DomScan Domain Suggestions API
AI-powered domain name suggestions with availability checking
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OpenAPI Specification
openapi: 3.2.0
info:
title: DomScan Domain Suggestions API
description: DomScan is a domain intelligence API providing domain analysis tools.
version: 2.15.0
contact:
name: DomScan Support
url: https://domscan.net
email: support@domscan.net
termsOfService: https://domscan.net/legal/terms
license:
name: MIT
url: https://opensource.org/licenses/MIT
servers:
- url: https://domscan.net
description: Production server
security:
- apiKey: []
tags:
- name: Domain Suggestions
description: AI-powered domain name suggestions with availability checking
paths:
/v1/suggest:
get:
tags:
- Domain Suggestions
summary: Get AI domain suggestions
description: Generate AI-powered domain name suggestions based on keywords, with optional availability checking
operationId: suggestDomains
parameters:
- name: keywords
in: query
required: true
description: Comma-separated keywords (max 10)
schema:
type: string
example: crypto,wallet,finance
- name: tlds
in: query
description: 'Target TLDs (default: com,io,ai,co,app)'
schema:
type: string
example: com,io
- name: style
in: query
description: Suggestion style preference
schema:
type: string
enum:
- brandable
- keyword-rich
- short
- pronounceable
- techy
- playful
- professional
- minimal
default: brandable
- name: industry
in: query
description: Industry for targeted suggestions
schema:
type: string
enum:
- tech
- finance
- health
- ecommerce
- education
- media
- saas
- crypto
- ai
- gaming
- name: language
in: query
description: Language for prefixes/suffixes (romanized for non-Latin scripts). 30 languages supported.
schema:
type: string
enum:
- en
- zh
- es
- ja
- de
- fr
- pt
- it
- ko
- ru
- ar
- hi
- bn
- id
- ms
- th
- vi
- tr
- pl
- nl
- sv
- da
- 'no'
- fi
- el
- cs
- hu
- ro
- uk
- he
default: en
example: es
- name: limit
in: query
description: Max suggestions (1-100)
schema:
type: integer
default: 20
minimum: 1
maximum: 100
- name: check
in: query
description: Check availability of suggestions
schema:
type: boolean
default: true
responses:
'200':
description: Domain suggestions
content:
application/json:
schema:
$ref: '#/components/schemas/SuggestResponse'
'401':
$ref: '#/components/responses/Unauthorized'
'402':
$ref: '#/components/responses/PaymentRequired'
'429':
$ref: '#/components/responses/RateLimited'
x-domscan-credits:
model: per_request
default: 5
variants:
- parameter: check
equals: false
credits: 2
note: 2 credits when check=false; 5 credits when availability is checked.
components:
responses:
Unauthorized:
description: 'Authentication required. All API endpoints require a valid API key (x-api-key header or Authorization: Bearer) or an active session cookie.'
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
example:
error:
code: AUTH_REQUIRED
message: 'Authentication required. Provide an API key via x-api-key header or Authorization: Bearer header.'
docs: https://domscan.net/docs/authentication
get_key: https://domscan.net/login
PaymentRequired:
description: Insufficient credits for this request
headers:
X-Credits-Remaining:
schema:
type: integer
description: Credits remaining on your API key
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
example:
error:
code: INSUFFICIENT_CREDITS
message: Insufficient credits. This endpoint costs 2 credits but you have 0. Purchase more at https://domscan.net/billing or wait for your monthly reset.
credits_remaining: 0
credits_required: 2
purchase_url: https://domscan.net/billing
RateLimited:
description: Rate limit exceeded. Free accounts can sustain 120 requests per minute per account with a burst capacity of 60. Free bulk traffic is additionally limited to 20 requests per minute per account across all bulk endpoints and 100 per minute per IPv4 address or IPv6 /56 network. Paid accounts can sustain 600 requests per minute with a burst capacity of 120.
headers:
Retry-After:
schema:
type: integer
description: Seconds to wait before retrying
X-RateLimit-Plan:
schema:
type: string
enum:
- free
- paid
description: The account plan whose policy was applied.
X-RateLimit-Limit:
schema:
type: integer
description: The immediate burst capacity, or the active bulk fixed-window limit when a bulk-specific limit is exceeded.
X-RateLimit-Remaining:
schema:
type: integer
example: 0
description: Immediate burst tokens remaining, or requests remaining in the active bulk fixed window.
