SimilarWeb Traffic Sources API

openapi: 3.2.0
info:
  title: SimilarWeb REST Traffic Sources 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: Traffic Sources
  description: Marketing channel traffic breakdown including organic, paid, referral, social, and display
paths:
  /v1/website/{domain_name}/traffic-sources/overview-share:
    get:
      operationId: getTrafficSourcesOverview
      summary: Visits by Marketing Channel - Desktop
      description: Retrieve desktop visits broken down by marketing channel (Search, Social, Mail, Display Ads, Direct, Referrals) including organic and paid splits.
      tags:
      - Traffic Sources
      security:
      - apiKeyQuery: []
      parameters:
      - $ref: '#/components/parameters/domainName'
      - $ref: '#/components/parameters/apiKeyQuery'
      - $ref: '#/components/parameters/country'
      - $ref: '#/components/parameters/granularity'
      - $ref: '#/components/parameters/startDate'
      - $ref: '#/components/parameters/endDate'
      - $ref: '#/components/parameters/mainDomainOnly'
      - $ref: '#/components/parameters/format'
      - $ref: '#/components/parameters/mtd'
      responses:
        '200':
          description: Traffic sources breakdown
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TrafficSourcesResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
components:
  responses:
    BadRequest:
      description: Bad request - invalid parameters or missing required fields
      content:
        application/json:
          schema:
            type: object
  parameters:
    endDate:
      name: end_date
      in: query
      required: false
      schema:
        type: string
        pattern: ^\d{4}-\d{2}$
        example: 2024-06
      description: End month in YYYY-MM format
    granularity:
      name: granularity
      in: query
      required: false
      schema:
        type: string
        enum:
        - daily
        - weekly
        - monthly
      description: Temporal resolution for time series data
    format:
      name: format
      in: query
      required: false
      schema:
        type: string
        enum:
        - json
        - xml
        default: json
      description: Response 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
    apiKeyQuery:
      name: api_key
      in: query
      required: true
      schema:
        type: string
      description: SimilarWeb API authentication key
    domainName:
      name: domain_name
      in: path
      required: true
      schema:
        type: string
        example: example.com
      description: Website domain without 'www.' prefix
    mainDomainOnly:
      name: main_domain_only
      in: query
      required: false
      schema:
        type: string
        enum:
        - 'true'
        - 'false'
        default: 'false'
      description: Return main domain only (true) or include subdomains (false)
    country:
      name: country
      in: query
      required: false
      schema:
        type: string
        example: us
      description: 2-letter ISO 3166-1 alpha-2 country code or "world"
    mtd:
      name: mtd
      in: query
      required: false
      schema:
        type: string
        enum:
        - 'true'
        - 'false'
      description: Month-to-date mode; use with daily granularity
  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
    TrafficSourcesResponse:
      type: object
      properties:
        meta:
          $ref: '#/components/schemas/MetaObject'
        visits:
          type: object
          description: Domain-keyed object with source type arrays
          additionalProperties:
            type: array
            items:
              type: object
              properties:
                source_type:
                  type: string
                  description: Channel name (Search, Social, Mail, Display Ads, Direct, Referrals)
                visits:
                  type: array
                  items:
                    type: object
                    properties:
                      date:
                        type: string
                        format: date
                      organic:
                        type: number
                      paid:
                        type: number
  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/