Klang Games website screenshot

Klang Games

Klang Games is an entertainment and game development studio headquartered in Berlin, founded in 2013 by three Icelandic co-founders — Mundi Vondi (CEO), Oddur Snær Magnússon (CTO) and Ívar Emilsson (CCO) — several of whom came out of CCP and EVE Online. Its flagship product is SEED, a persistent large-scale MMO society simulator built on Google Cloud, backed by investors including Animoca Brands, Supercell, LEGO Ventures, Anthos Capital, Kingway Capital and Northzone. Klang publishes no developer platform: there is no API documentation, no SDKs and no partner program. The only publicly discoverable machine interface is the OpenID Connect provider behind SEED player accounts, captured in this repo from its discovery documents.

Klang Games publishes 1 API on the APIs.io network. Tagged areas include Company, Consumer, Gaming, Game Development, and MMO.

Klang Games’ developer surface includes engineering blog, support, signup flow, authentication, and 13 more developer resources.

22.3/100 emerging ▬ flat Agent 14/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
1 APIs
CompanyConsumerGamingGame DevelopmentMMOSimulationEntertainmentIdentityOpenID ConnectBerlin

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 22.3/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 3.5 / 20
Commercial Clarity 6.8 / 20
Operational Transparency 2.7 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 14/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 10 / 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 4 / 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/klang: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

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

SEED Identity (OpenID Connect)

The OpenID Connect and OAuth 2.0 provider behind SEED player accounts. Klang publishes no documentation for it; this entry is recorded from the public discovery documents at see...

Security Posture 2

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

Klang Authentication

oauth2/openIdConnect · 2 schemes

SECURITY

Klang Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Klang Scopes

5 scopes · authorizationCode/deviceCode

5 scopes

SCOPES

Resources

Get Started 2

Portal, sign-up, and the first successful call

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 3

Authentication, authorization, and security posture

Operate 2

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: klang
name: Klang Games
description: 'Klang Games is an entertainment and game development studio headquartered in Berlin, founded in 2013 by three
  Icelandic co-founders — Mundi Vondi (CEO), Oddur Snær Magnússon (CTO) and Ívar Emilsson (CCO) — several of whom came out
  of CCP and EVE Online. Its flagship product is SEED, a persistent large-scale MMO society simulator built on Google Cloud,
  backed by investors including Animoca Brands, Supercell, LEGO Ventures, Anthos Capital, Kingway Capital and Northzone. Klang
  publishes no developer platform: there is no API documentation, no SDKs and no partner program. The only publicly discoverable
  machine interface is the OpenID Connect provider behind SEED player accounts, captured in this repo from its discovery documents.'
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://images.ctfassets.net/a9xx8dr17bmr/5223oQiDQ5KEJejerjCXXU/52485195787ac411bfc206caab898ea5/Huge-new-MMO-is-Sims-4-Stardew-Valley-and-Star-Citizen-all-in-one-1536x864.jpeg
url: https://raw.githubusercontent.com/api-evangelist/klang/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- northzone
x-tier: profiled
x-tier-reason: no-developer-platform-oidc-only
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Consumer
- Gaming
- Game Development
- MMO
- Simulation
- Entertainment
- Identity
- OpenID Connect
- Berlin
apis:
- aid: klang:seed-identity
  name: SEED Identity (OpenID Connect)
  description: The OpenID Connect and OAuth 2.0 provider behind SEED player accounts. Klang publishes no documentation for
    it; this entry is recorded from the public discovery documents at seed.game and login.seed.game, which advertise authorization,
    token, device-authorization, userinfo, logout and JWKS endpoints with the standard OIDC scope set. Identified as a FusionAuth
    deployment from its endpoint shape and its applicationId/authenticationType claims.
  humanURL: https://seed.game/login
  baseURL: https://login.seed.game/oauth2
  tags:
  - Identity
  - OpenID Connect
  - OAuth
  - Authentication
  properties:
  - type: OpenIDConnect
    url: https://seed.game/.well-known/openid-configuration
  - type: Authentication
    url: authentication/klang-authentication.yml
  - type: OAuthScopes
    url: scopes/klang-scopes.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.klang-games.com/
- type: About
  url: https://www.klang-games.com/about
- type: Blog
  url: https://www.klang-games.com/news
- type: GitHubOrganization
  url: https://github.com/klanggames
- type: Support
  url: https://klang-games.eu.theymes.com/hc/en/seed
- type: SignUp
  url: https://seed.game/signup
- type: Login
  url: https://seed.game/login
- type: TermsOfService
  url: https://seed.game/legal/terms-of-use
- type: PrivacyPolicy
  url: https://seed.game/legal/privacy-policy
- type: StatusPage
  url: https://status.seed.game/
- type: Lifecycle
  url: lifecycle/klang-lifecycle.yml
- type: Authentication
  url: authentication/klang-authentication.yml
- type: OAuthScopes
  url: scopes/klang-scopes.yml
- type: WellKnown
  url: well-known/klang-well-known.yml
- type: Conformance
  url: conformance/klang-conformance.yml
- type: DomainSecurity
  url: security/klang-domain-security.yml
- type: LLMsTxt
  url: llms/klang-llms.txt
x-enrichment:
  date: '2026-07-20'
  status: nochange
  artifacts_added: 0
  pass: local-v1