Varjo

Varjo is a Helsinki-based maker of high-fidelity virtual and mixed reality headsets for professional training and simulation across air, land, and sea. Its platform centers on the XR-4 Series headsets and the Varjo Base companion software, with a developer surface built around a native C SDK (rendering, foveated rendering, mixed reality, eye and hand tracking, DataStream API), the Varjo XR Plugin for Unity, an OpenXR plugin for Unreal Engine, and WebXR support. Varjo ships its own Khronos OpenXR runtime and is a contributing member of the OpenXR working group.

Varjo is profiled on the APIs.io network. Tagged areas include Company, Virtual Reality, Mixed Reality, Extended Reality, and Headsets.

Varjo’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, changelog, and 13 more developer resources.

🌐 Visit website 📡 Source on GitHub
25.9/100 emerging ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyVirtual RealityMixed RealityExtended RealityHeadsetsTraining and SimulationEye TrackingOpenXR

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 25.9/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 9.6 / 20
Commercial Clarity 6.8 / 20
Operational Transparency 2.7 / 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/varjo: 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.

Varjo Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 Login
Login

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt
LLMsTxt

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Lifecycle
Lifecycle
 Conformance
Conformance

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 Packages
Packages
 SDKs
SDKs

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Operate 3

Status, limits, changes, and where to get help

Support
Support
 HelpCenter
HelpCenter
 ChangeLog
ChangeLog

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: varjo
name: Varjo
description: Varjo is a Helsinki-based maker of high-fidelity virtual and mixed reality headsets for professional training
  and simulation across air, land, and sea. Its platform centers on the XR-4 Series headsets and the Varjo Base companion
  software, with a developer surface built around a native C SDK (rendering, foveated rendering, mixed reality, eye and hand
  tracking, DataStream API), the Varjo XR Plugin for Unity, an OpenXR plugin for Unreal Engine, and WebXR support. Varjo ships
  its own Khronos OpenXR runtime and is a contributing member of the OpenXR working group.
url: https://raw.githubusercontent.com/api-evangelist/varjo/refs/heads/main/apis.yml
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://25667574.fs1.hubspotusercontent-eu1.net/hubfs/25667574/favicon_48_light-2.png
x-type: company
x-source: vc-portfolio
x-backed-by:
- eqt-ventures
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 7
  pass: local-v1
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Virtual Reality
- Mixed Reality
- Extended Reality
- Headsets
- Training and Simulation
- Eye Tracking
- OpenXR
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://varjo.com/
- type: DeveloperPortal
  url: https://developer.varjo.com/
- type: Documentation
  url: https://developer.varjo.com/
- type: APIReference
  url: https://developer.varjo.com/docs/apidocs/apidocs
- type: GettingStarted
  url: https://developer.varjo.com/docs/get-started/get-started
- type: Support
  url: https://developer.varjo.com/support.html
- type: HelpCenter
  url: https://support.varjo.com/hc/en-us
- type: Blog
  url: https://varjo.com/blog/
- type: GitHubOrganization
  url: https://github.com/varjocom
- type: TermsOfService
  url: https://varjo.com/terms-of-service/
- type: PrivacyPolicy
  url: https://varjo.com/privacy-policy/
- type: Login
  url: https://account.varjo.com/
- type: LLMsTxt
  url: llms/varjo-llms.txt
- type: Packages
  url: packages/varjo-packages.yml
- type: SDKs
  url: packages/varjo-packages.yml
- type: ChangeLog
  url: changelog/varjo-changelog.yml
- type: Lifecycle
  url: lifecycle/varjo-lifecycle.yml
- type: Conformance
  url: conformance/varjo-conformance.yml
- type: DomainSecurity
  url: security/varjo-domain-security.yml