
        "PAO_START_SUFFIX": "text",
        "PAO_END_NUMBER": 1,
        "PAO_END_SUFFIX": "text",
        "PAO_TEXT": "text",
        "STREET_DESCRIPTION": "text",
        "LOCALITY_NAME": "text",
        "TOWN_NAME": "text",
        "ADMINISTRATIVE_AREA": "text",
        "AREA_NAME": "text",
        "POSTCODE_LOCATOR": "text",
        "RPC": "text",
        "X_COORDINATE": 1,
        "Y_COORDINATE": 1,
        "LNG": 1,
        "LAT": 1,
        "STATUS": "text",
        "LOGICAL_STATUS_CODE": 1,
        "CLASSIFICATION_CODE": "text",
        "CLASSIFICATION_CODE_DESCRIPTION": "text",
        "LOCAL_CUSTODIAN_CODE": 1,
        "LOCAL_CUSTODIAN_CODE_DESCRIPTION": "text",
        "COUNTRY_CODE": "text",
        "COUNTRY_CODE_DESCRIPTION": "text",
        "POSTAL_ADDRESS_CODE": "text",
        "POSTAL_ADDRESS_CODE_DESCRIPTION": "text",
        "BLPU_STATE_CODE": 1,
        "BLPU_STATE_CODE_DESCRIPTION": "text",
        "TOPOGRAPHY_LAYER_TOID": "text",
        "WARD_CODE": "text",
        "PARISH_CODE": "text",
        "PARENT_UPRN": 1,
        "LAST_UPDATE_DATE": "text",
        "ENTRY_DATE": "text",
        "LEGAL_NAME": "text",
        "BLPU_STATE_DATE": "text",
        "STREET_STATE_CODE": 1,
        "STREET_STATE_CODE_DESCRIPTION": "text",
        "STREET_CLASSIFICATION_CODE": "text",
        "STREET_CLASSIFICATION_CODE_DESCRIPTION": "text",
        "LPI_LOGICAL_STATUS_CODE": 1,
        "LPI_LOGICAL_STATUS_CODE_DESCRIPTION": "text",
        "LANGUAGE": "text",
        "MATCH": 1,
        "MATCH_DESCRIPTION": "text"
      }
    }
  ]
}