> ## 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.

# Update domain nameservers

> Update nameservers for a domain. Supports atom, parking, or custom nameservers. Automatically disables DNSSEC if switching nameserver types.



## OpenAPI

````yaml PUT /registrar/v1/domains/{domain_name}/nameservers
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/domains/{domain_name}/nameservers:
    put:
      summary: Update domain nameservers
      description: >-
        Update nameservers for a domain. Supports atom, parking, or custom
        nameservers. Automatically disables DNSSEC if switching nameserver
        types.
      parameters:
        - name: domain_name
          in: path
          description: Domain name (e.g., 'example.com')
          required: true
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/NameserversUpdateRequest'
      responses:
        '200':
          description: Nameservers updated successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NameserversResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/UnauthorizedError'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
components:
  schemas:
    NameserversUpdateRequest:
      type: object
      required:
        - type
      properties:
        type:
          type: string
          enum:
            - atom
            - parking
            - custom
          example: custom
          description: >-
            Nameserver type: 'atom' uses Atom nameservers, 'parking' uses
            parking nameservers, 'custom' requires nameservers array
        nameservers:
          type: array
          items:
            type: string
          description: Required if type is 'custom'. Array of nameserver hostnames.
          example:
            - ns1.example.com
            - ns2.example.com
    NameserversResponse:
      type: object
      properties:
        success:
          type: boolean
          example: true
        data:
          type: object
          properties:
            domain_name:
              type: string
              example: example.com
            nameservers:
              type: array
              items:
                type: string
              example:
                - ns1.atom.com
                - ns2.atom.com
            type:
              type: string
              enum:
                - atom
                - parking
                - custom
              example: atom
    ErrorResponse:
      type: object
      properties:
        success:
          type: boolean
          example: false
        error:
          type: string
          example: Bad Request
        message:
          type: string
          example: Invalid input provided
  responses:
    BadRequest:
      description: Bad request - invalid parameters
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    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.
    Forbidden:
      description: Forbidden - operation not allowed for this domain
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    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.

````