WhoisFreaks Domain Availability API

openapi: 3.2.0
info:
  title: WhoisFreaks Domain Availability API
  description: 'Complete WhoisFreaks API — WHOIS, DNS, SSL, Geolocation, Typosquatting,

    IP Intelligence, Domain Reputation, and bulk database downloads.


    ## Authentication

    All requests require an `apiKey` query parameter.


    ## Resources

    - Docs: https://whoisfreaks.com/documentation

    - Billing: https://billing.whoisfreaks.com

    - Support: support@whoisfreaks.com

    '
  version: 1.0.0
  contact:
    name: WhoisFreaks Support
    email: support@whoisfreaks.com
    url: https://whoisfreaks.com
  license:
    name: MIT
    url: https://opensource.org/licenses/MIT
servers:
- url: https://api.whoisfreaks.com
  description: API Solutions (live lookups)
- url: https://files.whoisfreaks.com
  description: Database file downloads
security:
- ApiKeyAuth: []
tags:
- name: Domain Availability
  description: Check domain availability
paths:
  /v2.0/domain/availability:
    get:
      tags:
      - Domain Availability
      summary: Domain Availability Check with Suggestions
      description: Check availability of a single domain and optionally get suggestions across multiple TLDs. 1 credit per domain checked. sug=false checks only the queried domain; sug=true returns up to `count` (max 100) TLD suggestions.
      operationId: domainAvailabilityV2
      parameters:
      - name: domain
        in: query
        schema:
          type: string
        required: true
        description: The domain name to check
        example: google.com
      - name: sug
        in: query
        schema:
          type: boolean
          default: false
        description: Whether to return TLD suggestions alongside the queried domain.
      - name: count
        in: query
        schema:
          type: integer
          default: 5
          minimum: 1
          maximum: 100
        description: Number of TLD suggestions to return when sug=true. Maximum is 100.
      - $ref: '#/components/parameters/Format'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DomainAvailabilityResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
    post:
      tags:
      - Domain Availability
      summary: Bulk Domain Availability Check
      description: 'Two bulk modes. Mode 1: POST domainNames array. Mode 2: POST tld array plus domain query param. Max 100 domains per request. 1 credit per domain checked.'
      operationId: bulkDomainAvailabilityV2
      parameters:
      - name: domain
        in: query
        schema:
          type: string
        description: Required for TLD-mode bulk check (base domain).
        example: google.com
      - $ref: '#/components/parameters/Format'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BulkDomainAvailabilityRequest'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BulkDomainAvailabilityResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
components:
  parameters:
    Format:
      name: format
      in: query
      schema:
        type: string
        enum:
        - json
        - xml
        default: json
  responses:
    RateLimited:
      description: Too many requests
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    BadRequest:
      description: Bad request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Unauthorized:
      description: Invalid API key
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  schemas:
    DomainAvailabilityResponse:
      type: object
      properties:
        domain:
          type: string
        availability:
          type: string
        message:
          type: string
        domain_available_response:
          type: array
          items:
            $ref: '#/components/schemas/DomainAvailabilityItem'
      additionalProperties: true
    BulkDomainAvailabilityResponse:
      type: object
      properties:
        bulk_domain_availability_response:
          type: array
          items:
            $ref: '#/components/schemas/DomainAvailabilityItem'
      additionalProperties: true
    DomainAvailabilityItem:
      type: object
      properties:
        domain:
          type: string
        availability:
          type: string
        status:
          type: boolean
      additionalProperties: true
    BulkDomainAvailabilityRequest:
      type: object
      properties:
        domainNames:
          type: array
          items:
            type: string
          maxItems: 100
          description: Mode 1 — list of full domain names. Cannot be used with tld.
        tld:
          type: array
          items:
            type: string
          maxItems: 100
          description: Mode 2 — TLDs to check against the domain query param. Cannot be used with domainNames.
      description: Request body for POST /v2.0/domain/availability. Use domainNames OR tld.
      additionalProperties: true
    ErrorResponse:
      type: object
      properties:
        timestamp:
          type: string
        path:
          type: string
        status: {}
        error:
          type: string
        message:
          type: string
        code:
          type: integer
      additionalProperties: true
      description: Error response. `status` may be an integer (e.g. 401), boolean, or string depending on the endpoint, so it is intentionally untyped to avoid deserialization failures.
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: query
      name: apiKey