SimilarWeb App Intelligence API

openapi: 3.0.3
info:
  title: SimilarWeb Batch Account App Intelligence API
  description: The SimilarWeb Batch API is optimized for large-scale bulk data extraction, supporting asynchronous jobs of up to one million domains per request. It delivers data to cloud storage destinations including Amazon S3, Google Cloud Storage, and Snowflake. The API covers website traffic, keywords, referrals, geography, segments, apps, companies, e-commerce, and technographics datasets.
  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: App Intelligence
  description: Mobile app downloads, active users, sessions, and demographics
paths:
  /v5/apps/google/downloads:
    get:
      operationId: getAppDownloadsAndroid
      summary: App Downloads (Android) - New
      description: Retrieve Android app download estimates. Supports daily, weekly, and monthly granularity.
      tags:
      - App Intelligence
      security:
      - apiKeyQuery: []
      parameters:
      - $ref: '#/components/parameters/apiKeyQuery'
      - name: app_id
        in: query
        required: true
        schema:
          type: string
        description: Android app package name (e.g., com.whatsapp)
      - $ref: '#/components/parameters/startDate'
      - $ref: '#/components/parameters/endDate'
      - $ref: '#/components/parameters/country'
      - $ref: '#/components/parameters/granularity'
      - $ref: '#/components/parameters/format'
      - $ref: '#/components/parameters/mtd'
      responses:
        '200':
          description: App downloads time series
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AppDownloadsResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
  /v5/apps/apple/downloads:
    get:
      operationId: getAppDownloadsIos
      summary: App Downloads (iOS) - New
      description: Retrieve iOS app download estimates. Supports daily, weekly, and monthly granularity.
      tags:
      - App Intelligence
      security:
      - apiKeyQuery: []
      parameters:
      - $ref: '#/components/parameters/apiKeyQuery'
      - name: app_id
        in: query
        required: true
        schema:
          type: string
        description: iOS app bundle ID
      - $ref: '#/components/parameters/startDate'
      - $ref: '#/components/parameters/endDate'
      - $ref: '#/components/parameters/country'
      - $ref: '#/components/parameters/granularity'
      - $ref: '#/components/parameters/format'
      - $ref: '#/components/parameters/mtd'
      responses:
        '200':
          description: App downloads time series
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AppDownloadsResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
components:
  parameters:
    startDate:
      name: start_date
      in: query
      required: false
      schema:
        type: string
        pattern: ^\d{4}-\d{2}$
        example: 2024-01
      description: Start month in YYYY-MM format
    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
    mtd:
      name: mtd
      in: query
      required: false
      schema:
        type: string
        enum:
        - 'true'
        - 'false'
      description: Month-to-date mode; use with daily granularity
    format:
      name: format
      in: query
      required: false
      schema:
        type: string
        enum:
        - json
        - xml
        default: json
      description: Response format
    apiKeyQuery:
      name: api_key
      in: query
      required: true
      schema:
        type: string
      description: SimilarWeb API authentication key
    country:
      name: country
      in: query
      required: false
      schema:
        type: string
        example: us
      description: 2-letter ISO 3166-1 alpha-2 country code or "world"
    granularity:
      name: granularity
      in: query
      required: false
      schema:
        type: string
        enum:
        - daily
        - weekly
        - monthly
      description: Temporal resolution for time series data
  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
    AppDownloadsResponse:
      type: object
      properties:
        meta:
          $ref: '#/components/schemas/MetaObject'
        downloads:
          type: array
          items:
            type: object
            properties:
              date:
                type: string
                format: date
              downloads:
                type: integer
                description: Estimated download count for the period
  responses:
    BadRequest:
      description: Bad request - invalid parameters or missing required fields
      content:
        application/json:
          schema:
            type: object
  securitySchemes:
    apiKeyHeader:
      type: apiKey
      in: header
      name: api-key
      description: SimilarWeb API key passed as a request header
externalDocs:
  description: SimilarWeb Batch API Documentation
  url: https://developers.similarweb.com/docs/intro-to-the-batch-api-datasets.md