> ## 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.

# Request External DNS Certificate



## OpenAPI

````yaml https://core-api-public-docs.b-cdn.net/docs/v3/public.json post /pullzone/requestExternalDnsCertificate
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:
  /pullzone/requestExternalDnsCertificate:
    post:
      tags:
        - Pull Zone
      summary: Request External DNS Certificate
      operationId: PullZonePublic_RequestExternalDnsCertificate
      requestBody:
        x-name: req
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ExternalDnsCertificateRequest'
        required: true
        x-position: 1
      responses:
        '200':
          description: The TXT record details for DNS verification
          content:
            application/json:
              schema: {}
        '400':
          description: The request was invalid
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorData'
        '401':
          description: The request authorization failed
        '404':
          description: The hostname was not found in the account
        '429':
          description: >-
            Too many certificate requests for this hostname; retry after the
            Retry-After interval
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorData'
        '500':
          description: Internal Server Error
components:
  schemas:
    ExternalDnsCertificateRequest:
      type: object
      additionalProperties: false
      required:
        - Hostname
      properties:
        Hostname:
          type: string
          minLength: 1
    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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