# Search for potential duplicates in the portal

This method searches for potential duplicates and returns masked validation options

Endpoint: POST /contactDuplicates/{tenantId}/portal
Version: v1-2025-04-18
Security: knox-authorizer

## Path parameters:

  - `tenantId` (string, required)
    The id of the tenant being accessed

## Request fields (application/json):

  - `email_address` (string)
    The email address to search for matches

  - `first_name` (string)
    The contact's first name

  - `last_name` (string)
    The contact's last name

  - `minimum_confidence` (number)
    The minimum degree of confidence on a scale of 1 to 100 that you would like considered a potential duplicate

  - `postal_code` (string)
    The postal code to search for matches

## Response 200 fields (application/json):

  - `id` (string, required)
    The unique, string identifier of this contact

  - `location` (object)
    Information off this contact's preferred address masked for data protection

  - `location.city` (string)
    The city of this contact's preferred address

  - `location.country` (string)
    The country of this contact's preferred address

  - `location.state` (string)
    The state of this contact's preferred address

  - `masked_email_addresses` (array)
    Email addresses related to this contact masked for data protection

  - `masked_email_addresses.masked_email_address` (string, required)
    The masked email address

  - `masked_email_addresses.type` (string, required)
    The email address type

  - `masked_phone_numbers` (array)
    Phone numbers related to this contact masked for data protection

  - `masked_phone_numbers.masked_phone_number` (string, required)
    The masked phone number

  - `masked_phone_numbers.type` (string, required)
    The phone number type

  - `name` (string, required)
    The name of the matched contact

  - `organization_name` (string)
    The name of the organization this contact is related to


## Response 400 fields

## Response 401 fields

## Response 403 fields

## Response 404 fields

## Response 429 fields

## Response 500 fields