Bluestacks

BlueStacks is the Android app player and mobile-cloud gaming platform operated by now.gg, Inc. (Campbell, California). The consumer product runs Android apps and games on Windows and macOS, while the now.gg mobile cloud streams the same titles in a browser. The developer-facing surface is published at docs.now.gg and is built around nowStudio (the publisher console) and nowSDK (Unity and native Android modules for Payments, User Account Service, Rewarded Ads, Events and Utility). Two server-side REST surfaces are documented publicly: a User Account Service OAuth 2.0 API on now.gg for token generation, token verification, user info and session info, and a Payments API on payments-api.now.gg for server-side purchase verification, consumption and subscription acknowledgement. now.gg also calls developer-hosted webhooks for subscription and webshop order events, ships an official nowgg CLI on PyPI for uploading app builds, and publishes an embeddable JavaScript module for running cloud games in an iframe. BlueStacks AI is a separate, newer product line that packages a sandboxed local runtime for AI agents.

Bluestacks is listed with 2 APIs on the APIs.io network, including now.gg Payments Server API, and 1 more. Tagged areas include Company, Gaming, Cloud Gaming, Android, and Mobile.

The Bluestacks catalog on APIs.io includes 2 event-driven AsyncAPI specifications.

Bluestacks’ developer surface includes documentation, API reference, getting-started guide, developer console, signup flow, support, engineering blog, and 25 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

45.9/100 developing ▬ flat Agent 23/100 agent aware Front door AI 3/6 light Heartbeat 66/100 alive saas Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

2 APIs

Company Gaming Cloud Gaming Android Mobile Payments In-App Purchases Subscription Developer Platform App Distribution Advertising OAuth Authentication

Kin Score

Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0

Composite quality — 45.9/100 · developing

Contract Quality 9.1 / 21

Developer Ergonomics 13.4 / 17

Access Clarity 5.8 / 17

Operational Transparency 2.3 / 11

Contract Governance 0.0 / 10

Discoverability 6.2 / 9

Regulatory Posture 5.5 / 15

Agent readiness — 23/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 6 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Payments regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented)
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link

9 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 42.7 — up to +14.3 composite points
Access Clarity scores 34.2 — up to +13.2 composite points
Contract Governance scores 0.0 — up to +12.0 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/bluestacks/apis.yml: open an issue on github.com/api-evangelist/bluestacks to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Markets this provider is in provisional

The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.

Market	Position	Depth	Registered MCP server	Declares compatibility
Mobile SDK Publishers (Play SDK Index, CocoaPods, ADA certification)	undeclared	-	-	-

Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.

Standards implemented 3

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

OAuth

tagged — the provider's own APIs.json carries the standard as a tag; implementation not verified

AsyncAPI

measured — observed by APIs.io (published)

OAuth 2.0

measured — observed by APIs.io (declared)

APIs 2

Individual APIs this provider publishes, each with its own machine-readable definition.

now.gg User Account Service API

OAuth 2.0 identity API for now.gg Login. Publishers exchange an authorization code for a token and refresh_token, verify id_token/token server-side, and read user profile and se...

now.gg Payments Server API

Server-to-server in-app purchase API for publishers using now.gg Payments. Backends verify a purchase token (verifyPurchase), mark a consumable as consumed (consumePurchase) and...

Event Specifications 2

AsyncAPI definitions for this provider's event-driven and streaming APIs.

now.gg Payments Callbacks (derived)

Outbound webhook contract for now.gg Payments. now.gg POSTs subscription and webshop order events to an endpoint the publisher implements and registers in nowStudio. Derived by ...

ASYNCAPI

Bluestacks Payments Webhooks

ASYNCAPI

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Bluestacks Authentication

oauth2/http/apiKey · 5 schemes

SECURITY

Bluestacks Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Bluestacks Vulnerability Disclosure

