Dun & Bradstreet

Dun & Bradstreet Identity Resolution API

Match an input record to a D-U-N-S Number.

Documentation GitHub OpenAPI

Operations 1

GET /v1/match/cleanseMatch Match Candidate To D-U-N-S Number #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: D&B Direct+ Identity Resolution API
  description: D&B Direct+ is Dun & Bradstreet's RESTful API platform that exposes the D&B Data Cloud — more than 500 million companies worldwide — for identity resolution, search, enrichment, multi-process (match plus enrich), batch processing, change monitoring, and historical research.
  version: '3.0'
  contact:
    name: D&B Direct+ Support
    url: https://service.dnb.com/
  termsOfService: https://www.dnb.com/utility-pages/terms-of-use.html
  license:
    name: Proprietary
    url: https://www.dnb.com/utility-pages/terms-of-use.html
servers:
- url: https://plus.dnb.com
  description: Production
tags:
- name: Identity Resolution
  description: Match an input record to a D-U-N-S Number.
paths:
  /v1/match/cleanseMatch:
    get:
      tags:
      - Identity Resolution
      summary: Match Candidate To D-U-N-S Number
      description: Submit a candidate business record (name, address, registration number, phone, email) and receive a ranked list of D-U-N-S Number matches with match-grade, confidence-code, and quality indicators suitable for auto-acceptance or manual review.
      operationId: cleanseMatch
      security:
      - bearerAuth: []
      parameters:
      - name: name
        in: query
        required: true
        schema:
          type: string
        description: Business name as supplied by the caller.
      - name: countryISOAlpha2Code
        in: query
        required: true
        schema:
          type: string
          minLength: 2
          maxLength: 2
        description: ISO 3166-1 alpha-2 country code.
      - name: streetAddressLine1
        in: query
        schema:
          type: string
      - name: addressLocality
        in: query
        schema:
          type: string
      - name: addressRegion
        in: query
        schema:
          type: string
      - name: postalCode
        in: query
        schema:
          type: string
      - name: telephoneNumber
        in: query
        schema:
          type: string
      - name: registrationNumber
        in: query
        schema:
          type: string
      - name: candidateMaximumQuantity
        in: query
        schema:
          type: integer
          minimum: 1
          maximum: 50
          default: 9
      - name: confidenceLowerLevelThresholdValue
        in: query
        schema:
          type: integer
          minimum: 1
          maximum: 10
      responses:
        '200':
          description: Ranked match candidates returned.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MatchResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  schemas:
    Error:
      type: object
      properties:
        transactionDetail:
          $ref: '#/components/schemas/TransactionDetail'
        error:
          type: object
          properties:
            errorMessage:
              type: string
            errorCode:
              type: string
            errorDetails:
              type: array
              items:
                type: object
    OrganizationSummary:
      type: object
      properties:
        duns:
          type: string
          pattern: ^[0-9]{9}$
        primaryName:
          type: string
        primaryAddress:
          $ref: '#/components/schemas/Address'
        countryISOAlpha2Code:
          type: string
        telephone:
          type: array
          items:
            type: object
            properties:
              telephoneNumber:
                type: string
        registrationNumbers:
          type: array
          items:
            type: object
            properties:
              registrationNumber:
                type: string
              typeDescription:
                type: string
    MatchResponse:
      type: object
      properties:
        transactionDetail:
          $ref: '#/components/schemas/TransactionDetail'
        inquiryDetail:
          type: object
        matchCandidates:
          type: array
          items:
            $ref: '#/components/schemas/MatchCandidate'
    TransactionDetail:
      type: object
      properties:
        transactionID:
          type: string
        transactionTimestamp:
          type: string
          format: date-time
        inLanguage:
          type: string
        serviceVersion:
          type: string
    Address:
      type: object
      properties:
        streetAddress:
          type: object
          properties:
            line1:
              type: string
            line2:
              type: string
        addressLocality:
          type: object
          properties:
            name:
              type: string
        addressRegion:
          type: object
          properties:
            name:
              type: string
            abbreviatedName:
              type: string
        postalCode:
          type: string
        addressCountry:
          type: object
          properties:
            isoAlpha2Code:
              type: string
    MatchCandidate:
      type: object
      properties:
        displaySequence:
          type: integer
        matchQualityInformation:
          type: object
          properties:
            confidenceCode:
              type: integer
            matchGrade:
              type: string
            matchDataProfile:
              type: string
        organization:
          $ref: '#/components/schemas/OrganizationSummary'
  responses:
    NotFound:
      description: Resource not found for the supplied identifier.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Missing or invalid bearer token.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
    basicAuth:
      type: http
      scheme: basic

Dun & Bradstreet Identity Resolution API

Operations 1

Documentation

Specifications

Schemas & Data

Other Resources