X-RateLimit-Policy:
schema:
type: string
description: Machine-readable summary of the active tier and limit policy.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
example:
error:
code: RATE_LIMITED
message: Rate limit exceeded. Please wait before making more requests.
schemas:
SuggestResponse:
type: object
description: AI domain suggestions response
properties:
suggestions:
type: array
items:
type: object
properties:
name:
type: string
description: Suggested domain name
domain:
type: string
description: Full domain with TLD
tld:
type: string
description: Suggested TLD
score:
type: integer
description: Quality score 0-100
available:
type:
- boolean
- 'null'
description: Availability status if checked; null when live evidence is inconclusive
method:
type: string
description: Generation method used
keywords:
type: array
items:
type: string
description: Input keywords used
tlds:
type: array
items:
type: string
styles:
type: array
items:
type: string
industry:
type:
- string
- 'null'
enum:
- tech
- finance
- health
- ecommerce
- education
- media
- saas
- crypto
- ai
- gaming
language:
type: string
generated_count:
type: integer
available_count:
type:
- integer
- 'null'
generation_summary:
$ref: '#/components/schemas/SuggestGenerationSummary'
meta:
type: object
properties:
total_generated:
type: integer
available_count:
type: integer
generation_ms:
type: integer
ErrorResponse:
type: object
description: Standard error response format
properties:
error:
type: object
properties:
code:
type: string
description: Error code for programmatic handling
example: INVALID_DOMAIN
type:
type: string
enum:
- authentication_error
- credits_error
- permission_error
- not_found_error
- conflict_error
- rate_limit_error
- timeout_error
- validation_error
- upstream_error
- api_error
- request_error
description: Stable error category used by official SDK subclasses
message:
type: string
description: Human-readable error message
example: Invalid domain format
status:
type: integer
minimum: 400
maximum: 599
description: HTTP status repeated in the JSON error for queue and log processors
retryable:
type: boolean
description: Whether retrying can be appropriate after applying retry guidance
request_id:
type: string
description: Request identifier matching the X-Request-Id response header
suggestion:
type: string
description: Suggestion for fixing the error
details:
type: object
description: Optional structured context for the error
additionalProperties: true
retry_after:
type: integer
minimum: 0
description: Seconds to wait before retrying when the error is temporary
example: 300
docs_url:
type: string
description: Link to relevant documentation
example: /docs#parameters
required:
- type
- code
- message
- status
- retryable
- request_id
- docs_url
SuggestGenerationSummary:
type: object
description: Additive generation source, style mix, availability coverage, and score summary for suggestions.
properties:
requested_limit:
type: integer
candidate_count:
type: integer
returned_count:
type: integer
availability_checked:
type: boolean
availability_check_count:
type: integer
available_count:
type:
- integer
- 'null'
tld_count:
type: integer
language:
type: string
method_counts:
type: object
additionalProperties:
type: integer
style_counts:
type: object
additionalProperties:
type: integer
top_method:
type:
- string
- 'null'
average_score:
type:
- integer
- 'null'
securitySchemes:
apiKey:
type: apiKey
in: header
name: x-api-key
description: 'API key for authentication. Get yours free at https://domscan.net. Also accepts Authorization: Bearer header.'
sessionCookie:
type: apiKey
in: cookie
name: session
description: Active DomScan browser session. Used by account-management endpoints.
externalDocs:
description: Full API Documentation
url: https://domscan.net/docs
x-rapidapi-product: domscan
x-domscan-rate-limits:
free:
general:
scope: account
sustained_requests_per_minute: 120
burst_capacity: 60
shared_across_api_keys_and_sessions: true
bulk:
scope: all bulk endpoints combined
account_requests_per_minute: 20
network_requests_per_minute: 100
ipv6_network_prefix: 56
paid:
general:
scope: API key for key-authenticated requests; IP for browser sessions
sustained_requests_per_minute: 600
burst_capacity: 120
free_bulk_budget_applies: false
response:
status: 429
retry_header: Retry-After
headers_on_every_authenticated_response:
- X-RateLimit-Plan
- X-RateLimit-Limit
- X-RateLimit-Remaining
- X-RateLimit-Policy
burst_headers:
- X-RateLimit-Limit
- X-RateLimit-Remaining
policy_header: X-RateLimit-Policy
x-domscan-response-metadata:
compatibility: additive response headers; established JSON success bodies are unchanged
headers:
X-Request-Id: Unique request identifier for logs and support
X-API-Version: DomScan API release version
X-Response-Time: Server processing duration in milliseconds
X-Credits-Requested: Credits requested before refund settlement
X-Credits-Charged: Credits retained after settlement
X-Credits-Refunded: Credits returned during settlement
X-Credits-Remaining: Authenticated account balance after the request
X-Data-Freshness: fresh, cached, stale, mixed, or unknown
X-RateLimit-Limit: Active burst capacity
X-RateLimit-Remaining: Remaining burst capacity
X-RateLimit-Plan: Active plan, or not_applicable before authentication
X-RateLimit-Policy: Machine-readable active rate policy