Hackerone · security.txt · contact published

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Bluestacks Scopes

3 scopes · authorizationCode/refreshToken

3 scopes

SCOPES

Resources

Get Started 5

Portal, sign-up, and the first successful call

DeveloperPortal

GettingStarted

Console

SignUp

Sandbox

Documentation 3

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

AsyncAPI

AsyncAPI

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

WellKnown

WellKnown

LLMsTxt

LLMsTxt

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Components

Conventions

ErrorCatalog

Lifecycle

Conformance

Webhooks

Build 5

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

GitHubOrganization

Packages

SDKs

CLI

Access & Security 6

Authentication, authorization, and security posture

Authentication

Authentication

OAuthScopes

OAuthScopes

SecurityTxt

SecurityTxt

VulnerabilityDisclosure

VulnerabilityDisclosure

Security

Security

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: bluestacks
name: Bluestacks
description: 'BlueStacks is the Android app player and mobile-cloud gaming platform operated by now.gg, Inc. (Campbell, California).
  The consumer product runs Android apps and games on Windows and macOS, while the now.gg mobile cloud streams the same titles
  in a browser. The developer-facing surface is published at docs.now.gg and is built around nowStudio (the publisher console)
  and nowSDK (Unity and native Android modules for Payments, User Account Service, Rewarded Ads, Events and Utility). Two
  server-side REST surfaces are documented publicly: a User Account Service OAuth 2.0 API on now.gg for token generation,
  token verification, user info and session info, and a Payments API on payments-api.now.gg for server-side purchase verification,
  consumption and subscription acknowledgement. now.gg also calls developer-hosted webhooks for subscription and webshop order
  events, ships an official nowgg CLI on PyPI for uploading app builds, and publishes an embeddable JavaScript module for
  running cloud games in an iframe. BlueStacks AI is a separate, newer product line that packages a sandboxed local runtime
  for AI agents.'
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - authentication
  - scopes
  - security
  - sandbox
  generated: '2026-11-06'
  method: derived
image: https://cdn-www.bluestacks.com/bs-images/logo-icon.png
url: https://raw.githubusercontent.com/api-evangelist/bluestacks/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.23'
created: '2026-08-08'
modified: '2026-08-08'
tags:
- Company
- Gaming
- Cloud Gaming
- Android
- Mobile
- Payments
- In-App Purchases
- Subscription
- Developer Platform
- App Distribution
- Advertising
- OAuth
- Authentication
tags_raw:
- Company
- Gaming
- Cloud Gaming
- Android
- Mobile
- Payments
- In-App Purchases
- Subscriptions
- Developer Platform
- App Distribution
- Advertising
- OAuth
- Authentication
apis:
- name: now.gg User Account Service API
  description: OAuth 2.0 identity API for now.gg Login. Publishers exchange an authorization code for a token and refresh_token,
    verify id_token/token server-side, and read user profile and session information for the signed-in player. Documented
    base URL is https://now.gg with paths under /accounts/oauth2/v1/ and /accounts/users/v1/.
  humanURL: https://docs.now.gg/user-account-service/api-reference
  baseURL: https://now.gg
  tags:
  - Authentication
  - OAuth
  - Identity
  - User
  tags_raw:
  - Authentication
  - OAuth
  - Identity
  - Users
  properties:
  - type: Documentation
    url: https://docs.now.gg/user-account-service/overview
  - type: APIReference
    url: https://docs.now.gg/user-account-service/api-reference
  - type: GettingStarted
    url: https://docs.now.gg/user-account-service/start-integrating
  - type: Authentication
    url: authentication/bluestacks-authentication.yml
  - type: OAuthScopes
    url: scopes/bluestacks-scopes.yml
- name: now.gg Payments Server API
  description: Server-to-server in-app purchase API for publishers using now.gg Payments. Backends verify a purchase token
    (verifyPurchase), mark a consumable as consumed (consumePurchase) and acknowledge a subscription purchase (acknowledgePurchase).
    Authorization is a Payments API Key issued in nowStudio, sent in the Authorization header with application/x-www-form-urlencoded
    bodies. The v1 verifyPayment endpoint on payments.now.gg is deprecated in favour of v2 verifyPurchase.
  humanURL: https://docs.now.gg/payments/references
  baseURL: https://payments-api.now.gg
  tags:
  - Payments
  - In-App Purchases
  - Subscription
  - Billing
  tags_raw:
  - Payments
  - In-App Purchases
  - Subscriptions
  - Billing
  properties:
  - type: Documentation
