Ofcom

Ofcom Connected Nations Broadband API

Returns predicted fixed broadband availability for a UK postcode from Ofcom's Connected Nations dataset — per-premises maximum predicted download and upload speeds broken out by Basic, Superfast, and Ultrafast bands, plus percentage availability of each speed category. A single GET operation, GET /coverage/{PostCode}, authenticated with an Azure API Management subscription key sent as the Ocp-Apim-Subscription-Key header or a subscription-key query parameter.

Documentation GitHub OpenAPI

OpenAPI Specification

openapi: 3.0.1
info:
  title: Ofcom Connected Nations Broadband API
  description: An API based on Connected Nations broadband data.
  version: '1.0'
servers:
  - url: https://api-proxy.ofcom.org.uk/broadband
paths:
  '/coverage/{PostCode}':
    get:
      summary: Get broadband provision by postcode
      description: This endpoint will return predicted broadband speeds broken down by up/down and by Basic/Superfast/Ultrafast alongside percentage availability of the broadband speed categories.
      operationId: CoverageByPostCodeGet
      parameters:
        - name: PostCode
          in: path
          description: The postcode of interest
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Successful operation - broadband provision is returned
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FixedAvailability'
              example:
                PostCode: string
                Availability:
                  - UPRN: 0
                    AddressShortDescription: string
                    PostCode: string
                    MaxBbPredictedDown: 0
                    MaxBbPredictedUp: 0
                    MaxSfbbPredictedDown: 0
                    MaxSfbbPredictedUp: 0
                    MaxUfbbPredictedDown: 0
                    MaxUfbbPredictedUp: 0
                    MaxPredictedDown: 0
                    MaxPredictedUp: 0
        '404':
          description: Post Code not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FixedAvailabilityNotFound'
              example:
                PostCode: string
                ErrorMessage: string
        '500':
          description: General error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GeneralError'
              example:
                ErrorMessage: string
components:
  schemas:
    FixedAvailabilityNotFound:
      title: FixedAvailabilityNotFound
      required:
        - PostCode
        - ErrorMessage
      type: object
      properties:
        PostCode:
          maxLength: 7
          type: string
          description: 'Postcode of address, spaces removed'
        ErrorMessage:
          type: string
          description: A human readable error message
    FixedAvailability:
      title: FixedAvailability
      required:
        - PostCode
        - Availability
      type: object
      properties:
        PostCode:
          maxLength: 7
          type: string
          description: 'Postcode of address, spaces removed'
        Availability:
          type: array
          items:
            $ref: '#/components/schemas/BroadbandProvision'
    BroadbandProvision:
      title: BroadbandProvision
      required:
        - UPRN
        - AddressShortDescription
        - PostCode
      type: object
      properties:
        UPRN:
          type: integer
          description: Unique Property Reference Number
          format: int32
        AddressShortDescription:
          type: string
          description: 'A compiled address description based on use of the Ordnance Survey AddressBase fields of the form - Building Name, Building Number, Dependent_ThoroughFare'
        PostCode:
          maxLength: 7
          type: string
          description: 'Postcode of address, spaces removed'
        MaxBbPredictedDown:
          minimum: -1
          type: number
          format: double
        MaxBbPredictedUp:
          minimum: -1
          type: number
          format: double
        MaxSfbbPredictedDown:
          minimum: -1
          type: number
          format: double
        MaxSfbbPredictedUp:
          minimum: -1
          type: number
          format: double
        MaxUfbbPredictedDown:
          minimum: -1
          type: number
          format: double
        MaxUfbbPredictedUp:
          minimum: -1
          type: number
          format: double
        MaxPredictedDown:
          minimum: -1
          type: number
          format: double
        MaxPredictedUp:
          minimum: -1
          type: number
          format: double
    GeneralError:
      title: GeneralError
      required:
        - ErrorMessage
      type: object
      properties:
        ErrorMessage:
          type: string
          description: A human readable error message
  securitySchemes:
    apiKeyHeader:
      type: apiKey
      name: Ocp-Apim-Subscription-Key
      in: header
    apiKeyQuery:
      type: apiKey
      name: subscription-key
      in: query
security:
  - apiKeyHeader: [ ]
  - apiKeyQuery: [ ]

Ofcom Connected Nations Broadband API

Documentation

Specifications

Other Resources

OpenAPI Specification