Transphorm

Transphorm was a GaN (gallium nitride) power-semiconductor company based in Goleta, California, known for its GaN-on-Si cascode FET technology used in power supplies, fast chargers, motor drives, solar inverters, and EV charging. It was acquired by Renesas Electronics in June 2024, and transphormusa.com now redirects to the Renesas GaN power-discretes product line. Transphorm publishes no public web API surface.

Transphorm is profiled on the APIs.io network. Tagged areas include Company, Frontier Tech, Semiconductors, Gallium Nitride, and Power Electronics.

6.8/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyFrontier TechSemiconductorsGallium NitridePower ElectronicsHardwareRenesas

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 6.8/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 0.0 / 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/transphorm: 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.

Transphorm Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Access & Security 1

Authentication, authorization, and security posture

Company 1

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: transphorm
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/transphorm.png
name: Transphorm
description: Transphorm was a GaN (gallium nitride) power-semiconductor company based in Goleta, California, known for its
  GaN-on-Si cascode FET technology used in power supplies, fast chargers, motor drives, solar inverters, and EV charging.
  It was acquired by Renesas Electronics in June 2024, and transphormusa.com now redirects to the Renesas GaN power-discretes
  product line. Transphorm publishes no public web API surface.
url: https://raw.githubusercontent.com/api-evangelist/transphorm/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- gv
- lux-capital
x-tier: stub
x-tier-reason: portfolio-lead
x-status: acquired
x-acquired-by: renesas
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Frontier Tech
- Semiconductors
- Gallium Nitride
- Power Electronics
- Hardware
- Renesas
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.transphormusa.com
- type: DomainSecurity
  url: security/transphorm-domain-security.yml
- type: LLMsTxt
  url: llms/transphorm-llms.txt
x-enrichment:
  date: '2026-07-21'
  status: minimal
  artifacts_added: 3
  pass: local-v1