SimilarWeb Keywords API
Keyword analytics including organic and paid keyword data
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OpenAPI Specification
openapi: 3.2.0
info:
title: SimilarWeb REST Keywords API
description: The SimilarWeb REST API provides real-time access to digital intelligence data covering website traffic and engagement metrics, traffic source breakdowns, audience demographics, keyword and search intelligence, mobile app performance, technographic data, e-commerce shopper behavior, company firmographics, and rank tracking. Authentication is via API key and usage is metered on a data credit model.
version: 4.0.0
termsOfService: https://www.similarweb.com/corp/legal/terms-of-use/
contact:
name: SimilarWeb Support
url: https://support.similarweb.com/hc/en-us/articles/22089555897373-REST-API
license:
name: Proprietary
url: https://www.similarweb.com/corp/legal/terms-of-use/
servers:
- url: https://api.similarweb.com
description: SimilarWeb API server
tags:
- name: Keywords
description: Keyword analytics including organic and paid keyword data
paths:
/v4/website-analysis/keywords:
get:
operationId: getWebsiteKeywords
summary: Website Keywords
description: Retrieve organic and paid keyword data for a domain including traffic share, difficulty, competition, CPC, and SERP features.
tags:
- Keywords
security:
- apiKeyQuery: []
parameters:
- $ref: '#/components/parameters/apiKeyQuery'
- name: URL
in: query
required: true
schema:
type: string
description: Domain without 'www.' prefix
- $ref: '#/components/parameters/startDate'
- $ref: '#/components/parameters/endDate'
- $ref: '#/components/parameters/country'
- name: traffic_source
in: query
required: false
schema:
type: string
enum:
- Organic
- Paid
- All
default: All
description: Filter by traffic source type
- name: web_source
in: query
required: false
schema:
type: string
enum:
- Desktop
- MobileWeb
- Total
default: Total
description: Device type filter
- name: branded_type
in: query
required: false
schema:
type: string
enum:
- Branded
- NonBranded
- All
default: All
description: Filter branded or non-branded keywords
- $ref: '#/components/parameters/limit'
- $ref: '#/components/parameters/offset'
responses:
'200':
description: Keyword data
content:
application/json:
schema:
$ref: '#/components/schemas/WebsiteKeywordsResponse'
'400':
$ref: '#/components/responses/BadRequest'
components:
parameters:
endDate:
name: end_date
in: query
required: false
schema:
type: string
pattern: ^\d{4}-\d{2}$
example: 2024-06
description: End month in YYYY-MM format
startDate:
name: start_date
in: query
required: false
schema:
type: string
pattern: ^\d{4}-\d{2}$
example: 2024-01
description: Start month in YYYY-MM format
country:
name: country
in: query
required: false
schema:
type: string
example: us
description: 2-letter ISO 3166-1 alpha-2 country code or "world"
offset:
name: offset
in: query
required: false
schema:
type: integer
default: 0
description: Starting position for paginated results
limit:
name: limit
in: query
required: false
schema:
type: integer
default: 100
description: Maximum number of results to return
apiKeyQuery:
name: api_key
in: query
required: true
schema:
type: string
description: SimilarWeb API authentication key
schemas:
MetaObject:
type: object
description: Standard response metadata
properties:
request:
type: object
description: Echo of the original request parameters
status:
type: string
description: Request status (Success or error)
last_updated:
type: string
format: date
description: Timestamp of the most recent data update
WebsiteKeywordsResponse:
type: object
properties:
meta:
$ref: '#/components/schemas/MetaObject'
keywords_count:
type: integer
description: Total number of keywords available
keywords:
type: array
items:
$ref: '#/components/schemas/KeywordRecord'
KeywordRecord:
type: object
properties:
keyword:
type: string
clicks:
type: number
traffic_share:
type: number
difficulty:
type: number
competition:
type: number
primary_intent:
type: string
secondary_intent:
type: string
volume:
type: number
cpc:
type: number
description: Average cost-per-click in USD
cpc_low_bid:
type: number
cpc_high_bid:
type: number
zero_clicks_share:
type: number
position:
type: number
serp_features:
type: array
items:
type: string
top_url:
type: string
responses:
BadRequest:
description: Bad request - invalid parameters or missing required fields
content:
application/json:
schema:
type: object
securitySchemes:
apiKeyQuery:
type: apiKey
in: query
name: api_key
description: SimilarWeb API key passed as a query parameter
apiKeyHeader:
type: apiKey
in: header
name: api-key
description: SimilarWeb API key passed as a request header
externalDocs:
description: SimilarWeb Developer Documentation
url: https://developers.similarweb.com/