SimilarWeb App Intelligence API

Mobile app downloads, active users, sessions, and demographics

Documentation GitHub OpenAPI

Business capability

Market Intelligence Management BC-400.30

Operations 2

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

GET /v5/apps/google/downloads Get download estimates for an Android app · App Downloads (Android) - New #

Ask an LLM

“How many downloads does an Android app get on Google Play each month?”

“Can I see daily download estimates for a Google Play app in one country?”

Tell an agent

Get Android download estimates for package {app_id}.

Show daily Google Play downloads for {app_id} in {country} from {start_date} to {end_date}.

GET /v5/apps/apple/downloads Get download estimates for an iOS app · App Downloads (iOS) - New #

Ask an LLM

“How many App Store downloads does an iPhone app get?”

“Can I get weekly download estimates for an iOS app by bundle ID?”

Tell an agent

Get iOS App Store download estimates for bundle ID {app_id}.

Show weekly iOS downloads for {app_id} in {country} with {granularity} granularity.

Documentation

📖

Documentation

https://developers.similarweb.com/

📖

GettingStarted

https://developers.similarweb.com/docs/getting-started

📖

Authentication

https://developers.similarweb.com/docs/authentication

📖

RateLimits

https://developers.similarweb.com/docs/rate-limit

Specifications

⚙

OpenAPI

https://raw.githubusercontent.com/api-evangelist/similarweb/refs/heads/main/openapi/similarweb-app-intelligence-api-openapi.yml

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OpenAPI Specification

openapi: 3.2.0
info:
  title: SimilarWeb REST App Intelligence 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: 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':
          $ref: '#/components/responses/BadRequest'
components:
  parameters:
    endDate:
      name: end_date
      in: query
      required: false
      schema:
        type: string
        pattern: ^\d{4}-\d{2}$
        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
    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
    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:
    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/