Danger

Danger, Inc. was a Palo Alto, California mobile computing company founded on December 9, 1999 by Andy Rubin, Joe Britt, and Matt Hershenson, all former Apple, WebTV, and Philips engineers. Danger built the Danger Hiptop, sold in the United States as the T-Mobile Sidekick, an early client-server ("cloud") smartphone whose downloadable application catalog prefigured the app stores later shipped by Android and iOS. Andy Rubin left Danger in 2003 to found Android. Microsoft acquired Danger on February 11, 2008 for a price reported at roughly $500 million and folded the team into "Project Pink," which shipped as the short-lived Microsoft Kin. Most former Danger staff had left Microsoft by October 2009 and the company was wound down by approximately 2011. Danger was surfaced in the API Evangelist network as a historic Redpoint Ventures portfolio holding. It is defunct: the danger.com domain no longer resolves and there is no developer portal, documentation, or API surface to catalog.

Danger is profiled on the APIs.io network. Tagged areas include Company, Defunct, Mobile, Smartphones, and Consumer Electronics.

🌐 Visit website 📡 Source on GitHub

5.0/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-08-21 · rubric v0.12.0

0 APIs

Company Defunct Mobile Smartphones Consumer Electronics AcquiredRedpoint Ventures

Kin Score

Kin Score How this is scored →
scored 2026-08-21 · rubric v0.12.0

Composite quality — 5.0/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 0.0 / 20

Access Clarity 0.0 / 20

Operational Transparency 0.0 / 13

Contract Governance 0.0 / 12

Discoverability 5.0 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

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

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

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/danger: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Source (apis.yml)

aid: danger
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://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/danger.png
name: Danger
description: 'Danger, Inc. was a Palo Alto, California mobile computing company founded on December 9, 1999 by Andy Rubin,
  Joe Britt, and Matt Hershenson, all former Apple, WebTV, and Philips engineers. Danger built the Danger Hiptop, sold in
  the United States as the T-Mobile Sidekick, an early client-server ("cloud") smartphone whose downloadable application catalog
  prefigured the app stores later shipped by Android and iOS. Andy Rubin left Danger in 2003 to found Android. Microsoft acquired
  Danger on February 11, 2008 for a price reported at roughly $500 million and folded the team into "Project Pink," which
  shipped as the short-lived Microsoft Kin. Most former Danger staff had left Microsoft by October 2009 and the company was
  wound down by approximately 2011. Danger was surfaced in the API Evangelist network as a historic Redpoint Ventures portfolio
  holding. It is defunct: the danger.com domain no longer resolves and there is no developer portal, documentation, or API
  surface to catalog.'
url: https://raw.githubusercontent.com/api-evangelist/danger/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- redpoint-ventures
x-tier: stub
x-tier-reason: portfolio-lead
x-status: defunct
x-defunct:
  founded: '1999-12-09'
  acquired_by: Microsoft
  acquired_date: '2008-02-11'
  wound_down: '2011'
  domain: danger.com
  domain_status: NXDOMAIN
  evidence:
  - source: https://en.wikipedia.org/wiki/Danger_Inc.
    kind: encyclopedia
    note: founding, products, Microsoft acquisition, wind-down
  - source: dig A danger.com
    kind: dns-probe
    note: no A record; domain does not resolve
  note: 'Unrelated live namesakes checked and excluded: danger.co (parked GoDaddy for-sale page), danger.systems (open-source
    Danger CI code-review bot, not VC-backed).'
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Defunct
- Mobile
- Smartphones
- Consumer Electronics
- Acquired
- Redpoint Ventures
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-enrichment:
  date: '2026-07-20'
  status: nochange
  artifacts_added: 0
  pass: local-v1

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