US Census Bureau Locations API

openapi: 3.1.0
info:
  title: Business Dynamics Statistics 2010 Locations API
  description: 'Time-series API providing annual measures of establishment and firm

    dynamics for the United States — births, deaths, expansions, contractions,

    job creation, and job destruction — from 1978 through the latest reference

    year. Supports breakdowns by firm age, firm size, sector, state, and metro

    area.


    Endpoint family: `/data/timeseries/bds`.

    '
  version: '2026-05-25'
  contact:
    name: Census Bureau Center for Economic Studies
    url: https://www.census.gov/programs-surveys/bds.html
  license:
    name: Creative Commons Zero 1.0 (Public Domain)
    url: https://creativecommons.org/publicdomain/zero/1.0/
  termsOfService: https://www.census.gov/data/developers/about/terms-of-service.html
servers:
- url: https://api.census.gov/data
  description: Census Data API production base
security:
- ApiKeyQuery: []
tags:
- name: Locations
  description: Address to coordinates
paths:
  /locations/onelineaddress:
    get:
      summary: Geocode A One-Line Address
      description: Parse a single-line address string and return matched coordinates.
      operationId: locationsOnelineAddress
      tags:
      - Locations
      parameters:
      - name: address
        in: query
        required: true
        description: Single-line street address (for example `4600 Silver Hill Rd, Washington, DC 20233`).
        schema:
          type: string
      - $ref: '#/components/parameters/BenchmarkParam'
      - $ref: '#/components/parameters/FormatParam'
      responses:
        '200':
          description: Geocoder match envelope
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LocationsResponse'
  /locations/address:
    get:
      summary: Geocode A Structured Address
      description: Geocode using separately parsed street, city, state, and ZIP fields.
      operationId: locationsAddress
      tags:
      - Locations
      parameters:
      - name: street
        in: query
        required: true
        schema:
          type: string
      - name: city
        in: query
        required: false
        schema:
          type: string
      - name: state
        in: query
        required: false
        schema:
          type: string
      - name: zip
        in: query
        required: false
        schema:
          type: string
      - $ref: '#/components/parameters/BenchmarkParam'
      - $ref: '#/components/parameters/FormatParam'
      responses:
        '200':
          description: Geocoder match envelope
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LocationsResponse'
  /locations/coordinates:
    get:
      summary: Reverse Geocode Coordinates
      description: Reverse geocode a latitude/longitude pair to the nearest matched address.
      operationId: locationsCoordinates
      tags:
      - Locations
      parameters:
      - name: x
        in: query
        required: true
        description: Longitude in WGS84.
        schema:
          type: number
      - name: y
        in: query
        required: true
        description: Latitude in WGS84.
        schema:
          type: number
      - $ref: '#/components/parameters/BenchmarkParam'
      - $ref: '#/components/parameters/FormatParam'
      responses:
        '200':
          description: Reverse-geocoded match envelope
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LocationsResponse'
components:
  schemas:
    LocationsResponse:
      type: object
      properties:
        result:
          type: object
          properties:
            input:
              type: object
            addressMatches:
              type: array
              items:
                $ref: '#/components/schemas/AddressMatch'
    AddressMatch:
      type: object
      properties:
        matchedAddress:
          type: string
        coordinates:
          type: object
          properties:
            x:
              type: number
            y:
              type: number
        tigerLine:
          type: object
          properties:
            tigerLineId:
              type: string
            side:
              type: string
        addressComponents:
          type: object
          properties:
            fromAddress:
              type: string
            toAddress:
              type: string
            preQualifier:
              type: string
            preDirection:
              type: string
            preType:
              type: string
            streetName:
              type: string
            suffixType:
              type: string
            suffixDirection:
              type: string
            suffixQualifier:
              type: string
            city:
              type: string
            state:
              type: string
            zip:
              type: string
  parameters:
    FormatParam:
      name: format
      in: query
      required: false
      description: Response format.
      schema:
        type: string
        enum:
        - json
        - jsonp
        default: json
    BenchmarkParam:
      name: benchmark
      in: query
      required: true
      description: Reference dataset benchmark (`Public_AR_Current`, `Public_AR_Census2020`, `Public_AR_Census2010`).
      schema:
        type: string
        examples:
        - Public_AR_Current
  securitySchemes:
    ApiKeyQuery:
      type: apiKey
      in: query
      name: key