Harmonix website screenshot

Harmonix

Harmonix Music Systems is one of the world's leading independent game development studios, best known for creating blockbuster music and rhythm franchises including Rock Band and Dance Central, alongside titles such as Amplitude, Fuser, DropMix, Audica, Super Beat Sports, and Harmonix Music VR. Founded in 1995 and based in Cambridge, Massachusetts, the studio was acquired by Epic Games in 2021 and continues to invent the future of music and motion gaming. Harmonix operates a consumer-facing web presence (games, music, community, blog, and press) and publishes no public developer API, SDK, or documentation surface at this time.

Harmonix is profiled on the APIs.io network. Tagged areas include Company, Gaming, Music Games, Rhythm Games, and Video Games.

Harmonix’s developer surface includes engineering blog and 4 more developer resources.

🌐 Visit website 📡 Source on GitHub
11.4/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyGamingMusic GamesRhythm GamesVideo GamesGame DevelopmentEntertainment

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 11.4/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.4 / 20
Commercial Clarity 4.2 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 6.8 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/harmonix: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

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

Harmonix Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

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)

apis.yml Raw ↑ 
aid: harmonix
name: Harmonix
description: Harmonix Music Systems is one of the world's leading independent game development studios, best known for creating
  blockbuster music and rhythm franchises including Rock Band and Dance Central, alongside titles such as Amplitude, Fuser,
  DropMix, Audica, Super Beat Sports, and Harmonix Music VR. Founded in 1995 and based in Cambridge, Massachusetts, the studio
  was acquired by Epic Games in 2021 and continues to invent the future of music and motion gaming. Harmonix operates a consumer-facing
  web presence (games, music, community, blog, and press) and publishes no public developer API, SDK, or documentation surface
  at this time.
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://www.harmonixmusic.com/static/img/hmx-ball.png
url: https://raw.githubusercontent.com/api-evangelist/harmonix/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- foundry-group
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Gaming
- Music Games
- Rhythm Games
- Video Games
- Game Development
- Entertainment
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/harmonix-domain-security.yml
- type: Website
  url: https://www.harmonixmusic.com
- type: Blog
  url: https://www.harmonixmusic.com/blog
- type: TermsOfService
  url: https://www.harmonixmusic.com/terms
- type: PrivacyPolicy
  url: https://www.harmonixmusic.com/privacy
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence