> ## Documentation Index
> Fetch the complete documentation index at: https://apidocs.atom.com/llms.txt
> Use this file to discover all available pages before exploring further.

# List contacts

> Returns all contact handles associated with the authenticated user — the primary registrant contact (RegistrantUser) plus any additional contact handles.



## OpenAPI

````yaml GET /registrar/v1/contacts
openapi: 3.0.0
info:
  title: Atom Registrar API
  version: 1.0.0
  description: >-
    REST API for domain registration, DNS management, and domain operations.
    Authentication via Bearer token in Authorization header.
servers:
  - url: https://www.atom.com/api
    description: Production server
  - url: https://dev.atom.com/api
    description: Development server
security:
  - BearerAuth: []
paths:
  /registrar/v1/contacts:
    get:
      tags:
        - Contacts
      summary: List contacts
      description: >-
        Returns all contact handles associated with the authenticated user — the
        primary registrant contact (RegistrantUser) plus any additional contact
        handles.
      operationId: listContacts
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                    example: true
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/ContactObject'
                  total:
                    type: integer
                    example: 2
        '401':
          $ref: '#/components/responses/UnauthorizedError'
        '500':
          $ref: '#/components/responses/InternalServerError'
      security:
        - BearerAuth: []
components:
  schemas:
    ContactObject:
      type: object
      properties:
        handle:
          type: string
          description: Unique registrar contact handle
          example: ATOM-12345
        type:
          type: string
          enum:
            - registrant_user
            - contact_handle
          description: >-
            Whether this is the primary registrant contact or an additional
            handle
          example: registrant_user
        label:
          type: string
          nullable: true
          description: Optional human-readable label for the contact
          example: My Business Contact
        name:
          type: string
          example: Jane Doe
        email:
          type: string
          format: email
          example: jane@example.com
        phone:
          type: string
          example: '+1.2025551234'
        fax:
          type: string
          nullable: true
          example: null
        organization:
          type: string
          nullable: true
          example: Acme Corp
        address:
          type: array
          items:
            type: string
          example:
            - 123 Main St
            - Suite 400
        city:
          type: string
          example: Chicago
        state:
          type: string
          nullable: true
          example: IL
        zip:
          type: string
          example: '60601'
        country:
          type: string
          description: ISO 3166-1 alpha-2 country code
          example: US
        disclosed_fields:
          type: array
          items:
            type: string
          description: WHOIS fields disclosed publicly
          example:
            - name
            - email
        verified:
          type: boolean
          example: false
    ErrorResponse:
      type: object
      properties:
        success:
          type: boolean
          example: false
        error:
          type: string
          example: Bad Request
        message:
          type: string
          example: Invalid input provided
  responses:
    UnauthorizedError:
      description: Authentication failed - invalid or revoked API token
      content:
        application/json:
          schema:
            type: object
            properties:
              success:
                type: boolean
                example: false
              error:
                type: string
                example: Unauthorized
              message:
                type: string
                example: >-
                  Invalid registrar API token or access has been revoked. Please
                  request registrar API access from your dashboard.
    InternalServerError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: >-
        Registrar API Bearer token. Obtain from dashboard at
        /dashboard/seller/api-access after requesting Registrar API access.

````