RuStore API for application installation

• URL for human-readable application info page has format https://www.rustore.ru/catalog/app/{packageName}.
• Application info as a JSON object is available at URL https://backapi.rustore.ru/applicationData/overallInfo/{packageName}.
• APK reference URL is https://backapi.rustore.ru/applicationData/download-link. It accepts only POST requests (see below).

Application info

Application info JSON object has following fields:

• code: contains string OK (on success).
• message: contains string OK (on success).
• timestamp: ISO-8601 timestamp (seems to be time of object retrieval).
• body: application info subobject, containing:
  • appId: numeric application ID (required for APK retrieval).
  • packageName: package name, as in the URL.
  • appName: human-readable application name.
  • category, categories: main application category and an array of all application categories.
  • companyName: human-readable company name.
  • shortDescription: human-readable short application description (one line).
  • fullDescription: human-readable application description (may contain "\n").
  • fileSize: expected APK size?
  • versionName: human-readable version string.
  • versionCode: numeric version number (sequential?).
  • minSdkVersion, targetSdkVersion, maxSdkVersion: numeric Android SDK version limitations.
  • whatsNew: human-readable "What's New?" section (may contain "\n").
  • iconUrl: full URL to application icon (PNG?).
  • fileUrls: an array of screenshots (and other references?). Each element is an object containing:
    • fileUrl: full URL to screenshot (PNG?).
    • ordinal: numeric ordinal number.
    • type: resource type ("SCREENSHOT" for screenshots).
    • orientation: image orientation ("PORTRAIT" for portrait).
  • appType: ??? (I've seen "MAIN").
  • website: full URL to application home page.
  • signature: ??? (some sort of hash).
  • privacyDataCategories: ??? (an array).
  • adaptedToTablets: boolean flag (?).
  • companyLegalForm: ??? (I've seen "ENTITY").
  • downloads: numeric ??? (seems to be an approximate number of downloads).
  • price: numeric (?).
  • purchased: ??? (I've seen null).
  • appVerUpdatedAt: ISO-8601 timestamp.
  • inAppUpdatePriority: numeric (?).
  • banner: ??? (I've seen null).
  • aggregatorInfo: ??? (I've seen null).
  • video: ??? (I've seen null).
  • publicCompanyId: ??? (string).
  • createdAt: ISO-8601 timestamp (no timezone).
  • updatedAt: ISO-8601 timestamp (no timezone).
  • activeVerCode: numeric (seems to be the same as versionCode).
  • migrationGuideLink: ??? (I've seen null).
  • labelIds: ??? (array).
  • ageRestriction: an object containing:
    • category: string (I've seen "0+").
    • name: human-readable string corresponding to category.
    • description: human-readable string containing category description.
    • imageUrl: full URL to category icon (SVG).
  • markings: ??? (array).
  • seoTags: ??? (array).

APK retrieval

Once application info is known, the latest APK reference can be retrieved by sending a POST request to URL https://backapi.rustore.ru/applicationData/download-link:

• The request must include header Content-Type: application/json; charset=utf-8.
• The request body is a JSON object containing:
  • appId: numeric application ID (see application info above).
  • firstInstall: boolean true.
• The response is a JSON object containing:
  • code: contains string OK (on success).
  • message: contains string OK (on success).
  • timestamp: ISO-8601 timestamp (seems to be time of object retrieval).
  • body: APK reference subobject, containing:
    • appId: numeric application ID.
    • apkUrl: full URL to the APK.
    • versionCode: numeric version number (see application info above).

After that the APK can be downloaded from the URL provided in body.apkUrl.