    url: https://docs.now.gg/payments/payments-overview
  - type: APIReference
    url: https://docs.now.gg/payments/references
  - type: GettingStarted
    url: https://docs.now.gg/payments/getting-started
  - type: Webhooks
    url: asyncapi/bluestacks-payments-webhooks.yml
  - type: AsyncAPI
    url: asyncapi/bluestacks-payments-asyncapi.yml
  - type: ErrorCatalog
    url: errors/bluestacks-error-codes.yml
  - type: Sandbox
    url: sandbox/bluestacks-sandbox.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.bluestacks.com/
- type: DeveloperPortal
  url: https://docs.now.gg/
- type: Documentation
  url: https://docs.now.gg/get-ready/get-started
- type: APIReference
  url: https://docs.now.gg/user-account-service/api-reference
- type: GettingStarted
  url: https://docs.now.gg/get-ready/get-started
- type: Console
  url: https://studio.now.gg/
- type: SignUp
  url: https://docs.now.gg/nowstudio/create-a-developer-account
- type: Support
  url: https://support.bluestacks.com/hc/en-us
- type: Blog
  url: https://www.bluestacks.com/blog.html
- type: GitHubOrganization
  url: https://github.com/bluestacks
- type: GitHubOrganization
  name: now.gg
  url: https://github.com/now-gg
- type: TermsOfService
  url: https://now.gg/terms-and-privacy.html#terms
- type: PrivacyPolicy
  url: https://now.gg/terms-and-privacy.html#eu-privacy
- type: Packages
  url: packages/bluestacks-packages.yml
- type: SDKs
  url: packages/bluestacks-packages.yml
- type: CLI
  url: cli/bluestacks-cli.yml
- type: Components
  url: components/bluestacks-components.yml
- type: Sandbox
  url: sandbox/bluestacks-sandbox.yml
- type: Authentication
  url: authentication/bluestacks-authentication.yml
- type: OAuthScopes
  url: scopes/bluestacks-scopes.yml
- type: Conventions
  url: conventions/bluestacks-conventions.yml
- type: ErrorCatalog
  url: errors/bluestacks-error-codes.yml
- type: Lifecycle
  url: lifecycle/bluestacks-lifecycle.yml
- type: Conformance
  url: conformance/bluestacks-conformance.yml
- type: WellKnown
  url: well-known/bluestacks-well-known.yml
- type: SecurityTxt
  url: well-known/bluestacks-security.txt
- type: VulnerabilityDisclosure
  url: security/bluestacks-vulnerability-disclosure.yml
- type: Security
  url: security/bluestacks-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/bluestacks-domain-security.yml
- type: LLMsTxt
  url: llms/bluestacks-llms.txt
- type: Webhooks
  url: asyncapi/bluestacks-payments-webhooks.yml
- type: AsyncAPI
  url: asyncapi/bluestacks-payments-asyncapi.yml
x-contract-discovery:
  checked: '2026-08-08'
  result: no-machine-readable-spec
  detail: now.gg documents four server-side REST operations on now.gg and three on payments-api.now.gg in prose at docs.now.gg,
    plus two outbound webhook contracts, but publishes no OpenAPI, Swagger, AsyncAPI, GraphQL SDL, JSON Schema or first-party
    Postman collection anywhere. Probed every base host, the docs host and both GitHub orgs.
  probes:
  - url: https://payments-api.now.gg/openapi.json
    status: 200
    real: false
    note: soft-404 gateway envelope; control path returns the identical body
  - url: https://payments-api.now.gg/swagger.json
    status: 200
    real: false
    note: soft-404 gateway envelope
  - url: https://now.gg/openapi.json
    status: 404
  - url: https://docs.now.gg/openapi.json
    status: 405
  - url: https://www.bluestacks.com/openapi.json
    status: 404
  - url: https://payments-api.now.gg/.well-known/agent-card.json
    status: 200
    real: false
    note: soft-404 gateway envelope, not an AgentCard
  - url: https://now.gg/.well-known/agent-card.json
    status: 404
  - url: https://now.gg/mcp
    status: 200
    real: false
    note: HTML docs shell; tools/list POST returns no JSON-RPC
  github_code_search:
    query: org:bluestacks filename:openapi
    hits: 7
    first_party: 0
    note: all seven hits are AOSP third-party mirrors under external-*-a16 repos; org:now-gg returns 0
  found:
  - security.txt (payments-api.now.gg)
  - llms.txt (bluestacks.ai)
x-enrichment:
  date: '2026-08-08'
  status: enriched
  artifacts_added: 16
  pass: local-v1

Bluestacks API — frequently asked questions

Does Bluestacks have an API?

Yes. APIs.io lists 2 APIs from Bluestacks, including now.gg User Account Service API and now.gg Payments Server API.

How do I authenticate with the Bluestacks API?

Bluestacks uses bearer-token authentication (oauth2/http/apiKey · 5 schemes). The details are profiled on APIs.io as Bluestacks Authentication.

Is the Bluestacks API ready for AI agents?

Bluestacks has a Kin Score of 45.9 out of 100 (developing) and an Agent Readiness score of 22.7 (agent-aware), scored by API Evangelist on 2026-11-06.

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