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

# Check the DNS zone availability



## OpenAPI

````yaml https://core-api-public-docs.b-cdn.net/docs/v3/public.json post /dnszone/checkavailability
openapi: 3.0.0
info:
  title: bunny.net API
  description: >-
    <img src='https://bunny.net/v2/images/bunnynet-logo-dark.svg' style='width:
    200px;' alt='bunny.net Logo'>
                   Learn how to use the [bunny.net](https://bunny.net "bunny.net - The content delivery platform that truly hops.") API. Everything that can be done with the control panel can also be achieved with our API documented on this page. To learn how to use the storage API, have a look at our <a href='https://bunnycdnstorage.docs.apiary.io/#'>storage API documentation</a>
                   <h2>Third party API clients:</h2> 
                   <br/>
                   We currently do not maintain an official API library, but you can use one of the third party ones provided here:<br/><br/>
                   <a rel='nofollow' href='https://github.com/codewithmark/bunnycdn'>https://github.com/codewithmark/bunnycdn</a> (bunny.net PHP library, thanks to <a rel="nofollow" href='https://codewithmark.com'>Code With Mark</a>)
                   <br/><br/>
                   <i style='font-size: 11px;'><b>Note that third party clients are not maintained or developed by bunny.net so we unfortunately cannot offer support for them.</b></i>
  termsOfService: https://bunny.net/tos
  contact:
    name: bunny.net
    url: https://docs.bunny.net
    email: support@bunny.net
  version: 1.0.0
servers:
  - url: https://api.bunny.net
    description: bunny.net API Server
security:
  - AccessKey: []
tags:
  - name: Stream Video Library
  - name: User
  - name: AuditLog
  - name: Storage Zone
  - name: Statistics
  - name: Search
  - name: Pull Zone
  - name: Pricing
  - name: Load Balancer
  - name: DNS Zone
  - name: DNSSEC
  - name: Billing
  - name: API Keys
  - name: Affiliate
  - name: Countries
  - name: Purge
  - name: Region
paths:
  /dnszone/checkavailability:
    post:
      tags:
        - DNS Zone
      summary: Check the DNS zone availability
      operationId: DnsZonePublic_CheckAvailability
      requestBody:
        x-name: dnsZoneRequest
        description: The zone that will be checked
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ZoneAvailabilityRequestModel'
        required: true
        x-position: 1
      responses:
        '200':
          description: Returns the model determinining if the zone is available or not
        '400':
          description: Failed checking the zone availability
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorData'
        '401':
          description: The request authorization failed
        '500':
          description: Internal Server Error
components:
  schemas:
    ZoneAvailabilityRequestModel:
      type: object
      additionalProperties: false
      properties:
        Name:
          type: string
          description: Determines the name of the zone that we are checking
          nullable: true
    ApiErrorData:
      type: object
      additionalProperties: false
      properties:
        ErrorKey:
          type: string
          nullable: true
        Field:
          type: string
          nullable: true
        Message:
          type: string
          nullable: true
  securitySchemes:
    AccessKey:
      type: apiKey
      description: API Access Key authorization header
      name: AccessKey
      in: header

````

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